122 
35. CRASSULACE.E. 
Order XXXV. CRASSULACE.E. 
Sep. 3—20, more or less united at the base. Pet. the same 
number, regular, free or slightly connected, inserted at the base 
of the calyx. Stam. inserted with the pet. and the same or twice 
their number. IIy])ogynous scale (abortive stamen) 1 at the base 
of each carpel or obsolete. Carpels the same number as and 
opposite to the pet., free or slightly connected, 1 -celled. Fr. of 
several follicles opening on their face, with slightly albuminous 
seeds on the inner suture. 
1. Till.® A. Sep., jiet., and stam. 3 — 4. Carp. 3 — 4, con- 
stricted in the middle and 2-seeded. Ilypogynous scales 0. 
2. Sedum. Sep. andpeC 5, rarely 6. Stam. 10 or 12. Hy- 
jmgynous scales entire. Carp. 5 or 6, many-seeded. — iS. 
Rhodiola has 4 sep., 4 pet., S stam., 4 cai-p., and is sub- 
dioecious. 
[3. Sempervivum. Sep. 6 — 20. Pet. the same. Stam. 
twice as many as the pet. Hypoffynous scales laciniated. 
Carp, as many as the petals.] 
4. Cotyledon. Sep. 5. Pet. cohering in a tubular 5-cleft 
corolla. Stam. 10, inserted on the corolla. Ilypogjmous 
scales 5. Carp. 5. 
1. Till.ea 
1. T. muscosa (L.); st. branched and decumbent at the base, 
fl. axillary sessile trifid. — E. B. 116. R. Icon. t. 191. — Very 
minute, about 1 in. long, reddish. L. opposite, oblong, obtuse, 
concave above, connate. Sep. ovate or lanceolate, acute, bristle- 
pointed. Pet. nearly subulate, white tipped with red. — On barren 
sandy heaths. A. VI. VII. 
2. Sedum Linn. 
* Root thick, many-headed. Leaves flat. 
t Flowers yellow. Rhodiola Linn. 
1. S. Rhodiola (DC.) ; root fleshy, 1. oblong dentate smooth, 
fl. dioecious by abortion, usually divided in fours. — E. B. 508. 
Rhodiola rosea Sm. — Fl. in a compact terminal cyme. L. acu- 
minate, with numerous parallel nerves in the place of a miih-ib, 
branching and anastomosing so as to cover the whole surface 
with a network of slender nerves. Root (rhizoma) large, having 
a remarkable smell. St. 6 — 8 in. high, simple. — Wet alpine 
rocks. P. VI. VII. Rose-root. 
tt Flowers white or puiple. 
2. S.Telephium{L.); uppermost 1. oval-oblong dentate rounded 
