180 ' STIRPES EXOTICÆ NOVÆ#, 
hA. QUARARIBEA MARTINI. 
Arbor, ut videtur, ramulis novellis, cum petiolis, pedunculis 
calycibusque, dense ferrugineo-velutinis. Folia alterna, elliptico 
v. obovato-oblonga (ad 15 cent. longa, 40 cent. lala), basi rotun- 
data v. saepius leviter cordata, apice rotundata v. brevissime acu- 
minata (ea Ficorum nonnull, valde referentia), subintegra v. leviter 
sinuala, submembranacea, penninervia, basi 3- v. sub-5-nervia ; 
costa subtus medio sulcata ; nervis incurvatis venisque- valde reti- 
culatis subtus prominulis; supra glabrescentia (in sicco pallide 
virescentia), subtus rugulosa tenuiterpuberula opaca. Petioli breves 
(1-1. cent.). Stipalæ membranaceo-subulatæ, recie v. leviter 
curvae, petiolo 2-midio breviores, nunc persistentes. Flores soli- 
tarii laterales suboppositifolit; pedunculo crassiusenlo subclavato 
(^, 2 cent. longo); bracteolis 2, 5, peduneulo plusminus alte inser- 
tis. Calyx tubuloso-campanulatus, in alabastro elongato-obovoideus 
(ad 2 + cent. longus) inæquali-5-déntatus coriaceus crassus, intus 
dense. fulvido-sericeus. Petala calyce 2, 3-plo longiora obovata 
longe unguieulata, intus deuse velutina, caduea. Columna. stami- 
nea longe exserta (ad 5, 6 cent. longa). Fructus ignotus. — In 
Guiania gallica legit olim Martin. (Herb. Mus. par.) 
Species cum Q. guianensi AUBL., ut videtur, diu confusa; differt autem 
nervalione foliorum floribusque lateralibus solitariis, neenon perianthio 
et staminibus, et multo propius ad Matisias sane accedi. : 
l2. CanPopiPTERA Boivii. 
Arbor, ut videlur; ramis olabratis striatis parce lenticellis 
albidis linearibus notatis ; ramulis novellis, utique foliorum junio- 
rum pagina inferior, petioli, inflorescentiæ rami calycesque, pal- 
lide ferrugineo-velutinis, Folia ovala, basi valde cordata, apice 
aeula (ad 10 cent. longa, 8 cent. lata), supra demum glabrata, 
subtus demum, nisi ad nervos, glabrata, membranacea ingequali- 
crenata, penninervia, basi 5-7-nervia, transverse reticulata ; cosla, 
