ROSACEiE. 205 



R. bractescens, Woods. Bracteated Dog-Rose, Jos. Woods, in 

 Lin. Trans. — Prickles hooked. Leaflets simply serrated, downy 

 beneath; bracts overtopping the fruit. Calyx-tube round. 

 Styles woolly. Fruit roiind. 



Westmoreland. Shrub. June, July. 



Apparently a variety of R. canina, Hooker and Arnott. 



The two following are described as species by some botanists : — 



R. systyla, Sm. United-styled Rose. — e.b. 1895. — Leaflets 

 5-7, with simple serratures. Sepals nearly entire. Styles united. 

 Fruit elliptical, smooth ? (See Sec. II. § 2, infra.) 



R. ccesia, Sm. Glaucous-leaved Dog-Rose. — e.b. 2367. l.c. 

 351^. — A much-branched shrub. Prickles strongly and uni- 

 formly hooked, numerous. Ijeaflets 5, serrated and glandular at 

 the edges, smooth or downy. Stipules large, with short, broad 

 tips. Calyx-divisions sparingly pinnatifid. Fruit elliptical, 

 smooth. 



Var. /9, incana. — Prickles strongly uncinate, from a much 

 lengthened base. — Hooker and Arnott, who say, " We do not 

 distinguish this from R. canina." 



The area, range, etc., of these varieties have not yet been de- 

 termined. 



/3, R. sarmentacea, Woods. — e.b.s. 2595. — Leaflets keeled, 

 smooth. Calyx-divisions long, pinnatifid. Fruit elliptical, with 

 a longish collar. 



7, R. surculosa, Woods. — Leaflets flat, smooth, with unequal 

 serratures. 



h, R. dumetorum, Woods. — e.b.s. 2610. — Leaflets simply ser- 

 rated, hairy, with glandular petioles and stipules on very short 

 stalks. Fruit oblong-elliptical, with a short collar. 



e, R. Forstet'i, Sm. — e.b.s. 2611. — Leaflets more or less folded. 

 Fruit ovate-roundisli, with a short, tapering collar. 



§ 2. EUBIGINOSJj). 



R. sepium, Thuil. Small-leaved Sweet-Briar. — e.b.s. 2653. 

 L.c. 350^. 



Shrub 3-4 feet high, with numerous large and hooked and 

 small straight or subulate prickles, interspersed with setse 

 (bristles). Leaflets 5-7, serrated, glandular on both margin and 

 disc. Divisions of the calyx mostly entire (simple), glandular at 

 the margin. Fruit smooth, ovate-elongate, with a longish thick 

 neck, crowned by the diverging divisions of the calyx. 



