ORDER 59. BEGONIACEJS. 131 



C. vnljsiirls Schrad Hirsute; Ivs. somewhat 5-lobed, the lobes sinuate-pinnatifld, 

 giaucus beneath ; fls. with a bract ; fr. dark-spotted. (T) India. Africa. 



8. CUCUMIS, L. Fls. 8 or 5 . Cal. tubular-campanulate, with sub- 

 ulate segments. Cor. deeply 5-parted. Sta. triadelphous. Style short 

 Stig. 8, thick, 2-lobed. Pepo elongated. Seeds lance-oblong, white, acute, 

 not margined at the edge. ^ Fls. axillary, solitary, yellow. 



* Leaves angular, not lobed, subcordate. Tendrils simple Nos. 1, 9 



* Leaves deeply-lobed or cleft. Tendrils simple or forked Nos. 38 



1 C. BAiivos. Cnanriber. Rough ; If. angles acute ; fr. oblong, prickly when young. @ 



2 C. MELO. Musk Melon. Hairy ; If. angles obtuse ; fr. globular, torulous. Asia. 



3 C. ANGIJIUA. Prickly C. Lvs. sinuate-Jobed; tendrils simple ; fr. ovoid, echinate. 



4 C. COLOCTNTHIS. Colocynth. Lvs. cut-lobed ; tend, short ; fr. round, yel., very bitter. 



5 C. ANGUINUS. Serpent O. Lvs. 3-5-lobed ; tendrils forked ; fr. long, coiled, snake-like 



ORDER LIX. BEGONIACEJS. BEGONIADS. 



Herbs or shrubby plants, with alternate, inequilateral leaves, and dicli- 

 nous, unsymmetrical flowers. Perianth of 2 oo Ivs., all petaloid or the in- 

 ner only. Stamens GO, anth. connate. Ovary inferior, 3-angled or winged, 

 3-celled, the placentae in the angles. Styles united at base. Albumen 0, or thin. 



BEGONIA, L. $ Sepals 2. Pet. 2, rarely more, or 0. $ Sepals 2, 

 larger than the 4 petals. Cap. with 3 angles unequally winged, opening 

 below the apex. Sds. GO, minute. 11 > Lvs. alternate, stipulate, with the 

 sides unequal, margins toothed or lobed. Fls. often showy. Species 320. 

 mostly tropical, often found in the greenhouse. Much mixed 



J Leaves feather-veined, and glabrous as well as the whole plant Nos. 1 4 



$ Leaves palini- veined, with 59 veins from near the base. . .(a) 



a Plant glabrous throughout. Loaves toothed or crenulate NOB. 5 7 



Leaves hairy, at least on the deeply 5-9-tobed margin? Nos. 8, 9 



a Leaves hairy, at least on the undulate or toothed margins. . .(b) 



b Staminate flowers with 2 sepals only, the petals usually Nos. 10, 11 



b Staminate flowers with 2 sepals and 2 petals. E. India Nos. 12 IE 



1 B. MACDLATA. Very smooth ; Ivs. ovate-oblong, wavy, cordate, white-spotted above, 



purple beneath ; fls. white or flesh-colored, in forked cymes. Brazil. (B. argentea.) 



2 B. FUCHSIOIDES. Smooth ; Ivs. oblong to obovate, obtuse at base, serrulate ; Us. bright 



red, drooping like Fuchsias, in many terminal cymes, very handsome. N. Granada. 



3 B. SEMPERVIRENS. Leaves bristly on the creuate edges, ovate, subcordate; fls. white 



to rose-colored, 1' 18", in an open panicle, with scarious, persistent bracts. Brazil. 



4 B. INCARNATA. Leaves bristly-serrate, ovate to oblong; fl#. roseate, large, in com 



pound, pendulous cymes, with caducous bracts or 0. Mexico. (B. insignis.) 



6 B. NITIDA. Leaves ovate, half-cordate, subcrenate. shining, green as well as thi> stlp- 



u'es ; flowers purplish-white, with caducous bracts, on axillary peduncles. W. Ind. 



6 B. SANOUINEA. Leaves oblique-ovate, deeply cordate, crenulate, red beneath, large: 

 flowers white, small, many, in cymes longer than the leaves. Stalks red. 



1 IS. cocciNEA. Leaves oblique oblong, half cordate, dentate ; stipules obovate, cadu- 

 cous ; flowers scarlet, pendulous, 8" broad, in cymes equalling the leaves (5'). 



8 B. HIERACIFOLIA. Leaves roundish, palmately 7-cleft, lobes toothed : fringed scales 



on the petiole above ; scape long, with many roseate flowers, 1' diameter. Mexico. 



9 B. PARVIFLORA. Shrub rusty-downy ; leaves ample, roundish, subcordate, 7-9-lobcd, 



lotos serrulate ; cymes If long, with numerous email pale flowers. Peru. 



