CISTINE^E. II. HELIANTHEMUM. 



313 



Cistus pilosus, D. C. fl. fr. 5. p. 823 ? Calyx larger than in 

 the preceding species. Petals white. 



Var. (3 ; angles or nerves of calyx pilose. 



Linear-leaved Sun-Rose. Fl. Ju. Aug. Clt. 1818. Sh. 1 ft. 



121 H. VIRGA'TUM (Pers. ench. p. 79.) stem suffruticose, 

 with twiggy, hoary, ascending or erect branches ; leaves linear, 

 hoary on the under surface, with revolute margins ; stipulas 

 linear-awl-shaped ; calyxes hoary, powdery, pubescent. tj H. 



Var. a, albiflbrum (D. C. prod. 1. p. 282.) leaves green on 

 the upper surface ; petals white. Jj H. Native of Barbary. 

 Cistus virgatus, Desf. all. 1. p. 432. 



Var. j3, roseum (D. C. prod. 1. c.) leaves canescent on both 

 surfaces ; petals rose-coloured, imbricate. J? . H. Native of ? 

 Sweet, cist. t. 79. 



Twiggy Sun-Rose. Fl. May, Jul. Clt. 1818. Sh. | foot. 



122 H. APENNI'NUM (D. C. fl. fr. 4. p. 824.) stem suffruticose, 

 branched ; branches spreading, hoary-tomentose ; leaves stalked, 

 oblong-linear, with the margins scarcely revolute, under surface 

 tomentose, upper surface glaucescent, but at length becoming 

 smooth ; stipulas awl-shaped, longer than the footstalks of the 

 leaves ; calyxes covered with very short villi, striated, cinereously- 

 glaucous, bluntish. tj . H. Native of Spain, France, Italy, 

 and Germany on dry hills in places exposed to the sun. Sweet, 

 cist. t. 62. Cistus Apenninus, Lin. spec. 744. ? Dill. elth. 170. 

 Cistus hispidus ft, Lam. diet. 2. p. 26. Petals white, distinct. 



Var. a. , leaves flatfish. 



Var. ft ; leaves linear, narrow. Cistus pilosus. Thib. herb. 

 Gouan. fl. monsp. p. 265 ? 



Apennine Sun-Rose. Fl. May, Jul. Clt. 1731. Sh. \ foot. 



123 H. HI'SPIDUM (Dunal, ined. and D. C. prod. 1. p. 282.) 

 stem suffruticose, branched ; branches ascending, hoary-tomen- 

 tose ; leaves stalked, oblong, bluntish, somewhat mucronate, 

 with revolute margins, under surface hoary, upper surface 

 roughish, greenish-glaucous ; calyxes covered with long hairs. 

 Tj . H. Native of the south of France. Cistus hispidus, Lam. 

 2. p. 26. Brot. fl. lus. 2. p. 271. Cistus pilosus (3, Gouan. fl. 

 monsp. p. 265. H. marjoranaefolium ft. D. C. fl. fr. suppl. 

 p. 625. Petals white, imbricate. 



Hispid Sun-Rose. Fl. May, July. Clt. 1816. Sh. J to 1 ft. 



124 H. PULVERULE'NTUM (D. C. fl. fr. 4. p. 823.) stem suffru- 

 ticose, much branched, prostrate ; branches hoary-tomentose ; 

 leaves oblong-linear, with revolute margins, obtuse, under sur- 

 face hoary, upper surface glaucous ; stipulas subulate, ciliated, 

 longer than the footstalks of the leaves ; calyxes hoary, minutely 

 tomentose-pubescent. Tj . H. Native of France on sterile hills. 

 Sweet, cist. t. 29. Cistus pulverulentus, Pour. act. toul. 3. 

 p. 311. Cistus polifolius, Lam. diet. 2. p. 26. but not of Liu. 

 Petals white. 



Powdered-leaved Sun-Rose. Fl. May, June. Clt. ? Shrub 

 prostrate. 



125 H. MACRA'NTHUM (Sweet, cist. t. 103.) stem suffruticose; 

 branches procumbent, rather tomentose ; leaves flat, ovate- 

 oblong, acutish, smooth above and densely tomentose beneath, 

 pale, cinereous ; stipulas rather pilose, about equal or longer 

 than the petioles ; calyx striated, pilose ; petals distinct. >j . H. 

 Native of? Flowers whitish, but yellow at the base. 



Var. ft, multiplex (Sweet, cist. t. 104.) lower leaves roundish; 

 flowers double, whitish, but yellow towards the base of the petals. 



Large-flowered Sun-Rose. Fl. May, Sept. Clt. ? Shrub pro- 

 cumbent. 



126 H. RHODA'NTHUM (Dunal, ined. and D. C. prod. 1. p. 

 282.) stem suffruticose, procumbent ; branches rather tomentose, 

 and hoary ; leaves oblong, with revolute margins, under sur- 

 face hoary-tomentose, upper surface greenish-glaucous ; stipulas 

 awl-shaped, pilose and bristly at the top ; calyxes covered with 

 short, white tomentum. \ . H. Native of Spain. Sweet, 



VOL. i. PART iv. 



cist. t. 7. Cistus roseus, Jacq. hort. vind. 3. p. 65? Cistus an- 

 gustifolius, formerly in hort. reg. paris. Cistus piluliferus. 

 Thib. ined. Very like H. puherulentum, but the flowers are 

 rose-coloured. Petals imbricate. 



Var. a, oblongifblium (D. C. prod. 1. p. 283.) branches 

 clothed with canescent tomentum ; leaves oblong ; flowers rose 

 or red-coloured. 



Var. ft, subhirsiltmn (D. C. prod. 1. c.) branches clothed with 

 canescent tomentum ; leaves and calyxes rather hairy ; flowers 

 rose-coloured or red. 



Var. y, cdrneum (Lag. in litt. D. C. prod. 1. c.) branches al- 

 most glabrous ; leaves almost linear ; pedicels hoary-tomentose ; 

 flowers flesh-coloured. Probably a distinct species. 



Red-flomered Sun-Rose. Fl. May, 1 July. Clt. 1800. Shrub 

 procumbent. 



127 H. CANE'SCENS (Sweet, cist. t. 51.) stem suffruticose, 

 branched, diffuse ; branches ascending, rather tomentose, canes- 

 cent ; leaves flat or hardly revolute at the margins, under surface 

 tomentosely-hoary, upper surface greenish- glaucous ; lower leaves 

 ovate- oblong, obtuse, upper ones lanceolate, acute ; stipulas 

 linear, ciliated, somewhat longer than the footstalks ; calyxes 

 srnoothish, but with the nerves pubescent ; petals imbricated. 

 T^ H. Native? Petals reddish- crimson, with a small orange 

 spot at the base of each. 



Canescent-\ea.ve& Sun-Rose. Fl. May, Aug. Clt. ? Shrub 

 procumbent. 



128 H. CONFU'SUM (Sweet, cist. t. 91.) stem suffruticose; 

 branches procumbent, smoothish, rather tomentose at the apex ; 

 leaves oblong, ovate, bluntish, rather flat, under surface tomen- 

 tose, hoary, upper surface glabrous, green; stipulas and bracteas 

 linear, green, ciliated ; calyxes striated, smoothish, rather shining ; 

 petals slightly imbricate. Tj . H. Native of France and Spain. H. 

 polifolium, D. C. prod. 1 . p. 283. Petals white, yellow at the base. 



Confused Sun-Rose. Fl. May, July. Clt. ? Shrub pro- 

 cumbent. 



129 H. LANCEOLA'TUM (Sweet, cist. t. 100.) stem suffruticose, 

 much branched, procumbent ; branches ascending, smoothish, 

 hoary-tomentose at the apex ; leaves lanceolate, acute, with 

 somewhat revolute margins, green and smoothish above, but 

 hoary-tomentose beneath : stipulas awl-shaped, linear, longer 

 than the footstalks of the leaves ; sepals smoothish or rather 

 pilose ; petals imbricate. Jj . H. Native of? Petals white, 

 marked with yellow at the base. Stamens yellow. 



Lanceolatc-\ea.ved Sun-Rose. Fl. May, August. Clt. 1818. 

 Shrub procumbent. 



130 H. POLIFOLIUM (Pers. ench. 2. p. 80.) stem suffruticose, 

 branched ; branches procumbent, densely tomentose, leaves 

 oblong-linear, with revolute margins, hoary-tomentose on both 

 surfaces ; stipulas narrow, linear, obtuse, longer than the pe- 

 tioles, and are as well as bracteas tomentose and ciliated : 

 petals distinct, crenulated. >j . H. Native of England on stony 

 hills near the sea-side, particularly on Brent Downs, Somerset- 

 shire, also at Babbicome near Newton Abbot, and Tor Hill, 

 near Torquay, Devonshire. Cistus polifolius. Lin. spec. 745. 

 Smith, engl.bot. 1322. Dill. elth. 175. t. 145. f. 172. Flowers 

 white, marked with yellow at the base. 



Folium-leaved Sun-Rose. Fl. May, Aug. England. Shrub 

 procumbent. 



131 H. MUTA'BILE (Pers. ench. 2. p. 79.) stem suffruticose ; 

 branches procumbent, rather tomentose ; leaves flat, ovate-oblong ; 

 acutish, upper surface glabrous, under surface tomentose, pale-ci- 

 nereous ; stipulas rather pilose, generally equal in length with the 

 footstalks of the leaves or longer ; calyxes striated, smoothish ; 

 petals imbricate. J?. H. Native of Spain. Sweet, cist. 106. 

 Cistus mutabilis, Jacq. icon. rar. 1. t. 99. Misc. 2. p. 340. 

 Very nearly allied to H. poli/blium, 



S s 



