79 



HELIANTHEMUM virgatum. 



Slender-twigged Sun-Rose. 



Sect. IX. EUHELIANTHEMUM. Supra fol. 7. 

 ** Petalis albis, roseis, rubris vel diluti sulp/iureis. 



H. virgatum, caule suffruticoso, ramis virgatis incanis adscendenti- 

 bns seu erectis, foliis linearibus subtus canescentibus, stipulis 

 lineari-subulatis, calycibus cauo-pulverulentis pubescentibus. DC. 

 prodr. 1. p. 282. n. 100. 



Helianthemum virgatum. Pers. syn. 2. p. 79. n. 65. Spreng. syst. 2, 

 p. 594. n. 97. Swt. hort. brit. add. p. 469. n. 94. 



Cistus virgatns. Desf.flor. atlant. 1. p. 432. 



Stem suffruticose, producing numerous branches, 

 which are at first erect, but as they lengthen out, they 

 become more or less decumbent, not being strong 

 enough to support their weight, their points ascending 

 or becoming again erect, tinged with purple, and clo- 

 thed with a short white close tomentum, quite white 

 and thick on the young branches, but as they become 

 older it gradually wears off. Leaves opposite, linear, 

 acute, canescent on both sides, but most so under- 

 neath, channelled on the upper side and strongly one- 

 nerved on the lower, the margins slightly revolute, 

 clothed on both sides with a close-pressed pubescence. 

 Petioles clothed with a close-pressed canescent pubes- 

 cence, flattened a little, and furrowed on the upper side 

 and rounded at the back. Stipules linearly subulate, 

 sharp-pointed, keeled at the back, longer than the pe- 

 tioles, thickly clothed with close-pressed white woolly 

 hairs. Racemes terminal, several-flowered, nodding 

 before expansion, afterwards ascending, or becoming 

 erect. Flowers pale rose-colour, leaning forward, or 



