SCHOMBURGK's GiriANA PLANTS. 249 



acuta V. acuminata, I — 3 poll, longa, fiiembranacea, subtus 

 tomento vix conspicuo rufescentia, tactu mollia. Pedicelli 

 crassiusculi, 2 — 3 I'm. longi. Bracteie parvae. Calyx tubo 

 brevissimo, laciniis l\ lin. longis. Coroll* tubus 3 lin., 

 faux fere H poll, longa, limbi laciniye latas. Stamina in 

 fundo faucis. Pilse ad insertionem staminum. Foliiculi 

 maturi 4 poll, lougi, apice liberi. — British Guiana, Schom- 

 biirgk, n. 329. 



567. E. nitida, Vahl, Ecl.n. 19. t. 13.— French Guiana, 

 Leprieur, Herb. Par. n. 146. — This and the two following 

 species are remarkable for the peculiar and elegant venation 

 of the leaves. 



568. E. elegans (sp. n.) ; volubilis, glaberrima, foliis ovali- 

 oblongis acutissime acuminatis basi rotundatis tenuiter cori- 

 aceis nitidis eleganter venosis,pedunculis laxe racemosis pauci- 

 floris, laciniis calycinis obtusis corolla subinfundibuliformi 

 glabra. — Folia circa 3 poll, longa, venis transversalibus inter 

 nervos obliquis integris bifidisve raro anastomosantibus. Pe- 

 dunculi oppositi, tortuosi, 3 — 6-flori. Bractese parvae. Pedi- 

 celli 8 — 9 lin. longi, solitarii v. bini. Corollae tubus ultra 

 poUicaris, in faucem breveni superne ampliatus, intus ad 

 insertionem staminum nudus ; limbi lacinise amplae, tubo 

 breviores. Stamina medio tubo inserta, inclusa. — Ab E. 

 nitida differt foliorum forma, floribus paucioribus, tubo 

 corollae infra faucem longiore. — A twiner, hanging in fes- 

 toons from the tops of the highest trees on the banks of the 

 Rio Negro. Flowers yellow, red in ihe centre, Schombnrgk, 

 n. 965. 



569. E. coriacea (sp. n.); volubilis, glaberrima, foliis ovali- 

 oblongis obtusis v. brevissime acuminatis basi obtusis coria- 

 ceis nitidis eleganter venosis, pedunculis laxe racemosis pauci- 

 floris, laciniis calycinis obtusis, corolla subinfundibuliformi 

 glabra. — Praecedenti similis, sed folia multo crassiora, venis 

 minus prominentibus, pedunculi et pedicelli crassiores, flores 

 minores, corollas tubus vix pollicaris. — Pirara, British Guiana, 

 Schotnbiirgky n. 738. 



570. E. tubulosa (sp. n.) ; volubilis, glabra, foliis ovatis v. 

 ovali-oblongis acuminatis basi subcordatis supra nitidulis, 



Vol. III.— No. 21. ^K 



