302 



CISTINEjE. II. HELIANTHEMUM. 



Pursh. Barrel, icon. 294. Ledon VIII. Clus. hist. I. p. 80. 

 icon. Petals yellowish. Style one-half shorter than the sta- 

 mens. Stigma small. 



Rosemary-\ea\ed Sun-Rose. Fl. Ju. July. Clt. 1752. Shrub 

 1 foot. 



2 H. UMBELLA'TUM (Mill. diet. no. 5.) suffruticose, branched, 

 younger branches tomentosely-pilose, clammy ; leaves sessile, 

 linear-oblong, with revolute margins, clammy, under surface to- 

 mentose; peduncles 1 -flowered, disposed in whorled racemes, 

 terminal, umbellate ; calyx S-sepalled, villous. 1? . F. Native of 

 France, Spain, and Portugal. Cistus umbellatus, Lin. spec. 739. 

 Petals white, imbricate. Style one-half shorter than the sta- 

 mens. Stigma small. 



Var. a, erectus (B.C. prod. 1. p. 267.) stem erect ; leaves 

 on the under surface clothed with greenish tomentum. Sweet, 

 cist. 5. Cistus umbellatus, Lam. diet. 2. p. 18. Cistus verti- 

 cillatus, Brot. fl. lus. 2. p. 262. LMon X. Clus. hist. 1. p. 80. 



Var. ft, subdecumbens, (D. C. prod. 1. p. 267.) stem some- 

 what decumbent : leaves somewhat ciliated, clothed with white 

 tomentum on the under surface. Cistus umbellatus, a, Lam. 

 diet. 2. p. 18. Brot. fl. lus. 2. p. 262. 



Umbellate-flowered Sun-Rose. Fl. June, August. Clt. 1731. 

 Shrub 1 foot. 



3 H. OCYMOI'DES (Pers. ench. 2. p. 76.) erect, branched ; 

 branches hoary ; cauline leaves obovate, or ovate-oblong, 3- 

 nerved, almost sessile, green, those of the branches are stalked 

 and keeled on the back, reflexed at the top, hoary on both sur- 

 faces ; peduncles long, branched, paniculate ; pedicels opposite, 

 somewhat umbellate ; calyx of 3 much-pointed |sepals. fj . F. 

 Native of Spain and Portugal. Cistus ocymoides, Lam. diet. 2. 

 p. 18. Cistus sampsucifolius, Cav. icon. 1. p. 65. t. 96. Clus. 

 hist. 1. p. 72. icon. Petals distinct, yellow, spotless, or marked 

 with a dark purple spot at the base of each. Stamens dark 

 purple at the top, and yellow at the base. 



Far. a, peduncles glabrous. 

 Var. ft, branches and peduncles rather hairy. 

 Ocymmn-like Sun-Rose. Fl. June, August. Clt. ? Shrub 

 3 feet. 



* * Style almost none; stigma large. 



4 H. ALYSSOI'DES (Vent, choix. t. 20.) erect, much branched, 

 diffuse, spreading ; branches hoary, tomentosely-hairy at the 

 top ; leaves sessile, tapering towards the base, oblong-ovate, 

 bluntish, covered with short hairs, younger ones rather hoary, 

 adult ones green ; peduncles terminal, solitary, or umbellate, 1-2- 

 flowered, longer than the leaves ; calyx 3-sepalled, acuminated, 

 hairy. Tj . F. Native of Spain and west of France. Cistus 

 alyssoides, a, Lam. diet. 2. p. 20. D. C. fl. fr. 4. p. 818. Pe- 

 tals yellow. Flower-bud of an intense purple-colour at the top. 



Alyssum-Uke Sun-Rose. Fl. June, Aug. Clt.? Shrub 3 ft. 



5 H. RUGOSUM (Dunal, ined. in. D. C. prod 1. p. 268.) erect ; 

 branches rather hairy, clothed with leprous tomentum, scabrous, 

 of a brownish-grey colour ; leaves sessile, tapering out into the 

 footstalks at the base, obovate-oblong, bluntish, rather oblique, 

 with the margins somewhat denticulated, and a little curled, to- 

 mentose on both surfaces, wrinkled, under surface hoary ; pedun- 

 cles terminal, axillary, or umbellate, 1-3-flowered, hairy, shorter 

 than the leaves ; calyx 3-sepalled, hairy. >j . F. Native of 

 Spain. Sweet, cist. t. 65. Petals yellow, crenulated, imbricate, 

 with a large dark mark at the base. 



Wrinkled-leaved Sun-Rose. June, August. Clt. 1800. Shrub 

 3 feet. 



6 H. MICROPHY'LLUM (Sweet, cist. t. 96.) much branched, 

 erect ; branches blackish-grey, hairy-tomentose at the apex ; 

 leaves almost sessile, obtuse, keeled, tapering to the base, ob- 



scurely greyish, tomentose ; flowers terminal, panicled ; pedun- 

 cles hairy-tomentose ; pedicels 1-3-flowered, very short ; calyx 

 of 3 sepals, very hairy ; petals cuneated, distinct. Tj . F. Na- 

 tive of the west of France, near Bordeaux. H. rugosum, ft. 

 microphyllum, D. C. prod. 1. p. 268. H. alyssoides, ft. micro- 

 phyllum, D. C. fl. fr. suppl. p. 622. A weak shrub. Petals 

 yellow, with a dark purple spot at the base of each. 



Small-leaved Sun-Rose. Fl. June, August. Clt. 1800. Shrub 



2 feet. 



7 H. SCABROSUM (Pers. ench. 2. p. 76.) erectish ; branches 

 pilosely-tomentose, scabrous, canescent ; leaves sessile, tapering 

 to the base, oblong-ovate, acutish, roughish, 3-nerved, with 

 waved revolute margins, upper surface green, under surface clothed 

 with grey tomentum ; peduncles terminal, 1-2-flowered, shorter 

 than the leaves ; calyx 3-sepalled, hairy ; petals distinct. Tj . F. 

 Native of the north of Portugal. Sweet, cist. 81. Cistus sca- 

 brosus, Ait. hort. kew. 2. p. 236. Brot. fl. lus. 2. p. 265. 

 Flowers yellow. 



Rough Sun-Rose. Fl. June, Aug. Clt. 1775. Shrub 3 ft. 



8 H. ALOARVE'NSE (Dun. ined. in D. C. prod. 1. p. 268.) stem 

 branched ; leaves sessile, ovate-lanceolate, obtuse, hoary on the 

 under surface, upper surface green, pilose ; peduncles some- 

 what panicled, pilose ; calyx 3-sepalled, acute, hairy. Tj . F. 

 Native of Portugal, in the Algarves. Sweet, cist. t. 40. Cistus 

 Algarvensis, Curt. hot. mag. 627. H. Algarvense, Tourn. inst. 

 250. ? Branches, leaves, peduncles, and sepals, beset with long 

 loose hairs. Petals yellow with a dark base, crenated, at length 

 distinct. 



Algarve Sun-Rose. Fl. June, August. Clt. 1800. Shrub 



3 feet. 



9 H. FORMOSUM (Dunal. ined. and D. C. prod. 1. p. 268.) 

 erect ; branches tomentosely-villous, canescent ; leaves on short 

 footstalks, obovate-lanceolate, tomentosely-villous, younger ones 

 hoary ; peduncles and calyxes villous ; calyx 3-sepalled. Jj . F. 

 Native of Portugal. Cistus formosus, Curt. bot. mag. 264. 

 Petals large, yellow, marked with a black spot at the base of 

 each. 



Beautiful Sun-Rose. Fl. May, July. Clt. 1780. Shrub 4 

 feet. 



10 H. ATRIPLICIFOLIUM (Willd. enum. 569.) erect; branches 

 white from leprous tomentum ; leaves stalked, broad-ovate, 

 bluntish, waved at the base, covered with leprous tomentum on 

 both surfaces ; peduncles racemose, hairy ; calyx hairy, 3-sepal- 

 led, rarely 5-sepalled, with the two outer ones very minute. 

 Jj . F. Native of Spain. Cistus atriplicifolius, Lam. diet. 2. 

 p. 19. Barrel, icon. t. 292. Upper leaves sessile. Pili long, 

 rufescent. Petals large, yellow. 



A triplex-leaved Sun-Rose. Fl. Ju. July. Clt. 1656. Shrub 

 4-6 feet. 



1 1 H. LASIA'NTHUM (Pers. ench. 2. p. 76.) stem suffruticose, 

 much branched; branches dark-cinereous, at top tomentose- 

 hairy ; leaves almost sessile, ovate-oblong, often blunt, keeled, 

 of an obscure greyish colour, tomentose ; peduncles 1-2-flowered, 

 hairy, very short ; calyx usually 3-sepalled, very hairy. Tj . F. 

 Native of Spain. Cistus lasianthus, Lam. diet. 2. p. 19. 

 Barrel, icon. t. 289 ? Peduncles, calyxes, and younger leaves 

 beset with long white hairs. Calyx sometimes 5-sepalled, with 

 the two outer sepals very narrow and smoothish at the top. 

 Petals yellow, with or without a dark spot at the base of each. 



Hairy-flowered Sun-Rose. Fl. Ju. Jul. Clt. 1826. Shrub 3 ft. 



12 H. INVOLUCRA'TUM (Pers. ench. 2. p. 76.) branched, erect ; 

 branches rather greyish, tomentose ; lower leaves stalked, some- 

 what ovate, small, hoary-tomentose, upper ones oblong-lanceo- 

 late, sessile, greenish, and roughish ; peduncles very short, sur- 

 rounded by the leaves ; calyx 5-sepalled, inner ones hoary-to- 

 mentose, outer ones linear, smoothish, and greenish. fj . F. 



