ROSE FAMILY 



145 



small. Group IV., Silvddci — Stems arched, prostrate, rooting at 

 the end, with spreading hairs, moderate-sized nearly equal prickles, 

 and few stalked glands or bristles ; leaves usually green beneath ; 

 sepals usually reflexed in fruit ; petals sometimes deep pink. 

 Group V., Egregii — Stems arched or prostrate, generally with 

 some scattered stalked glands and bristles, with sub-equal prickles 

 chiefly on the angles ; floiver-stalks with some stalked glands ; 

 sepals seldom reflexed. Group VI., Rddulce — Stems generally 

 low-arching and root- 

 ing, rough throughout 

 with numerous bristles 

 and stalked glands, with 

 subequal prickles, the 

 larger ones nearly con- 

 fined to the angles ; 

 flower - stalks with 

 numerous short-stalked 

 glands and bristles. 

 Group VII., Koehleri- 

 dni — Stems low-arching 

 or prostrate, rooting, 

 clothed with very un- 

 equal scattered prickles, 

 bristles and stalked 

 glands, the larger 

 prickles strong ; petals 

 often pink. Group 

 VIII., Bellardidni— 

 Usually small, low- 

 growing plants ; stems 

 mostly prostrate and 

 roundish, rooting and 

 often glaucous, densely 

 clothed with unequal 

 stalked glands, bristles 

 and weak prickles ; leaflets all stalked ; stipules filiform. Group 

 IX., C<esii (Dewberry) — Stems low-arching or creeping, roundish 

 or slightly angular, rooting, glaucous, with prickles mostly 

 slender ; flozvers large ; fruit of a few large drupelets, often with 

 a grey gloom. — Most of the species flower from June to August, 

 and ripen their fruit in September and October. 



3. R. saxdtilis (Stone Bramble). — A small herbaceous species ; 

 stem rooting, 1 — 2 feet high, with few scattered bristles, or none ; 

 leaves of 3 leaflets ; flowers few together, umbellate ; petals small 

 1. 



RLBUS frutic6sus {Blackberry). 



