332 AnnoRETUM and fruticetum. part hi. 



of flowers from tlic beginning of May to the end of July. It ripens seeds 

 in abmidance; but, as Sweet remarks, "the colour of the flowers varies 

 considerably on different plants," and therefore the seeds should always be 

 saved from those of the brightest colours. Plants are to be procured in all 

 the London nurseries. 



«. 10. H. //triplicifo'lium JH/Id. The Orache-Ieaved Helianthemum, ot 



Stai Hose. 



Identification. Willd. Eimm., 5(59. ; Don's Mill, 1. p. 302. 

 Synonyine. Cfstus atriplicifbliiis Lam. Diet., 2. p. 19. 

 Entfruving. Barrel. Icon., t. £Sy. 



Spec. Char., Sfc. Erect. Branches white from leprous tomontuin. Leaves sta1ke<1, broad-ovate, 

 bluntish, waved at the base, covered with leprous tomentum on both surfaces. Peduncles race, 

 mose, hairy. Calyx hairy, o-sepalcd, rarely .0-sepaled, with the two outer ones very minute. 



. {Don's Mill., i. p. 3()2.) A shrub growing to the height of ;> ft., with leaves like those of ^'triplex 

 //alimus ; introduced from Spain in 1S2(>, and producing its yellow flowers in June and July. 

 Mr. Sweet observes, in 1829, that this species, he believes, has " quite disappeared from our col- 

 lections." 



«. 1 1. H. LASIA'XTHUM Pcrs. The hairy-flowered Helianthemum, or Sun Rose. 



Identification. Pers. Ench., 2. p. 76. ; Don's Mill., i. p. 302. 



Synonymc. Cistus lasianthus Lnm. Diet., 2. p. 19. 



Engraving. ? Barrel. Icon., t. 2t)9. 



Spec. Char., Sfc. Stem suffrutirose, and much branched. Branches dark-cinereous, at top tomen- 



tosely hairy. Leaves almost sessile, ovatc-oblong, often blunt, keeled, of an obscure greyish 



colour, tomentose. Peduncles 1 — ^-flowered, hairy, very short. Calyx usually .i-sepaleil, very hairy. 



{Don's Mill., i. p. 302.) A shrub 3 ft, high, froin Spain, introduced in 182C, a]id producing its 



yellow flowers in June and July. 



«. 12. H. INVOLUCRA^TUM Pers. The involucrated^owerfft? Helianthemum, 



0?' Sim Hoxc. 



Identification. Pers. Ench., 2. p. 76. ; Don's Mill., 1. p. 302. 



Synoni/me. Cfstus involucritus Lam. Did., 2. p. 20. 



Spec. Char., Sjc. Branched, erect. Branches mthcr greyish, tomentose. Lower leaves stalked, some- 

 what ov.ite, small, hoary-tomentose ; upper ones oblong-lanceolate, sessile, greenish, and roughish. 

 Peduncles very short, surrounded by the leaves. Calyx 5-sepaled, inner ones hoary-tomentose, 

 outer ones linear, smoothish, and greenish. (Don's Mill.,i. p. 3<t2.) An erect shrub, 2 ft. high, 

 from Spain and Portugal, in 1826, which produces its yellow flowers in June and July. 



n. 13. H. CHEiRANTiiof DES PcTs. The Wallflower-like Helianthemum, or 



Sun Hose. 



Identification. Pers. Ench., 2. p. 76. ; Don's Mill., 1. p. ,303. 



Synonymes. Cistus cheiranthijldes Lam. Diet., 9.. p. 19. ; ? Cistus elongatus yahl. Symlt.,1. p. 38. 



Ci'stus /lalimifiilius, ii., Clus. Hist., 1. p. 71. 

 Engraving. Swt. Cist., t. 107. 



Spec. Char., Sic. Erect, branched ; younger branches villously tomentose, 

 hoary. Leaves tomentose, hoary, oblong-lanceolate, tapering into the foot- 

 stalks. Peduncles very short, 2-flowered. Calyx somewhat villous, 5- 

 sepaled, outer sepals very minute. {Don''s Alilf., i. p. .30.3.) An erect hand- 

 some bushy shrub, growing to the height of 3 ft., and producing yellow 

 flowers, without dark spots on the petals, in July and August. This very 

 handsome species. Sweet observes, was in the Bristol Nursery in 1828. 



«- \\. H. ca'ndidcm Sivt. The 'white-teaved Helianthemum, or Sun Rose. 



Identification. Swt. Cist., t. 25. ; Don's Mill., 1. p. 303. 

 Engraving. Swt Cist., t. 25. 



Spec. Char., S^c. Erect. Brauches leprou.sly white. Leaves, which are obovate- 

 lanceolate, equally white on both surfaces, and tapering to the base; some- 

 what stalked, up[)cr surface pilose, under s urface scabrous from papillas, 

 rather 3-nerved ; floral ones opposite, sessile, and green on both surfaces. 

 Peduncles long and rather pauicled, glabrous or with a few scattered hairs. 

 C!alyxcs witii 3 or 5 acute sepals, villous. Petals imbricated. (Don's 

 All//., i. p. 203.) A shrubby, erect, much branched plant, from Spain, with 

 bright yellow flowers from June till August. When it was introduced is 

 uncertain, but in 1826 it was in the Fulham Nursery, under the name of H. 

 algarvense. It is somewhat tender, but a highly ornamental .species, the 

 flowers resembling those of Calliopsis bicolor. 



