20 



HELIANTHEMUM leptophyllum 



Narrow-leaved Sun- Rose. 



Sect. IX. EUHELTANTHEMUM. Supra, foL 7. 

 * Petalis lutcis. DC. prodr. 1. p. 278. 



H. Icplophyllum, caule suffruticoso lignoso subprocumbente ramoso : 

 ramis erectis aut adscendentibus tomentosiusculis snbcinereis, 

 foliis angustis oblongD-linearibus in petiolum brevem attenuates 

 margine revolutis subtus breviter tomentoso-cinereis supra gla- 

 briusculis viridibus, stipulis subulatis pilosis petiolo vix longiori- 

 bus, racemis longis, calycibus piloso-hirsutis, petalis undulato- 

 crenatis basi imbricatis. 



Helianthemum leptopbyllum. Dunal in DC. prodr. 1. p. 279. n. 82. 

 Spreng. syst. vey. 2. p. 592. n. 82. Swt . hort. brit. p. 35. n. 69. 

 Barrel. c./.442. 



Cistus Barrelieri. Hot. mag. 2371. excl. synon. non DC. 



Cistus staechadifolius. Hortulanorum. 



Stem shrubby, hard and woody at the base, ascend- 

 ing or procumbent, clothed with a rugged brown bark, 

 much branched : branches spreading in various direc- 

 tions, ascending, slender, clothed with a loose grey 

 tomentum. Leaves opposite, the upper one often al- 

 ternate, narrow, oblongly linear, bluntish, attenuated 

 at the base into a short petiole, the margins much 

 rolled back, underneath strongly nerved, and clothed 

 with a short dense grey tomentum ; the upper side 

 channelled, of a dark glossy green and slightly pubes- 

 cent, the points tipped with short hairs. Stipules small, 

 subulate, hairy, scarcely longer than the petioles, and 

 tipped with a fascicle of short bristle like hairs. Ra- 

 cemes long and loose, many-flowered, nodding before 

 expansion, afterwards becoming erect. Sractes small, 

 linear or lanceolate, hairy and fringed. Peduncles red- 

 dish brown, woolly, nodding before expansion, erect 

 when in flower, and reflexed when in fruit. Calyx of 



