84 
Mr Don on two New Genera of' Nepaul Plants. 
purely rosei v. rubri ; in herbis, umbellae dichotomies hasi hi^ 
volucro et involucello diphyllo munitce. 
TRICHOSPORUM * 
Incarville^ species, Roxburgh. 
Calyx campanulatus, 5-fidus, ebracteatus : segmentis sequali- 
bus. Corolla tubulosa, incurva, basi angustata, superne am- 
pliata: ore obliquo, 5-lobo: lobis plerumque rotundatis, sub- 
aequalibus in aestivatione imbricatis. Stamina 4, longe exserta, 
fertilia, S quorum parum breviora : Jilamenta capillaria, forni- 
cata, glabra : anther oe ovales v. oblongae, nudae, biloculares, ob- 
tusae V. subacutae, basi fissae, apice per paria conniventes, mterne 
post dehiscentiam lamellatae. Pistillum 1 rectum : germen com- 
pressum, ensiforme, sensim desinens in stylum filiformem : stig- 
ma simplex, clavatum disco excavato infundibulari, ore integer- 
rimo. Capsula siliquaeformis, compressa, (palmaris pedalisve), 
pendula, ensiformis, acuminata, bivalvis, 4-locularis dissepimento 
duplici : valvis planis per totam longitudinem primo discedenti- 
tibus, extus laevibus intus lacunoso-rugosis : septa tenuia, papy- 
racea, per medium arctissime affixa, demum ad oras dehiscen- 
tia, postmodo lateribus inflexo-approximatis. Semina oo ob- 
longo-cylindracea pendula, ad septa imbricatim affixa, papillis 
minutissimis scabra, ad baseos 1 apices 2 pilos longissimos te- 
nuissimos sericos emittentia, inter quos occulta. 
Frutices parasitici. Caules simpliceSs teretes^ geniculati, 
glabris secus truncos arborum in more Epidendrorum scandunt 
et ad genlculos jibras simplices subsolitarias siepius enascuntur. 
Folia oppositUs petiolatOs lanceolata, acuminatUs carnosUs inte-^ 
gerrima^ glabra. Flores terminates umbellati. Pedicelli breves^ 
uniflx)ri basi unibracteolati. Corollag rubriEs extus pilosie Jigurd 
fere omnind Digitalis, Toto coelo diversa est Incarvillea Juss. 
cui calyx tribracteatus. anthers bilobiEs stigma bilamellatums 
capsula broalvis biloculariSs dissepimentum simplex valvis op- 
positum^ semina planUs suborbicidata membrand latiusculd cinc- 
ta; caulis erectus ramosus herbaceuSs foliis laciniato-pinnatis 
* Named Trichosporums from hair; and seed, on account 
the seeds being furnished with long hairs. 
