41 



HELIANTHEMUM ledifolium 



Ledum-leaved Sun- Rose. 



Sect. V. BRACHYPETALUM. Calyx 5-sepalus, sepalis externis 

 minutis, internis trinerviis acuminatis. Petala lutea, interdum basi 

 maculata, parva, saepe calyce breviora. Stamina pauca 10-20, ova- 

 rium cingentia. Stylus rectns et erectus apice incrassatus. Stigma 

 simplex. Ovarium triquetrum, angulis ssepe pilosis. Capsula trique- 

 tra, subnitida. Semina numerosa, minuta, pallida, angulosa. Herbae 

 annuce. Folia stipulata, petiolata, penninervia, subdenticulata, oppo- 

 sita,floralia alterna. Stipulas oblongo-lineares, superiores longiores. 

 Pedunculi uniflori, breves, solitarii, rarb axillares, scepius oppositi- 

 folii vel oppositibractei, suberecti, horizontals vel retrofracti. DC. 

 prodr. 1. p. 271. 



* Pedunculis suberectis foliis brevioribus, sepalis internis trinerviis. 



H. ledifolium, caule herbaceo, ramis pubescent! bus erectis vel ad- 

 scendentibus, foliis oppositis breviter petiolatis oblongo-ellipticis 

 subdenticulatis glabriusculis junioribus stellato-pubescentibus ; su- 

 perioribus alternis floribus oppositis, omnibus stipulatis, pedun- 

 culis erectis et calycibus acuminatis pubescentibus, capsulis mag- 

 nis giabris. 



Helianthemum ledifolium. DC. prodr. 1. p. 272. Spreny. syst. v. 2. 

 p. 589. n. 34. Pers. syn. 2. p. 7. Swt. hort. brit. p. 35. n. 26. 



Cistus ledifolius. Linn. spec. 742. Smith Engl. hot. 2414. Comp.fi. 

 brit. ed. 4. p. 95. 



Annual. Stem erect, simple, or scarcely branched, 

 smoothish, or sometimes clothed with short loose pu- 

 bescence, from 4 inches to a foot in height. Leaves op- 

 posite, with short footstalks, the upper ones alternate, 

 oblongly elliptic, bluntish, denticulate, old ones smooth- 

 ish, glossy; young ones clothed with a short tomentum, 

 and fascicles of short starry hairs, nerve underneath pin- 

 nately branched : upper side of a bright green, under- 

 neath paler, margins clothed with little fascicles of short 

 hairs, which are seated on minute tubercles, or small 

 teeth. Petioles clothed with little tufts of hairs. Sti- 

 pules large, leaf-like, lanceolately linear, taper-pointed, 



M 



