1R6 CRASSULACE^. [Sempervivum. 



ff Flowers yellow. 



6. S. acre, L. Biting Stonecrop. Wall -pepper. "Leaves 

 erect alternate ovate gibbous fleshj' produced at the base, cymes 

 trifid glabrous leafy, sepals obtuse gibbous at the base, petals 

 acute."— 5r. FL p. 148. E. B. t. 839. 



On tlry sandy ground, hedgebanks, walls, rocks, and roofs of buildings ; very 

 common. Fl. June, July. 2^. 



E. Med. — Sallerns Dover (betwixt Springvale and Salterns), in plenty. Dr. Bell- 

 Salter. 



W. Med. — Abundant on dry sandy banks at the S. end of Shorwell. 



6. S,reJie.Tcum, Li. Crooked-leaved Yellow Stonecrop. "Leaves 

 terete awl-shaped scattered spurred at the base, flowers cymose, 

 segments of the calyx lanceolate slightly acute." — E. B. t. 695. 

 S.'glaucum, Bonn. : E. B. t. 2477. Br. Fl. p. 149. 



On walls, ruins and (especially thatched) roofs of houses ; frequent ; rarely on 

 dry sandy banks, rocks and cliffs. Fl. July, August. 2^. 



E. Med. — Until lately it grew rather plentifully on part of the ruins of Quarr 

 Abbey, but is now nearly if not quite lost by the pulling down of the portion of 

 wall on which it flourished, for building material. Eoof of a wooden house by the 

 roadside between Nettlestone and St. Helen's, a little before coming to the church. 

 Depending from the rocky bank on the left hand descending Morton Shoot, by 

 Evading. Boof of a cottage between Niton and Whitwell, and also at Shanklin by 

 the turnpike-gate. On a low wall at Lower Stenbury, but said to have been pur- 

 posely planted there. Wall below the church at Newchurch, Dr. Beli-Salier. At 

 Godshill, Miss G. Kitderlee ! Sandown fort, Mr. Snoohe. 



W. Med. — Walls of Cavisbrooke castle. AtCalbourne. Old walls at Wolver- 

 ton, by Shorwell. Boof of a cottage at Easton, Mr. Snooke. 



II. Sempervivum, Linn. House-leek. 



" Cahjx 6 — 20 cleft. Petals distinct or slightly united at the 

 base. Stamens twice as many as the petals, or as many and oppo- 

 site to them. Follicles many-seeded ; hypogynous scales lacini- 

 ated, toothed or none."- — Br. Fl. 



*1. S. tectorunX, Ij. House-leek. Sen-green. "Leaves cili- 

 ated, offsets spreading, petals about 12 entire and hairy at the 

 margins."— Br. Fl. p. 147. E. B. t. 1320. 



On walls and rocks, frequent, but always introduced. Fl. July. 2^. 



III. Cotyledon, Linn. Navelwort. 



" Calyx 5 -partite. Petals united into a tubular or campanulate 

 corolla. Stamens 10, inserted upon the tube of the corolla. Fol- 

 licles many-seeded, each with a scale at its base."- — Br. Fl. 



1. C. Umbilicus, L. Wall Pennywort. Navelwort. "Leaves 

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

 simple raceme of pendulous flowers, upper bracteas minute entire,, 

 corolla scarcely cleft to the middle, lobes ovate acute erect, root 

 tuberous."— Be. Fl. p. 146. E. B. t. 325. 



