60 CRASSULACEjE. [Sedum. 



them, placed in a circle, distinct, 1 -celled, tapering into the 

 stigmas. Carpels several, 1-celled, opening longitudinally and 

 internally. Seeds attached to the margin of the suture, variable 

 in number. Albumen thin, fleshy. Embryo straight: radicle 

 turned towards the hilum. — Succulent herbs or shrubs. Leaves 

 jlesky. Flowers in cymes, often unilateral. 



1. Cotyledon. Linn. Pennywort. 



Calyx 5-parted. Corolla monopetalous, tubular, 5-cleft. Cap- 

 sules 5, each with a gland or nectariferous scale at its base. — 

 Name from kotvXtj, a cup, to which the leaves of some of the 

 species bear a distinct resemblance. 



Decandria. Pentagynia. 



1. C. Umbilicus, Huds. Wall Pennyivort. Leaves peltate, 

 crenate, depressed in the centre ; stem with a (usually) simple 

 raceme of pendulous flowers ; upper bracteas minute, entire. 

 Br. Fl. 1. p. 209. E. FL v. ii. p. 314. E. Bot.t. 25.— Umbi- 

 licus pendulinus, De Cand. 



Rocks, walls, and old buildings, in rather elevated situations, Hill of 

 Howth, Killiney Hill, &c- Fl June — Aug. %.— Whole plant suc- 

 culent. Stems from six inches to a foot high, rounded. Leaves mostly 

 radical. Flowers cylindrical, yellowish-green. 



2. Sedum. Linn. Orpine or Stone-crop. 



Calyx in 5 (sometimes 4 — 8) deep segments, often resembling 

 the leaves. Petals 5, patent. Germens 5, each with a nec- 

 tariferous scale at its base. — Name from sedo, to sit, from the 

 humble growth of these plants on their native rocks. 



Decandria. Pentagynia. 



* Leaves plane. 



1. S. Telephium, Linn. Orpine, or Live-long. Leaves oval- 

 oblong, plane, serrated ; corymbs leafy ; stems erect. Br. Fl- 

 1. p. 209. E. Fl. v. ii. p. 315. E. Bot. t. 1319. 



Borders of fields and hedge banks near Carrigaline, County of Cork, 

 in a naturalized state ; Mr. J. Drummond. On an old ditch in the 

 glebe of Oldcastle, County of Cavan ; Rev. Mr. Halpin. Fl. July. 

 %. — One to two feet high. Stem spotted. Leaves broad. Flowers 

 purple. Very unlike any of the following species, and having the habit 

 of Rhodiola rosea. 



>|s >je Leaves terete. Flowers tvhite or reddish. 



?. S. dasyphyllum, Linn. Thick-leaved Stone-crop. Leaves 

 opposite (except on the flowering stems) ovato-globose, fleshy ; 

 panicles glutinous. Br. Fl. 1. p. 209 E. Fl. v. ii. p. 316. E. 

 Bot. t. 656. 



