418 



junioribus sparse pilosis, senioribus fere glabris, _ internodiis 

 10-13 cm. longis. Folia elliptico-ovata vel elliptico-obovata, 

 apice acuminata, basi acuta vel subrotundata, usque ad 8 cm. 

 longa et 4'T cm. lata, costa et nervis lateralibus pagina utraque 

 prominentibus, nervis lateralibus utrinque 6-8, ad margineni 

 anastomosantibus, pagina superiore sparsissime pilosa inferior© 

 sparse sed ad nervos saepe densius adpresse pilosa; petiolus 

 1—15 cm. longus, sparse adpresse kirsutus tenuis. Flores 

 in foliorum axillis solitarii; pedicelli 5-7 cm. longi, ad- 

 presse pilosi, tenues; bracteolae oblongo-ovatae, 2*2 cm. longae, 

 1-1 cm. latae, apice sensim mucronato-acuminatae, basi rotun- 

 da tae, extra sparse adpresse liirsutae, intra glabrae, usque ad 

 apice fere margine agglutinatae. Calyx annularis, brevis, 

 glaber. Corolla glabra. Antherae glandulosae ; pollinis granula 

 32-48 fi diametro. Ovarium glabrum; stylus apice breviter 

 bifidus, glaber. Fructus obovatus, 2 cm. longus, 14 cm. dia- 

 metro, glaber, nigro-purpureus (ex Spruce). . 



Brazil. Amazonas : Bio Negro; near Sao Gabriel da 



Cachoeira, Spruce 2332. 



This species is very closely relatel to Mendoncia asper& s Nees, 

 and may be only a variety of it. 



13, Mendoncia gracilis, Turrill, sp. nov. 



Frutex volubilia, caulibus gracilibus subquadrangularibus 

 hirsutis. Folia elliptica vel oblongo-elliptica, apice argutiss ime 

 attenuato-acuminata, basi angustata, usque ad 8'3 cm. longa et 

 4 cm. lata, nervis lateralibus utrinque circiter 4 marginem versus 

 sursum curvatis cum costa pagina utraque prom men tibus, supra 

 pilis e basi stellata orient ibus instructa infra pilis e basi dilatata 

 orientibus praedita vel nervis hirsutis exceptis glabrescentia ; 

 petiolus To cm. longus, hirsutus. Flores 1-2 in foliorum axillis: 

 pedicelli usque ad 4 cm. longi, adpresse Kirsuti; bracteolae 

 oldoiigo-ellipticae, apice obtusae vel rotundatae, apiculatae, basi 

 iiotundatae, 1*5 em. longae, 1 cm. latae, extra hand dense 

 hirsutae, intus glabrae. Calyx brevissimus, annularis, glaber. 

 Caroliu 2*5 cm. longa, extra glabra, tubo basi 2*G mm. diametro, 

 fauce 4*6 mm. diametro. Stamina fere sessilin, antherae 

 circiter 7 mm. longae, thecis basi inaequalibus ; pollinis granula 

 38 //. diametro. Discus cupula ris, carnosus, 1 nun. altus, glaber. 

 Ovarium ellipsoideo-ovoideum, lenticulari-eornpressum, 2 mm. 

 altum, basi 2 mm. diametro, glabrum; stylus 1*6 cm. longus, 



laber. Fructus ellipsoideo-ohovoideus, leviter compressor, 





apice apiculatus, 1*4 cm. longus, 8 mm. diametro, glaber. 



Colombia. Dept. Cundinamarea : Rio Negro: Mesa Grande, 



1200-1300 m ? Lehmann 8792. 



An unlocalized and unnumbered specimen collected in Colombia 

 by J. Triana is probably this species, though the braoteoles are 

 somewhat larger. Neither flowers nor fruits are present. 



14. Mendoncia costaricana, Qrst. in Vidensk. Meddel., 1854, 

 p. 113. 



Suffrutex volubilis, ramis subtetragonis adpresse hirsute 

 demum plus minusve glabratis. Folia petiolata, elliptica, apice 



