TlLLiEA. 
321 
Order XXXIX. CRASSULACE^E. 
The Houseleek Family. 
FI. regular mostly perfect. Cal. persistent ; sep. 3-20, mostly 5 
often fleshy more or less united at the base, imbricate or subval- 
vate in bud. Pet. as many as and alternate with the sep., free or 
connected downwards, inserted at base of sep. Stam. as many or 
twice as many as the pet . and inserted with them. A ring of 
hypogynous glands or scales (abortive stam.) between the pet. 
and carpels. Ov. free ; carpels as many as and opposite the 
pet., free or sometimes partially connected downwards, each 
produced into a short persistent simple style. Fr. of 3-20 one- 
celled many- (rarely 2-) seeded follicles bursting by a cleft or 
slit mostly at their inner suture, to which their minute seeds 
are attached. Alb. little or none. Embryo straight. — Succu- 
lent herbs or shr. with fleshy 1. and no stip. FI. mostly cymose 
w. or y., sometimes red or reddish, opening centrifugally. 
1. TiLLiEA. Sep. pet. stam. and carp. 3-4. Pet. free dis- 
tinct. Hypogynous scales very small or 0. Carp. 2 -seeded 
contracted between the seeds. — Minute inconspicuous moss- 
like herbs with opposite 1. and axillary fl. 
2. Umbilicus. Sep. 5. Pet. 5 cohering into a tubular-cam- 
panidate cor., with straight erect acute lobes. Stam. 10 
affixed to the sides of the cor. Hypogynous scales 5 obtuse. 
Carp. 5 many-seeded. — Herbs with ann. fl.-st. and radical 
tufts of 1. alternate on the st. Fl. w. or y. in simple or 
branched erect rac. 
3. Sedum. Sep. and pet. 5, rarely 4 or 6-8, the latter altogether 
free distinct. Stam. mostly twice as many, sometimes onlv 
as many. Hypogynous scales simple notched retuse or lu- 
nate. Carp, as many as pet. many-seeded. — Herb or % r - 
L. often round or fusiform. Fl. cymose w. pale purplish 
or flesh-col. and y. 
4. Sempervtvum. Sep. 6-20 rarely 5. Pet. as many, con- 
nate at the base and with the stam. which are twice as many. 
Hypogynous scales various, palmate or simple and in the 
latter case notched retuse or lunate, sometimes 0. Carpels 
as many as pet. many-seeded. — Herbs or shr. L . flat or 
flattened. Ft. cymose mostly y., sometimes w. or flesh-col. ; 
cymes mostly paniculate often corymbose. 
1. Till/EA L. 
1. T. muscosa L. 
St. procumbent or ascending branched and flowering from the 
base tufted; fl. axillary sessile trimerous. — Brot. i. 124; EB. 
