326 



ARBORETUM AND FRUTICETUM. 



PART III. 



I in Spain and Portugal, and introduced in'o England in 16S6. It is erect, and not much branched ; 

 ijuite hardy, or requiring only very sliglit protection in very severe frost. Dumont thinks it pro- 

 bable that it is only a variety of C. LMon. 



Hk 27. C. OBLONGiFO^Lius Swt. The oblong-leaved Cistus, or Rock Rose. 



Identification. Swt. Cist., t. 87. ; Don's Mill, 1. p. 300. 

 Engraving. Swt. Cist., t. 67. 



Spec. Char., Sfc. Erect. Branches hispid, villous. Leaves on short foot- 

 stalks, oblong-lanceolate, obtuse, pubescent, and waved at the margins; 

 under surface veiny. Peduncles cymose. Petals concave, imbricated. 

 {Doll's Mill., i. p. 300.) A native of Spain, attaining the height of 4 ft., and 

 producing its white flowers in June and July. When it was introduced into 

 England is uncertain ; but Sweet found plants which appeared to him to 

 be of this species in Colvill's Nursery in 1826. It forms a strong hand- 

 some evergreen shrub, which is quite hardy, and of the easiest culture. 



at. 28. C. ASPERiFO^Lius Swt. The rough-leaved Cistus, or Rock Rose. 



Identification. Swt. Cist., t. 87. Uon's Mill., 1. p. 300. 

 Engraving. Swt. Cist., t. 87. 



Sjjec. Char., cfc. Leaves almost sessile, ovate-lanceolate, acute, 3-nerved, 

 wrinkled, sraoothish, with wavy margins, somewhat denticulated, ciliated, 

 netted with veins beneath^ with the nerves and veins rough. Flowers 

 cymose. Peduncles and calyxes hairy. Petals imbricate. {Don's Mill., i. 

 p. 300.) A shrub growing to the height of 2 ft., and producing its large 

 white flowers from May to August, Its native country is uncertain ; and 

 Sweet says it may probably be a garden production, and, if so, intermediate 

 between C. laxus and C. oblongifolius. It forms a handsome, strong, up- 

 right, evergreen shrub, and is quite hardy, producing its flowers all the sum- 

 mer, and till late in autumn, in the open border. There were plants of it in 

 Colvill's Nursery in 1820. 



«- 29. C. PSIL0SE''PALUS Slot. The giabrous-sepaled Cistus, or Rock Rose. 



Identification. Swt. Cist., t. 33. ; Don's Mill., 1. p. 300. 

 Engraving. Swt. Cist., t. S3. 



Spec. Char., Src Leaves on short footstalks, oblong-lanceolate, 3-nerved, acute, 

 with undulated margins, which are somewhat denticulated and ciliated, rather 

 hairy. Flowers somewhat cymose. Peduncles hairy, tomentose. Sepals 

 with long points, glabrous, shining, and with ciliated edges. Petals broad, 

 cuneated, imbricated. (Do7i's Mill., i. p. 300.) A shrub growing from 2 ft. to 

 3 ft. high, with white flowers in July and August. Apparently a garden 

 production. Plants of it were in the Hammersmith Nursery in 1826. 

 It approaches near to C. longifolius, but is very diiferent, according to 

 Sweet, from that species. The plants are bush}^, and the shoots are ter- 

 minated by large C3'mes of white flowers, which open in succession, and 

 produce a contrast with the dark green leaves with which the plants ai-e 

 clothed. 



b. Peduncles ivith small, concave, coriaceous, yellowish, decussate, caducous Brae- 

 icoles at the Base ; and with tivo larger opposite ones beneath the Middle. 



p. 30. C. LONGiFo^Lius Lam. The long-leaved Cistus, or Rock Rose. 



Identification. Lam. Diet., 2. p. 16. ; Don's Mill, 1. p. 300. 



Synonytnes. Cfstus nigricans Potcn: Act Tout., 3. p. 311. ; C. populifblius var. longifblius Dumont. 



Spec. Char., S(C. Leaves on short peduncles, oblong-lanceolate, with waved and pubescent margins j 

 under surface veiny. Peduncles cymose. (Don's ^[/n., i. p. 300.) A shrub growing to the height 



, of 4 ft., and producing its wliite (lowers in .Tuly and .-^uj^nLst. It does not appear to have been 

 introduced into Kngland. Dumont de Courset, in liis Bulaniste Cultivuteur, says that this species 

 is ordy a variety of C. /jopuUf61ius; seeds of the latter having, with him, produced the former. 



» 3l. C. POPULiFO'Lius L. The Poplar-leaved Cistu.s, or Rock Rose. 



Ideniificati07i. Lin. Sp., 736. ; Don's Mill, 1. p. 300. 



Si/nont/mes, Ciste S Feuilles de Peuplier, Fr. ; Pappel-bli'ittrige Cisten Rose, Ger. 

 rariety. 



tt C. p. 2 mhior Dec. Prod., 1. p. 266.~Peduncles and calyx smoothish, shining, clammy. Lkdon 

 ■' latifblium, ii., Ctm: Hist,, i, p. 78. ; Cistus popiililblius Cau. Icon., 3. 215., Swt. Cist., 23. 



