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HELIANTHEMUM pulvcrulentum 



Powdered Sun-Rose. 



Sect. IX. EUHELIANTHEMUM. Supra, fol.1. 

 ** Petalis albis, roseis, rubris vel diluti sulphureis. 



H. pulverulentum, caule suffruticoso ramosissimo prostrato : ramis 

 incano-tomentosiusculis, foliis oblongo-linearibus margine revo- 

 lutis obtusis subtus incanis supra glaucis, stipulis subulatis ciliatis 

 apice setosis petiolo longioribus, calycibus canescentibus minute 

 tomentoso-pubescentibus, petalis valde imbricatis. 



Helianthemum pulverulenlum. DC. fl. fr. 4. p. 823. Prodr. I. 

 p. 282. Pers. syn. 2. p. 80. Swt. hort. brit. p. 36. n. 74. 



Cistus pulverulentus. Pourr. act. toul. 3. p. 311. 



Stems suffruticose, prostrate, very much branched, 

 and spreading in all directions : branches opposite, 

 densely clothed with a close-pressed white tomentum. 

 Leaves opposite, oblongly linear, obtuse, margins revo- 

 lute, underneath clothed with a close white tomentum, 

 the upper side of a glaucous powdery appearance, ori- 

 ginating from small close-pressed white hairs, with 

 which the upper surface is covered, and is more con- 

 spicuous on the young leaves. Petioles short, tomen- 

 tose and hairy. Stipules subulately linear, longer than 

 the petioles, hairy and ciliate, bristly at the point. Ra- 

 cemes terminal, several flowered. Bractes linear, blunt- 

 ish, hairy and ciliate, more than half the length of the 

 peduncles. Peduncles clothed with a dense white pu- 

 bescence and hairs intermixed, nodding before the 

 flowers expand, and often when in flower, afterwards 

 reflexed. Calyx of 5 sepals, the 2 outer ones small, 

 oblong, bluntish, very hairy : inner ones ovate, con- 

 cave, bluntish, strongly 4-nerved, the nerves clothed 

 with short rigid hairs, and between them with a short 

 white close pubescence. Petals 5, much imbricate and 



