282 DICOTYLEDONS. SEMPERVIV.E. Scdwn. 



Order LIX. SEMPERVIV.E. Jms. 



{Crassulacece, Jiiss.) 



Cal. inferior, of one piece, many-cleft. Coi\ sometimes monope- 

 talous. Stamens either equal in number to the petals and al- 

 ternate with them, or twice as many, half alternate and half 

 opposite. Ovaries equal in number to the petals. Disk hv- 

 pogynous. Follicles many-seeded. Seeds small. Rmbryo 

 in the axis of a fleshy more or less abundant albumen. Ra-* 

 dicle opposite the hilum. 



Herbs with fleshy opposite or alternate leaves. Flowers alter- 

 nate, or in spikes, corymbs, or cymes. Mirb. 



1. COTYLEDON. 



Cal. 5-cleft. Cor. monopetalous, tubular, S-fid. Caps. 5, with 



a nectariferous scale at their base. 

 1. C. Umbilicus, leaves peltate crenate depressed in the centre, 



stem spiked with the numerous racemes of pendulous flowers, 



upper bracteas minute entire, p. 139. — Rocks and old build- 



i/igs. 



2. SEMPEm'lVUM. 

 Cft/. 12- cleft. Petals \2. Capsules V2. 

 1. S. Te.ctornm, leaves ciliated, offsets spreading, p. 149, — 



House-tops and walls, 



3. SEDUM. 



Cal. 4 — 7-cleft. Pet, 5, Caps. 5, with a nectariferous scale 

 at their base. 



* Leaves plane. 



1. S. Telephium, leaves flattish serrated, corvmbs leafy, stem 

 erect, p. 139. — Borders of fields, hedges and ivasle places. 



** Leaves rounded, fixed hy their base. 



2. S. dasyphylhim, leaves opposite (alternate on the flowering 

 stem) cordato- ovate obtuse fleshy, stem weak, panicle gluti- 

 nous, p. 140. — Rocks and ivalls. 



3. S. album, leaves scattered oblong cylindrical obtuse spread- 

 ing, cyme much branched, p. l40. — Rocks and walls. 



4. S. villosum, leaves scattered oblong plane above and as well 

 as the peduncles and stems hairy and viscid, p. HO. — Bogs 

 and moist rocks. 



*** Leaves rounded, produced below the point of insertion info a land, 

 of spur, which is pressed to the stem. 



5. S. Qvglicum, leaves ovate gibbous fleshy produced at the base 

 ■ alternate, cyme bifid, p. 140. — IValls and rocks. 



G. S. acre, leaves ovate gibbous fleshy produced ai the base al- 



