ORDKB 59. BEGONIACE.E. 131 



C vulj^Aris Schrad Hirsute ; Ivs. somewhat 5-lobed, the lobes cinnate-pinnatifld, 

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



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

 ulate segments. Cor. deeply 5-parted. Sta. triadelpkous. Style slioit. 

 Stig. 3, 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, 3 



* Leaves deeply-lobed or cleft. Tendrils simple or forked Nos. 3 5 



1 C. SATIVUS. Cucumber. Rough; If. angles acute ; fr. oblong, prickly when young. 



2 C. MELO. Musk Melon. Hairy ; If. angles obtuse ; fr. globular, torulous. (7) Asia. 



3 C. ANGURIA. Prickly C. Lvs. sinuate-tobed; tendrils simple ; fr. ovoid, echinate. 



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



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



ORDER LIX. BEGONLACE^E. BEGONIADS. 



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

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

 ner only. Stamens oo, anth. connate. Ovary inferior, 3-anglecl or winged, 

 3-celled, the placenta? 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. K > 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. 



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



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



a Plant glabrous throughout. Leaves toothed or crenulate Nos. 57 



a Leaves hairy, at least on the deeply 5-9-lobed 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 15 



1 D. MACTJLATA. Very smooth ; Ivs. ovate-oblong, wavy, cordate, white-spotted above, 



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



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



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



3 B. SEMPEKVIKEX3. Leaves bristly on the crenate 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; fls. i-oseate, large, in com- 



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



5 B. NITIDA. Leaves ovate, half-cordate, subcrenate. shining, green as well as tho stip- 



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



6 B. SANGUINEA. Leaves oblique-ovate, deeply cordate, crenulate, red beneath, large; 



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



7 B. cocciNEA. Leaves oblique oblong, half cordate, dentate ; stipules obovate, cadu- 



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



8 B. UIEUACIFOLIA. Leaves roundish, palmately 7-cleft, lobes toothed ; fringed scales 



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



9 B. PARVIFLOBA. Shrub rusty-downy ; leaves ample, roundish, subcordate, 7-9-lobed, 



lobes serrulate ; cymes If long, with numerous small pale flowers. Peru. 



