100 XLV. CRASSULACER. 
Tribe 1. IsostEMoNES. Stamens as many as the petals. 
Sepals and petals four. 
Ovules.1am ‘each carpel’ «1... 0.020) 3 1, HEnGPpaeeie 
Ovules several in each carpel. . . . . . . . 2 BULLIARDA. 
Sepals and petals 5 (or rarely 6-9). 
Carpels, each with a horn-like crest at the back of 
thestyles . . . 0 ios) 85 Dinvaimmas 
Carpels not crested, taper ing upwards. 
Corolla subgamopetalous, salver-shaped. 
Calyx bell-shaped, 5-toothed. Tube of corolla 
not longer than the calyx . . . 4, GRAMMANTHES. 
Calyx deeply 5-cleft. Tube or corolla longer 
than the calyx. Anthers subsessile, in 
throat . . . 6. RocHza. 
Corolla of 5-9 separate or slightly connate petals, 
spreading . . - ; © « 0. CRASSULA. 
Tribe 2. DipLosteMoNES. Stamens twice as many as the petals. 
Calyx 5-parted. Corolla tubular, 5-lobed . .,. . 7. CoryLEDon. 
Calyx 4-parted, sessile, narrow. Corolla 4-lobed. . 8. KALANCHOE. 
Calyx inflated, shortly 4-lobed. Corolla 4-lobed . . 9. BRYOPHYLLUM. 
1. HELOPHYTUM, E. and Z. 
Calyx 4-fid or 4-toothed. Petals 4, roundish or obovate, 
spreading. Stamens 4, shorter than the petals. Scales cu- 
neate, truncate. Carpels 4; ovules solitary; styles short.— 
Fl. Cap. i. p. 328. 
Small marsh or water-plants, with weak, erect or floating, simple or 
slightly-branched stems. Leaves opposite, linear, spathulate or obovate. 
Flowers axillary, solitary or in cymes, white.—2 species, 1 of which is 
Hastern, the other diffused. 
2. BULLIARDA, DC. 
Character as Helophytum, except, carpels several-ovuled ; 
follicles several-seeded.—H7/. Cap. 11. p. 329. 
Small, mostly annual, 2—3-chotomous plants, growing in moist ground. 
Flowers small, white, terminal, and axillary.—5 Cape species, dispersed. 
3. DINACRIA, Harv. 
Calyx deeply 5-cleft. Petals 5, slightly connate at base, 
with broad, erect claws and spreading or recurved limbs. 
Stamens 5, shorter than the petals. Scales narrow-cuneate, 
truncate. Carpels 5, several-ovuled, each with a short dorsal 
horn at the summit behind the style; styles short, subulate. 
Follicles several-seeded.— FJ. Cap. 11. p. 330. 
H. filiformis, Harv., the only species, is a small, 3-chotomous annual, na- 
tive of the Western ‘district. Leaves obovate or oblong, blunt, fleshy. 
Corymbs dense, terminal; flowers small, white. 
