THE GENUS CRASSULA Linn. 
89 
2. Sepals about the length of the petals. Styles 
about the length of the ovaries. Margin 
of leaves crenato-dentate. 
7. Cr. umbraticola N. E. Br. 
B. Leaves sessile (or perfoliate disciform) or at the base cuneately 
narrowed. Inflorescences terminal. 
a. Leaves 2, sessile (sometimes perfoliate disciform). 
a. Cymes paniculate. 
+ Leaves 1-4 — 1-8 cm. long. 
10. Cr. Weissii N. E. Br. 
+ + Leaves 2 — 7 cm. long. 
9. Cr. U rubella Jacq. 
]8. Cymes subumbellate. 
8. Cr. Saxifraga Harv. 
b. Leaves 2 — 4, cuneate at the base. 
a. Petals subpanduriform acute ; erecto-patent. 
6. Cr. loriformis Schonl. et Bak. f. 
j8. Petals oblong-lanceolate. 
8. Cr. Saxifraga Harv. 1 
c. Leaves often 4 — 6, cuneate at the base. 
a. Peduncle short. 
+ Pedicels short. 
y/ Leaves up to 3-5 cm. broad, margin crenate- 
dentate. 
6. Cr. loriformis Schonl. et Bak. f. 
y/y/ Leaves up to 1-3 cm. broad with entire or sub- 
entire margin. 
4. Cr. confusa Schonl. et Bak. f. 
+ + Pedicels filiform up to 2-5 cm. long. 
5. Cr. Promontorii Schonl. et Bak. f. 
|S. Peduncles long, filiform, sometimes one-flowered. 
11. Cr. Septas Thunb. 
d. Leaves subsessile, about 8, very small (blade about 5 mm. 
long). 12. Cr. Albertiniae Schonl. 
1. Cr. dentata, Thunb. in Flora Cap., ed. Schultes (1823), p. 293; Cr. den- 
tata Thunb. var. minor Harv. in Flora Cap. n, p. 236; Petrogeton 
typicum E. & Z. in Enum. no. 1854, p. 291 ; Cr. patens Harv. in 
FI. Cap. ii, p. 356; Petrogeton patens E. & Z. Enum. no. 1855, p. 291. 
Widely spread in S.-W. Cape Colony at an altitude of 300- 
1200 m. (but absent from the Cape Peninsula ?). 
1 In cultivated specimens the number of leaves may exceed four. 
8—2 
