100 XLT. cbassi-laoe-t;. 



Tribe 1. IsosTEMOXES. Stamens as many as tlie petals. 

 Sepals and petals four. 



Ovules 1 in each carpel 1. IIelophytfm. 



Ovules several in each carpel ■ . . 2. Bulliarda. 



Sepals and petals 5 (or rarely ^-9). 



Carpels, each with a horn-like crest at the back of 



the styles 3. DiNACElA. 



Carpels not crested, tapering 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. Eochea. 



. Corolla of 5-9 separate or slightly connate petals, 



spreading 5. Crassula. 



Tribe 2. Diplostemones. Stamens twice as many as the petals. 



Calyx 5-parted. Corolla tubular, 5-lobed .... 7. Cotyledon. 

 Calyx 4-parted, sessile, narrow. Corolla 4-lobed . . 8. Kalanchoe. 

 Calyx inflated, shortly 4-lobed. Corolla 4-lobed . . 9. Betopiiyllum. 



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. ii. 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 

 Easfem, the other diffused. 



2. BULLIARDA, DC. 



Character as Heloplujtum, except, carpels several-ovuled ; 

 follicles several-seeded. — Fl. Gap. ii. 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. 



Calm 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. — Fl. Cap. \\.p. 330. 



H.Jiliformis, 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. 



