ARBORETUM ET FRUTICETUM 

 BRITANNICUM. 



CHAP. LXXVIII. 



OF THE HARDY AND HALF-HARDY LIGNEOUS PLANTS OF THE 

 ORDER ASCLEPIADA^CEjE. 



Genus I. 



PERITLOCA L. The Periploca 



Identification. R. Br. in Mem. Wern. Soc, 1. p. 57. 

 Miil., 4. p. 163. 



Lin. Syst. Pentandria Digynia. 



Lindl. Nat. Syst. Bot., edit. 2., p. 305. ; Don's 



Synonymes. Periploca Fr. ; Schlinge, Ger. 



Derivation. From peripleko, to wrap about ; in allusion to the twining stems. 



Gen. Char., S?c. Corolla rotate. Throat furnished with 5 awned scales, which 

 alternate with the segments of the corolla. Filaments distinct. Anthers 

 cohering, bearded on the back ; pollen masses applied to the dilated tops of 

 the corpuscles of the stigma, solitary, or composed of 4 confluent ones. 

 Stigma almost mutic. Follicles cylindrical, much divaricate, smooth. Seeds 

 comose. (Don's Mill., iv. p. 163.) — The hardy species are natives of the 

 south of Europe, the north-west of Asia, or the north of Africa. Twining 

 glabrous shrubs. Leaves opposite, shining. Flowers subcorymbose, inter- 

 petiolar ; of easy culture in common soil, and propagated by cuttings of the 

 root or shoots, or by layers. 



i 1. P. grje'ca L. The Greek Periploca. 



Identification. Lin. Sp., p. 309. : Don's Mill., 4. p. 163. ; Lodd. Cat, ed. 1836. 



Synonyme. P. maculata Mcench, Schmidt Baum., 1. t. 46., Du Ham. Arb., 2. p. 104. t. 21., Hort. 



AngL, 1 15. 

 Engravings. Jacq. Misc., 1. p. 11. 1. 1. f. 2. ; Fl. Grsec, t. 249. ; Bot. Reg., t. 803. ; Schkuhr Handb., 



t. 53. ; and our Jigs. 1087. and 1088. 



Spec. Char., fyc. Leaves varying from ovate to lanceolate. Corymbs on long 

 peduncles. Flowers hairy inside. Branches brown. Segments of corolla 

 linear, rounded at the apex, greenish outside, 

 and brownish inside, and clothed with copious 

 short hairs. Leaves deciduous, 3 — 4 in. long. 

 (Don's Mill., iv. p. 163.) A hardy twining 

 shrub, a native of the south of France, and of 

 Bithynia, found also about 

 Bursa, and on Mount 

 Athos ; flowering in July 

 and August. It was in- 

 troduced in 1597, and is 

 frequent in gardens. The 

 remarkable colour and 

 rich velvety appearance 

 of the flowers, the elegant 

 form of the leaves, and 

 the facility with which the 1088 

 plant can be made to cover an extensive space, render it useful for arbours, 

 &c. ; but it is mentioned in the N. Du Hamel that the odour of the flowers 



* 4n 6 



