120 26. ROSACEJE. 



acute teeth remarkably directed forwards. Pan. often nearly 

 simple, cylindrical. Pet. white or reddish. Open places in 

 hilly districts. Sh. VII. VIII. E. S. I. 



20. R. villicaulis (W. & N.) ; st. arcuate angular patently pi- 

 lose, prickles strong conical-compressed subpatent from a dilated 

 compressed base, 1. quinate, Its. thin dentate-serrate pale green 

 and shining and often densely hairy but the hairs only on the 

 veins beneath, term. It. obovate or roundly cordate-obovate sub- 

 acuminate, pan. open compound leafy hairy subsetose felted its 

 branches corymbose its prickles declining or deflexed, sep. hairy 

 setose aciculate loosely reflexed from the fruit. JR. G. 17. 

 R. villicaulis and R. pampinosus Bab. St. becoming nearly 

 naked, rarely a few setaB and aciculi. /3. R. adscitus (Genev.) ; 

 st. aciculate and setose. R. vulyaris (Lindl.). Heads of seta3 

 very deciduous. Woods and hedges. Sh. VII. VIII. E. S. I. 



21. R. macrophyl'lus (Weihe); st. arcuate-prostrate angular 

 patently pilose, prickles short slender conical-compressed de- 

 clining from a large dilated compressed base, 1. quinate, Us. 

 doubly and patently dentate or irregularly dentate-serrate pilose 

 above pale green felted or velvety or hairy only on the veins 

 beneath, term. It. elliptic or roundly obovate or obovate cuspi- 

 date or acuminate more or less cordate, pan. hairy felted setose 

 its branches short few-flowered corymbose the lower axillary 

 subracemose and ascending its prickles declining, sep. ovate-at- 

 tenuate hairy felted setose loosely reflexed from the fruit. The 

 following forms have been considered species. a. R. um- 

 brosus (Arrh.); prickles slender from a large base, 1. quinate, 

 Its. doubly and patently dentate velvety or slightly felted beneath, 

 term. It. broadly obovate cuspidate, pan. with slender prickles, 

 tip of sep. linear, cor. rose-coloured. Stam. white, scarcely ex- 

 ceeding the dull styles. R. carpinifolius (Blox.). Term. It. 

 sometimes divided into three. /3. R. ntacrophyllus (W. & N.) ; 

 prickles small short from a very large base, 1. 5 3-nate, Its. 

 irregularly dentate-serrate hairy only on the veins or rarely 

 felted beneath, term. It. elliptic or broadly obovate, pan. with 

 slender prickles, sep. leaf-pointed, cor. white. E. B. S. 2625. 

 R. G. 12. Lts. often very large. St. often with a few aciculi 

 and setae. Stam. pinkish, exceeding the pink styles. A very 

 variable plant. y. R. Schlechtendalii ( W. & N.); prickles short 

 small from a very large base, 1. usually quinate, Us. doubly and, 

 patently dentate usually hairy only on the veins not felted beneath, 

 term. it. long obovate acuminate wedgeshapecl or subcordate at 

 the base, pan. with strong prickles, sep. with a linear point, 

 cor. white. R. G. 11. Hardly distinguishable from var. /3. 

 b. R. amplificatus (Lees) ; prickles short from a very large base, 



