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Journal American Rhododendron Society

Current Editor:
Dr. Glen Jamieson ars.editor@gmail.com


Volume 30, Number 3
Summer 1976

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J. F. Rock Rhododendrons - 1929 Expedition
by Col. and Mrs. R. H. Goodrich, Vienna, VA

        The following is a correlation of U.S. Dept. of Agriculture Plant Introduction Numbers, Rock Field Numbers, U.S. Dept. of Agriculture Plant Quarantine Numbers, and identification of the species. The Royal Horticultural Society Rhododendron Handbook, Part One, Species (1967) uses the USDA Plant Quarantine Numbers. An asterisk indicates the R. H. S had no listing of the species. In these cases, field notes are quoted. Personal notebooks of the late Joseph B. Gable of Stewartstown, Pa., were also used in this correlation. P. I.84174 (R.18442) identification is from Mr. Gable's notes. P. I. 84165 (R.18433) identification is from RHS 1972 Rhododendron Yearbook.
        We are indebted to Dr. August E. Kehr of the U.S. Dept. of Agriculture and President of the American Rhododendron Society, for his aid and encouragement in this project, and to Mr. Howard Hyland of the U.S. Dept. of Agriculture Plant Introduction Division and his staff for assistance in locating data.

Correlation of Rhododendron Seed Lot Numbers
J. F. Rock 1929 Expedition
 
U. S. D. A.
Plant Introduction
Numbers
Rock Numbers U. S. D. A.
Plant
Quarantine No.
/R. H. S No.
Species or description
84051 18119 03745 rubiginosum, aff.
84052 18125    
84053 18138 03791 dryophyllum
84054 18139 03788 vernicosum, aff.
84055 18140 03738  
84056 18141 03790 dryophyllum
84057 18142 03749 irroratum series
84058 18143 03741  
84059 18144 03757 intricatum
84060 18149 03789 beesianum
84061 18150 03758 lacteum series
84062 18152 03751 schizopeplum aff.
84063 18153 03761 balfourianum var. aganniphoides
84064 18155 03763 roxieanum
84065 18156 03760 balfourianum var. aganniphoides
84066 18157 03792 roxieanum
84067 18158 03750 balfourianum var. aganniphoides
84068 18159 03799 dryophyllum
84069 18160 03752 balfourianum var. aganniphoides
84070 18161 03764 globigerum
84071 18162 03794 adenogynum
84072 18163 03762 shrub 1', deep reddish purple to purplish-blue fls, Mt. Siga, 15,500 ft.
84073 18164 03756 adenogynum
84074 18168 03983 dryophyllum
84075 18169 03832 irroratum series, parishii subseries
84076 18170 03831 balfourianum var. aganniphoides
84077 18171 03990 dryophyllum
84078 18172 03842 6-8', thick brown leaves, wooly beneath, white fls, alpine region in mts. of Kulu, 15,000 ft.
84079 18173 03845 adenogynum
84080 18174 03834 globigerum, aff.
84081 18175 03841 6-8', pink fls., alpine regions of Kulu mts., 15,000 ft.
84082 18176 03833 globigerum
84083 18177 03746 4-5', pink fls., forests, Kulu mts, 14,500 ft.
84084 18178 03985 sphaeroblastum
84085 18179 03830 dryophyllum
84086 18180 03991 sphaeroblastum
84087 18181 03836 2', white fls, mts. of Kulu, 14,500 ft.
84088 18182 03835 sphaeroblastum
84089 18185 03988 sphaeroblastum
84090 18186 03828 globigerum
84091 18187 03829 chryseum, aff.
84092 18189 03987 rubiginosum
84093 18222 03838 intricatum
84094 18223 03839 litangense
84095 18224 03844 lapponicum series, dk. blue
84096 18226 03840 barbatum series
84097 18227 03984 wardii
84098 18228 03837 barbatum series
84099 18234 03800 rex
84100 18275 03989 racemosum
84101 18277 03843 4-5', pink fls, alpine regions of Kulumts, 15,000 ft.
84102 18281 03986 Small tree 15', pink fls, leaves silvery beneath. North of Tokesher in the Yangtze loop, 11,000 ft.
84103 18331 03847 sinogrande
84104 18332 03848 wardii
84105 18333 03849 wardii
84106 18336 03852 arizelum
84107 18337 03853 arizelum
84108 18338 03854 basilicum
84109 18339 03855 fulvum
84110 18341 03857 megeratum
84111 18350 03850 stewartianum
84112 18351 03851 8-10', blue fls, Mt. Fuchuan, on Mekong-Salween divide, alpine regions, 13,000 ft.
84113 18352 03861 aperanthum
84114 18353 03862 panteumorphum (telopeum)
84115 18354 03863 aperantum
84116 18355 03864 chaetomallum aff.
84117 18356 03865 chaetomallum aff.
84118 18357 03866 chaetomallum aff.
84119 18359 03868 chaetomallum aff.
84120 18365 03784 dichroanthum
84121 18366 03875 roxieanum aff.
84122 18367 03876 achroanthum
84123 18369 03878 6-8', yellow fls, Mt. Fuchuan, Mekong-Salween divide, alpine region, 13,000 ft.
84124 18373 03881 panteumorphum (telopeum)
84125 18375 03883 stewartianum
84126 18376 03884 stewartianum
84127 18377 03885 stewartianum
84128 18378 03886 stewartianum
84129 18379 03887 aperantum aff.
84130 18380 03888 2-3', purple fls, Mt. Fuchuan, alpine regions, 14,500 ft.
84131 18381 03889 1-3', purple fls, Mt. Fuchuan, alpine regions, 14,000 ft.
84132 18382 03890 chaetomallum
84133 18383 03891 panteumorphum (telopeum)
84134 18384 03892 rubiginosum
84135 18385 03893 coriaceum
84136 18386 03894 glischrum
84137 18387 03895 glischrum
84138 18388 03896 trichocladum
84139 18389 03897 chaetomallum
84140 18390 03898 basilicum
84141 18391 03899 basilicum
84142 18395 03902 sulfureum
84143 18396 03903 basilicum
84144 18397 03904 basilicum
84145 18399 03905 6-8', very large white fls, large ovate-oblong leaves greyish-black beneath, prominent veins. Mt. Sitsa, w. of Mekong R., forest slope, 10,000 ft.
84146 18400 03906 Same location; 6-10', white fls, rich green elliptical leaves, grey beneath. Forests, 10,000 ft.
84147 18402 03908 crinigerum
84148 18403 03909 Same location; 25', red fls, elliptical leaves
84149 18404 03910 crassum
84150 18405 03911 Same location; 5-8', yellow fls, suborbicular, thin glabrous leaves.
84151 18406 03912 chaetomallum aff.
84152 18407 03913 coriaceum
84153 18408 03914 tephropeplum
84154 18409 03915 xanthostephanum
84155 18410 03916 triflorum series. White
84156 18411 03917 triflorum series. White
84157 18412 03918 Same location; 3-4', small lanceolate leaves, grey beneath, white fls.
84158 18413 03919 tephropeplum
84159 18415 03920 eclecteum
84160 18416 03921 eclecteum
84161 18418 03923 triflorum series. Pink
84162 18420 03925 Same location; Small tree 10-12', red fls, leaves, petioles, and peduncles with red hairs. Forests 12,000 ft.
84163 18421 03926 martinianum
84164 18424 03929 Same location; 2-4', large white fls, leathery leaves, wooly beneath, veins deeply impressed, brown wooly calyc. Often epiphytic, fir trees, 12,000 ft.
84165 18433 03935 rothschildii, Davidian, sp. nov.
84166 18434 03936 (RHS misprint) crassum
84167 18435 03937 roxieanum
84168 18436 03938 4-6', pale yellow fls, elliptic leaves, densely dark rufus tomentose, Mt. Tapao, between Weihsi and Mekong, 13,500 ft.
84169 18437 03939 dictyotum
84170 18438 03940 dictyotum
84171 18439 03941 traillianum
84172 18440 03942 beesianum
84173 18441 03943 dictyotum
84174 18442 03944 achroanthum
84175 18443 03945 beesianum
84176 18444 03946 dictyotum
84177 18445 03993 beesianum
84178 18446 03947 clementinae
84179 18447 03948 fictolacteum
84180 18448 03949 clementinae
84181 18449 03950 glischrum
84182 18450 03951 chameunum
84183 18451 03952 Same location; 15-20', large white fls, large oblong-obovate leaves, rich brown tomentum beneath. Forest, 12,500 ft.
84184 18452 03953 Same location; 25', large purplish-red fls, large oblong leaves, rufous tomentum beneath. Forest, 12,500 ft.
84185 18453 03954 calostrotum (riparium)
84186 18454 03955 calostrotum
84187 18455 03956 wardii
84188 18456 03957 8-10', purple fls, small oval glabrous leaves, acute at both ends. Mt. Hung-Myai,' n. of Litiping, Yangtze-Mekong
84189 18457 03958 divide. Forest, 11,000 ft. Same location; 5-8', small pale blue fls, small elliptical glabrous lvs Forests, 11,500 ft.
84190 18458 03959 lapponicum series. Blue
84191 18459 03960 fictolacteum
84192 18460 03961 lapponicum ser. Pale blue
84193 18462 03963 cuneatum
84194 18463 03964 sanguineum aff.
84195 18464 03965 sanguineum aff.
84196 18465 03966 floccigerum
84197 18466 03967 floccigerum
84198 18467 03968 floccigerum
84199 18468 03969 floccigerum
84200 18469 03970 floccigerum (parent of Gable's 'Atroflo')
84201 18471 03972 leptothrium
84202 18473 03974 leptothrium
84203 18474 03975 Tree 18-20', oblong-obovate lvs, brown to fawn colored flocculose. Mt. Sitsa, western slopes of Salween valley, 14,000 ft.
84204 18475 03976 Same location; Shrub 5-6', dark green leaves which are glaucous.
84205 18476 03977 ciliicalyx aff.
84206 18447 03978 Same location; Tree 10-15", oblong acute lvs, dull dark green above, dull brown beneath.
84207   04012 Tree 10", pale pink fls, glabrous lvs, Likiang snow range, nw Yunnan
84208   04020 Same location; 8-10', white fls 1" long, small elliptic lvs. Spruce forest, 11,500 ft.
84029   04021 Same location; 3-4', large pink fls, thick leathery lvs, brown beneath. 14,500 ft.
84210   04022 Same location; 2-3", blue fls, very small lvs; cliff,
13,000 ft.
84212   04082 10', resembling R. heliolepis, purple fls, small dark green lvs on  bright red petioles. Mt. slope 13,000 ft.
84213   04083 Same location; 2-4', very large purplish-blue fls, elliptical lvs. Glacier stream.
84214   04084 Same location; 15", large pink fls, glabrous lvs; gorges between 11-15,000 ft.
84215   04085 Same location; 4-6', rather large white fls, tinged pink.
84211   04023 Same location; 6-12', pink fls, glabrous lvs, pale beneath. Fir forests, 12,500 ft.


Volume 30, Number 3
Summer 1976

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