122 26. 



d. Radulce. Stem rough with small elevated rigid points 

 on which the deciduous setas and aciculi were seated; 

 prickles nearly equal, 



24. R. Bloxdmii (Lees) ; st. arcuate-prostrate angular slightly 

 furrowed, prickles small subpatent unequal, aciculi and setae short 

 many, hairs many, 1. 5- or 3-nate, Its. coarsely doubly dentate green 

 and pilose on both sides, term. It. roundly obovate cuspid ate, pan. 

 long leafy to the top felted its short branches and top corymbose its 

 prickles slender declining, sep. ovate-acuminate loosely reflexed 

 from the fruit. St. thick, rarely furrowed. L. subpedate. 

 Upper floral 1. simple. Pet. white. Pale stam. falling short of 

 styles. Woods. Sh. VII. VIII. E. 



25. JR. Hys'trix (Weihe) ; st. arcuate-prostrate angular slightly 

 furrowed, prickles slender declining from a dilated compressed 

 %ase, aciculi and hairs few short equalling the many setae and 

 much shorter than the prickles, 1. quinate pedate, Its. coarsely 

 and rather doubly and patently dentate green and pilose on both 

 sides, term. It. oblong -obovate acuminate, pan. long leafy its 

 branches long racemose ascending but the uppermost and ultra- 

 axillary patent or divaricate its rachis wavy its prickles strong 

 declining the uppermost slender, sep. lanceolate-attenuate loosely 

 adpressed to the fruit. R. G. 41. Lts. flat, but wavy at the 

 edges, hairy but not felted beneath. Pet. pink. Pate stam. 

 exceeding pink styles. Hedges and thickets. Sh. VII. VIII. 



E.I. 



26. R. rosdceus( Weihe); st. arcuate-prostrate angular, prickles 

 slender nearly equal declining from a dilated compressed base a 

 few shorter slightly exceeding the nearly equal aciculi setae and 

 hairs, \. quinate-pedate or ternate, Its. doubly-dentate-serrate 

 pilose above paler and pilose only on the veins beneath, term. 

 It. obovate- or oblong-acuminate usually subcordate below, pan. 

 subpyramidal truncate leafy below its branches racemose ascend- 

 ing or the ultra-axillary patent corymbose or simple its rachis 

 more or less wavy its prickles slender declining, sep. lanceolate- 

 attenuate loosely adpressed to the fruit. R. G. 36. Perhaps 

 not distinct from R. Hystrix. Its more elegant pyramidal and 

 abrupt panicle and the more unequal prickles less markedly 

 separated from the aciculi are the chief differences. " Pet. pale 

 pink. Pale stam. exceeding pink-based styles." Woods and 

 hedges. Sh. VII. VIII. E. I. 



27. R.prce'ruptorum (Boul.) ; st. arcuate-prostrate subterete, 

 prickles many slender unequal declining slightly dilated at their 

 base, setae hairs and \ r er p y slender aciculi unequal many, 1. qui- 

 nate-pedate or ternate, Its. coarsely unequally and doubly serrate 



