CISTACE.E. y 



SPECIES II.— HELIANTHEMUM CANUM. Dunal. 



Plate CLXVII. 

 Cistus marifolius, Linn. Sm. Eng. Bot. No. 396. 



Root perennial. Stems shrubby, procumbent, branched. Leaves 

 opposite, shortly stalked, oval, elliptical, or oblong, with stellate 

 pubescence and strigose white hairs. Stipules none. Inner sepals 

 about twice as long as the outer ones, oval, acute, with distinct 

 ribs clothed with white hairs but no black dots. Petals longer than, 

 the sepals, yellow, concolorous. 



Var. a, genuina. 



H. canum, Reich. Ic. Fl. Germ, et Helv. Vol. III. Cist. Tab. XXVII. Fig. 4.534. 



Leaves with a felt of stellate hairs both above and beneath, 

 and with long strigose hairs on the upper surface, margins, 

 midrib, and petioles. Sepals thickly covered with stellate pube- 

 scence and long spreading white hairs upon the ribs and margins. 



Var. 3, vineale. 



H. vineale, "Pers." Reich. Ic. Fl. Germ, et Helv. Vol. III. Cist. Tab. XXVII. Fig. 4533. 



Leaves with a felt of stellate pubescence on the under side, 

 nearly glabrous on the upper surface where there are a few white 

 hairs as well as on the margins and midrib beneath. Sepals with 

 stellate pubescence and short adpressed white hairs on the edges 

 and veins. 



On limestone hills. Eare. Var. a at Porteynon, Gower, in 

 Glamorganshire ; Great Orme's Head, Carnarvonshire ; Disserth, 

 Plint ; Humphrey Head, Lancashire ; Kendal Pell, Westmoreland. 

 Var. 3. on Cronkley Pell, Teesdale. One or other of these grows 

 in Anglesea ; probably var. a. A plant from Great Arran Island, 

 Galway, is intermediate between var. a. and var. ^J though nearer 

 the former in habit. 



England, Ireland. Shrub. Summer. 



Stem procumbent, woody, diffusely branched ; the flowering 

 shoots herbaceous, 2 to 4 inches high, ascending or erect. Leaves 

 :^ to f inch long, very variable in shape ; those of the barren 

 shoots narrower than those on the flowering ones, on the lower part 

 of which they are sometimes .even obovate or oval, though more 

 generally elliptical. Plowers f to f inch across, in a sub-distichous 

 raceme. Bracts small, sometimes absent. Style elongated, with a 

 bridge-like bend at the base. Pruit j^edicels spreading or reflexed, 

 but inflexed at the apex, longer than the sepals. Capsule about as 



VOL. II. C 



