CHAP. XI. _CISTA‘CEA. HELIA’NTHEMUM. 337 
Spec. 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 14 ft. in height, and produces its yellow flowers from June to August. 
It isan 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 Stipules. 
« 27. H.vm‘ve Pers. The smooth Helianthemum, or Sun Rose. 
Identification, Pers. Ench., 2. p. 78.; Don’s Mill., 1. p. 307. 
Synonymes. Cistus levis Cav. Icon., 2. p. 35. t. 145. f. 1 
Engravings. Cav. Icon., 2. t. 145. f. 1. 
Spec. Char., &c. Stem erectish, glabrous, branched. Branches erect. Leaves linear, sessile, glabrous, 
with revolute margins, keeled, opposite ; upper ones alternate, stipulate, Stipules long, awl-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 ft. high, and produces its yellow flowers in June and July. 
w 28. H. vi‘ripe Tenore. The green-leaved Helianthemum, or Sun Rose. 
Identification. Tenor. Prod. Fl. Neap., p. 31. ; Don’s Mill., 1. p. 508. 
Spec. Char., &c. Stem ascendent, glabrous. Leaves opposite, linear, with revolute margins, glabrous, 
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 Miil., i. p. 308.) Introduced 
_ from Sicily in 1825, where it is a shrub 1 ft. in height, producing yellow flowersin June and July. 
2 29. TH. gunipe’rinum Lag. The Juniper-like Helianthemum, or 
Sun Rose, 
Identification, ag. in. Litt., and Dec. Prod., 1. p. 275.; Don’s Mill., 1. p. 308. 
Synonymes. Cistus le’vipes Durand, Gouan Fl. Monsp., 263.?; Cistus mauritanicus Thib. ined., 
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 
Miil., i. p. 308.) A shrub 1 ft. in height, introduced from the south of Europe in 1800, and pro- 
ducing its yellow flowers from June to August. 
» 30. H. Barrevie‘r7 Tenore. Barrelier’s Helianthemum, or Sun Rose. 
Identification. Tenor. Prod. Fl. Neap., p. 31.; Don’s Mill., 1. p. 308. 
Engravings. Barrel. Icon, rar., 416. ; Bot. Mag., t. 2371. 
Spec. Char., §c. 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 Miil.,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. 
2. 31. H. ruyairo‘tium Pers. The Thyme-leaved Helianthemum, or Sun Rose. 
Identification. Pers. Ench., 2. p. 79.; Don’s Mill., 1. p. 308. 
Synonymes. Cistus thymifolius Lin. Sp., 743., Smith's Fl. Grec., t. 500., Barrel. Icon, rar., t. 444.5 
H. glutindsum f, Fi. 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, glutindsum ~. : 
Spec. Char., $c. Stems procumbent. Branches pubescent. Leaves almost 
linear, very short, pubescent, opposite, upper ones alternate. Stipules 
mucronate, erect. Peduncles few-flowered, clothed with clammy _ hairs. 
(Dons Mill., i. p. 308.) A native of Spain, which has been in cultivation 
in British gardens since 1658. It is a pretty little dwarf 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 
Cistacez for being kept in pots. 
« 32. H. GLurino‘sum Pers. The clammy Helianthemum, or Sun Rose, 
Identification. Pers. Ench., 2. p. 79.; Don’s Mill., 1. p. 308. 
aenonam. Cistus glutindsus Lin. Mant., 246. 
ngravings. Swt. Cist., t. 83. ; Barrel. Icon, rar., 512. t. 415.2; Cav. Icon., 2. t. 145. f. 2. 
Spec. Char., §c. Stem ascendent. Branches clothed with clammy hairs, 
somewhat cinereous. Leaves almost linewr, with revolute margins, villous, 
RB 2 
