PROF. OLIVER ON NEW PLANTS FROM RORAIMA. 275 



crebris obsita. Corona f'aucialis biserialis, seizes extirua e liyulis petalia sequi- 

 longis potaloideis, purpureo-maculatis, dolabriformibus, a pice obliquis et in acumen 

 longiuseulum tortum prolatis, series intima e filis numerosis prsecedentibus dimidio 

 brevioribus, capitatellatis. Corona mediana e tubo versus medium assurgens basi 

 membranacea, apiee in iila brevia divisa. Corona infra mediana e tubo versus 

 basin emergens annularis, subcarnosa margine defiexa. Tubi i'acies interna, inter 

 coronas, processubus parvis raembranaceis ut videtur dense obsita. . . . ctet. desunt. 

 Gynandropborum basi ut videtur quinquangulum, angulis anguste alatis, supra 

 medium tumidum ibique puberulum. Antberae oblongse obtusaj flavidoe. Ovarium 

 ut videtur oblongum angulatum longitudinaliter costatum puberulum. Stigmata 

 majuscula reniformia. — M. T. Masters. 

 Roraima. 



141. Begonia tovarensis, Klotzscb, var. ? ; fructibus breviter alatis. ITouse. 



ARALIACEiE. By M. E. Marcual. 



Crepinella, nov. gen. Flores hermapbroditi. Calycis margo brevis obsolete 4-dentatus. 



Petala 4 valvata. Stamina tot quot petala, sub disco epigyno explanato superne in 



stylum sulcatum abeunte inserta, filamentis brevibus et antberis ovatis. Ovarium 



1-loculare, 1-ovulatum, ovulo pedulo. Fructus ignotus. 



Frutex (?) glaber. Folia digitata. Flores in umbellas compositas terminales digesti. 



Bractese parvae squamiformes. Pedicelli sub flore continui. 



Notwithstanding tbe absence of fruit, tbe genus Crepinella is very different from otber 

 Araliacea? witb 1-celled, 1-ovuled ovary, differing from Eremopanax, Baillon, Ciiphocarpus, 

 Decne. & Naud., and Mastixia, Blume, in its digitate leaves and umbellate tetramerous 

 flowers. 



Dedicated to Mons. Crepin, Director of tbe Botanic Gardens, Brussels. 



162. Crepixella gracilis, Marcb., n. sp. (Plate XL. figs. 1-6) ; foliis 5-natis, petioln 

 sulcato basi abrupte dilatato, foliolis breviter petiolulatis, ovato-ellipticis, apice 

 obtusis vel marginatis, basi acutiusculis, margine integerrimis sive revolutis, perga- 

 maceis, costa infra pi'ominente, umbellulis longiuscule pedunculatis, 8-12-fioris, 

 pedunculo gracili profunde sulcato superne incrassato ; floribus minutis pedicello basi 

 bracteolato 4-plo brevioribus, calycis tubo obconico, 8-sulcato, corolla bemispba3i'ica 

 acutiuscula sulcata, petalis ellipticis, apice levitcr incrassatis incurvis, nervia extus 



impressa notatis, stylo gracili latitudiuem disci vix a3quante, fructu 



Boraima. 



Rami supremi graciles. Petiolus communis circ. 5 cm. longus. Petioluli 6-10 mill. 



longi. Foliola 4-5 cm. longa atque 3 cm. lata. Pedicelli 5-7 mill, longi. 



128. Sciadophyli/um coriaceum, Marcb., nov. sp. (Plate XLT. figs. 1-8) ; infiorescentiis 

 foliisque subtus tomcnto adpresso subferrugineo demum bine inde deterso vestitis, 



2t2 



