R.UBUS. 99 



prickles strong hooked, cal. tomentose hairy, pet. obovate much 

 narrowed below. — R. fruticosus R. G. 7. — St. roundish at the 

 base, often nearly suberect, with scattered stellate down. L. 

 usually softly tomentose beneath ; term. It. usually ovate or ob- 

 long, gradually and shortly acuminate, rather coarsely and doubly 

 serrate. — R. argenteus (Lees !) is a form with more stellate down 

 on the St., underside of 1. and calyx. — I place var. macroacan- 

 thus (Bell Salt.) with R. discolor ; that of Bloxam here. — Hedges 

 and thickets. Sh. VII. VIII. 



14. B. rfJscoZor (W. and N.) ; s*. arched angular furrowed «<eZ- 

 lately downy, prickles declining or deflexed from a long base, /. 

 5-nate coriaceous white closely tomentose beneath, pan. long nar- 

 row, few lower branches axillary many-flowered, upper short 

 close together corymbose, prickles strong hooked, cal. closely 

 tomentose, pet. roundish-obovate clawed. — R. G. i!0. R. fruti- 

 cosus Sm. E. B. 715. — St. nearly prostrate unless supported, 

 often seeming glabrous. Prickles large, compressed. L. usually 

 hairless beneath or slightly hairy on the ribs only, tomentum hard; 

 term. It. gradually obovate or oblong, abruptly acuminate; all 

 often with decurved edges. — Hedges and thickets. Sh.VII.VIII. 



15. R. leucostachys (Sm.); st. arched saigulax stellately downy 

 and with clustered hairs, pvick\es shghtly declining, 1.5-na.te grey 

 or white shining soft tomentose and hairy beneath, term. It. 

 elliptic or I'ound cuspidate, pan. long tomentose and hairy, 

 branches all short few-flowered spreading, prickles slender 

 straight, cal. tomentose hairy setose. — E. B. 2631. R. leucosta- 

 chys and R. Leightonianus Bab., R. vestitus R. G. 33. — St. often 

 nearly round, sometimes furrowed ; stellate down abundant, often 

 lax ; hairs mostly clustered, with bulbous bases, sometimes ; 

 rarely a few subsessile glands or setae. L. often pilose above ; 

 term. It. round in deep shade, more elliptical when exposed, often 

 subcordate. Fl.-shoot hairy throughout ; prickles yellow, from 

 a large base. — Hedges and thickets. Sh. VII. VIII. E. I. 



16. R. carpinifolinsCW. and N.) ; st. arched angular patently 

 hairy (hairs soUtary and clustered) sometimes slightly stellately 

 downy, prickles moderate conical compressed slender declining, 

 1. 5-nate pilose above pale green and hairy or grey and tomentose 

 beneath, term. It. elliptic eUiptic-obovate or roundish pointed, 

 pan. narrow racemose leafy below very hairy setose, branches all 

 short ascending few-flowered or lower elongated, prickles de- 

 cUning, cal. very hairy. — R. G. 13. R. vulgaris R. G. 12. R. 

 carpinifoUus E. B. S. 2664 is different. — St. sometimes 

 nearly round ; stellate down 0, or very slight ; subsessile glands 

 rather many ; setae rare ; prickles very regularly and gradually 

 attenuated. — a. R. carpinifoUus (W. and N.) ; st. often nearly 

 suberect ultimately arched and rooting, term. It. elliptical acu- 



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