Plate 2571. 



HEVEA BENTHAMIANA, Muell. Arg. 



El7PH0RBIACE<E. 



H. benthamiana, Muell. Arg. in Linncea, xxxiv. p. 204 ; ad H. dis- 

 colorem arete accedit, recedit foliis floribusque ferrugineo-pubescentibus, 

 alabastris acutis, seniinibus ovoideis. 



Arbor 20-pedalis, ramulis floriferis crassiusculis. Folia longepetiolata, 

 petiolo gracih terete usque ad 6 poll, longo ; foliola discoloria, distincte 

 petiolulata, vix coriacea, oblongo-ovata, 3-6 poll, longa, breviter 

 acuminata vel mterdum rotundata, supra glabra, nitida, subtus pallida, 

 plus minusve ferrugineo-pubescentia, venis primariis lateralibus 

 utrinque circiter 12. Panicuhv numerosfe, angustse, folia sequantes vel 

 breviores, ramulis gracillimis. Flores parvi vel minuti (bene evoluti 

 non visi), brevissime pedicellati. Perianthii segmenta acuminata. 

 Stamtna 10, antheris biseriatis, seriebusapproximatis, colunma centrali 

 supra antheras breviter producta. Semina ovoidea, maculata, 9-1 2 lin. 



longa. 



North Brazil : Uaupes River, Spruce, 2560. Venezuela : culti- 

 vated, Bovallius. 



Mueller Arg. (Fl. Bras. xi. 2, p. 301) quotes Spruce's 3326 under this 

 species but the specimens are so very young that it is impossible to 

 reter them with certainty. The cultivated specimens from Venezuela 

 consist ot mature leaves and ripe seeds ; the former, having been sent 

 in alcohol, are blanched and have a somewhat different appearance 

 It is possible, however, that this identification may prove erroneous 

 The specimens were sent as //. brasilunsis, which they certainlv are 

 not.— W. Bottixg Hemsley. 



Fig 1, portion of the under surface of a leaf; 2, flower-buds, the terminal female, 

 the lateral male ; 3, a male flower, with the perianth laid open ; 4, andr<Ecium ; 5 

 a femak flower, part of the perianth removed ; 6, vertical section of ovary. All 



