CHAP. XI. 



ClSTA^CEJE. HELIa'nTHEMUM. 



337 



S2}ec. Char., <^c. Stem ascendent. Leaves stipulate, setaceous, glaucous, 

 smoothish. Buds leafy, axillary. Stipules long, filiform. Peduncles long, 

 disposed in secund racemes. Pedicels glabrous, and bracteate at the base. 

 Calyxes hairy. {Don^s Mill., i. p. 307.) A native of the south of Provence, 

 Spain, and Dalmatia, on rocks exposed to the sun, where it forms an under- 

 shrub \\ ft. in height, and produces its yellovs' flowers from June to August. 

 It is an elegant little plant, but rather tender during winter. Plants of it 

 were in Mr. Colvill's Nursery in 1825. 



C. Leaves opposite and alternate, furnished with Stipides. 



s*. 27. H, l^eVe Pct's. The smooth Helianthemum, or Sun Rose. 



Lleniification. Pers. Ench., 2. p. 78. ; Don's Mill., 1. p. 307. 

 Synonymes. Cistus Ite^vis Cav. Icon., £. p. 35. t. 145, f. 1. 

 Engravings, Cav. Icon., 2. t. 145. f. 1. 



Spec. Char., S;c. Stem erectish, glabrous, branched. Branches erect. Leaves linear, sessile, glabrous, 

 v.'ith revolute margins, keeled, opposite; upper ones alternate, stipulate. Stipules long, aw^l-shaped. 

 Peduncles solitary, 1. flowered, subterminal. Calyxes smooth. {Don's Mill., i. p. 307.) Found 

 wild on the hills of Spain, and raised in England from seeds sent to the Chelsea Botanic Garden 

 in 1826. It grows 1 it. high, and produces its yellow flowers in June and July. 



It. 28. H. vi'ride Tenore. The gv&en-leaved Helianthemum, or Siin Rose. 



Identification. Tenor. Prod. El. Neap., p. 31. ; Don's Mill., 1. p. SOS. 



Spec. Cliar., ^-c. Stem ascendent, glabrous. Leaves opposite, linear, with revolute margins, glabrou.«, 

 green, somewhat mucronate, stipulate. Stipules awl.shaped, much smaller than the leaves. Pe- 

 duncles racemose, beset with clammy hairs, as well as the calyx. {Don's Mill., i. p. 308.) Introduced 

 from Sicily in 1825, where it is a shrub 1 ft. in height, producing yellow flowers in June and July. 



tt 29. H. j-dnipe'einum Lag. The Juniper-like Helianthemum, or 



Sun Rose. 



Identification. Lag. in. Litt., and Dec. Prod., 1. p. 275. ; Don's Mill., 1. p. 308. 



Synonynies. Cistus U-e'vipes Durand, Gouan Fl. Monsp., 263. ? ; CIstus maurit&nicus Thib. incd.. 



Barrel. Icon., t. 443. 

 Engraving. Barrel. Icon., t. 443. 



Spec. Char. §c. Stem ascendent, branched. Leaves linear awl-shaped, ciliated, mucronate, flat, 

 with rather revolute margins, opposite; upper leaves alternate. Stipules awl-shaped, upper ones 

 longest. Peduncles racemose, and are, as well as the calyxes, clothed with clammy hairs. {Don's 

 Mill., i. p. 308.) A shrub 1 ft. in height, introduced from the south of Europe in 1800, and i)ro- 

 ducing its yellow flowers from June to August. 



H. 30. H. Barrelie'r/ Tenore. Barrelier's Helianthemum, or Sun Rose. 



Identiflcation. Tenor. Prod. Fl. Neap., p. 31. ; Don's Mill., 1. p. 308. 

 Engravings. Barrel. Icon, rar., 416. ; Bot. Mag., t. 2371. 



Spec. Char., Sfc. Stem erect. Branches villously pubescent. Leaves linear-oblong, narrowed at the 

 base, pubescent, with revolute and ciliated margins, opposite; upper leaves alternate. Stipules 

 linear awl-shaped, mucronate, erect. Peduncles racemose, few-flowered, and are, as well as the 

 calyxes, beset with clammy hairs. {Don's Mill., i. p. 308.) Found wild in Italy and Spain, where 

 it grows 1 ft. high. It was introduced in 1820, and produces yellow flowers from June to August 

 It is rather tender. 



31. H. thymifo'lium Pers. The Thyme-leaved Helianthemum, or Sun Rose. 



Identification. Pers. Ench., 2. p. 79. ; Don's Mill., 1. p. 308. 



Synonymes. Cistus ?hymifblius Lin. Sp., 743., Smith's Fl. GrcBC, t. 500., Barrel. Icon, rar., t. 444 • 



H. glutinosum /3, Fl. Fr. 4. p. 821. 

 Engravings. Swt. Cist, t. 102. ; Sm. Fl. Gr., t. 500. ; Barrel. Icon, rar., t. 444. ; Fl. Fr., 4. p 821 



under H. glutinSsum /3. 



Spec. Char., 4'c. Stems procumbent. Branches pubescent. Leaves almost 

 linear, very short, pubescent, opposite, upper ones alternate. Stipules 

 mucronate, erect. Peduncles fevv-fiowered, clothed with clammy hairs. 

 (Don's Mill, i. p. 308.) A native of Spain, which has been in cultivation 

 in British gardens since 1658. It is a pretty little dwai'f thyme-looking 

 plant, and produces abundance of small bright yellow flowers from June to 

 August ,• and it often ripens seeds. It is one of the most desirable of the 

 Cistaceae for being kept in pots, 



tt. 32. H. GLUTiNo^suM Pers. The clammy Helianthemum, or Sun Rose. 



Identification. Pers. Ench., 2. p. 79. ; Don's Mill., 1. p. 308. 

 St/Ttoni/me. Cistus glutin5sus Lin. Mant., 246. 



Engravings. Swt. Cist., t. 83. ; Barrel. Icon, rar., 512. t. 415. ? ; Cav. Icon., 2. t. 145. f. 2. 



Spee. Char., c^t. Stem ascendent. Branches clothed with clammy hairs, 

 somewhat cinereous. Leaves almost linear, with revolute margins, villous' 



R B 2 * 



