214 schomburgk's guiana plants. 



na, Leprieur. — Gardner's n. 459 from the Organ Mountains 

 is Coccocypselum nnmmularicBfolium, Ch. et. Schl. 



Tribe, CiNCHoNEiE. 



451. Cinchona RoraimcBi (sp. n.) ; foliis amphs ovali-ellip- 

 ticis basi cuneatis crassis supra glabris, subtus ramis panicu- 

 laque oblonga dense rufo-pubescentibus, calycis hmbo 5- 

 dentato, coroUae crasscC extus hispidse laciniis limbi intus 

 glabriusculis. — C. macrocarp(s, Vahl. similis, sed in hac folia 

 basi truncata, corolla crassior tubo par urn breviore adpresse 

 pubescente nee hispido, limbi laciniae latiores. Folia in C. 

 RoraimtE fere pedalia. Panicula plusquam sex poll, longa, 

 parum ramosa, axi sub ramificationibus compressa. Bracteas 

 ovato-lanceolatas decidual. Calycis denies breves, lanceolatae, 

 acutae. Corolla pollicaris vel parum longior, alba, odoratis- 

 sima, laciniis crassis oblongis. — A single specimen from among 

 undershrubs in the Roraima mountains at an elevation of 

 about 4000 feet, Schombio-gk. 



452. Remijia tor?<//7o/'a, (sp. n.) ; ramulis compressis pedun- 

 culisque leviter tomentosis v. demuni glabratis, foliis ovali v. 

 oblongo-ellipticis vix coriaceis glabris, racemis interruptis 

 folio brevioribus v. parum longioribus, cymis inferiori- 

 bus remotis pedicellatis, floribus pentameris, corollas tubo 

 calyce pluries longiore. — Frutex habitu Remijiis australibus 

 simillimus. Folia 4.-6-pollicaria, acuta v. obtusiuscula, basi 

 cuneata. Stipulae foliacese, lanceolatae, deciduaj. Pedunculi 

 et pedicelli compressi, apice uti flores et bractete tomento 

 bx'evi canescentes. Flores in cymis subsessiles. Bractese 

 lanceolata?, acutae. Calycis limbi laciniae parum inaequales, 

 acutissimae, post anthesin auctae. Corolla gracilis, alba, tubo 

 6-7 lin. longo, laciniis linearibus crassiusculis 4-5 lin.longis, 

 eestivatione valvata. Antherse medio tubo subsessiles. Stylus 

 filiformis, lobis linearibus crassiuscule stigmatiferis, capsula 

 oblonga, 7 lin. longa, septicide dehiscens, valvulis integris. 

 Placentae lineares, crassae. Semina pauca, placentae appressa 

 V. subimmersa, peltata, utrinque in alam oblongam mem- 

 branaceam producta. — Barcellos on the Rio Negro, Schom- 

 burgk, n. 953. 



