498 HISTOIRE DES PLANTES. 
GENERA 
À. Begonia PLUM. — Flores monœæci v. polygami; masculorum 
receptaculo convexo. Perianthium coloratum ; foliolis exterioribus 
sæpius ?, v.rarius 3- ; interioribus autem sæpius 2, alternis, magis 
petaloideis, v. rarius 3-x , imbricatis. Stamina  , aut undique circa 
receptaculum, aut 4-lateraliter inserta ; filamentis liberis v. plus 
minus 1-adelphis ; antheris cum filamento continuis ; loculis connec- 
tivo nunc apice producto adnatis, lateraliter v. introrsum extrorsumve 
rimosis. Floris fæminei receptaculum concavum, nunc extus alatum, 
germen concavitate fovens. Perianthii foliola 5, 6, v. rarius plura, 
receptaculi fauci inserta ; exterioribus sæpius 2, magis sepaloideis ; 
præfloratione imbricata. Germinis inferi loculi 2-5, completi v. Imcom- 
pleti; stylis liberis v. basi adnatis, superne 2-fidis ; lobis stigmatosis 
integris v. fissis. Placentæ simplices v. 2-lobæ, dite ovuligeræ. Fruc- 
tus sæpius 3-gonus et inæquali-3-alatus, nunc teres v. #-5-gonus, aut 
capsularis loculicideque v. septicide, superne v. per totam longitudi- 
nem dehiscens, aut baccatus, irregulariter ruptus dehiscensve. Semina 
æ, minima, extus cellulosa reticulata; albumine parco v. 0; embryo- 
nis Carnosi Cotyledonibus brevissimis plano-convexis ; radicula crassa 
tereti v. hemisphærica, — Herbæ v. frutices; caule brevi erecto v. 
elato subsarmentoso, simplici ramosove, nunc tuberoso rhizomati- 
formi v. tuberculiformi ; foliis alternis, sæpe distichis, raro subverti- 
cillatis, plerumque basi inæqualibus, nonnunquam succulentis; flo- 
ribus in cymas axillares pedunculatas plus minus composite cymosas, 
1- v. 2-sexuales, bracteatas bracteolatasque, dispositis. (Orbis fere 
lolius reg. trop. et subtrop.) — Vid. p. 493. 
2. Hillebrandia OLIv.' — Flores fere Begonie ; masculorum 
sepalis 5, plus minus inæqualibus, imbricatis. Petala 5, cum sepalis 
1. In Trans. Linn. Soc., XXV, 361, t. 46. — B, H., Gen., I, 843, n. 2. 
