ROSACEA, (rosk family.) 157 



3. R. ChameembrUS, L. (Ci.oun-itEUUv.) Ilohuceous, low, dujen'ons; 

 stem simple, 2-3-ltaviJ, l-Jtuwend ; leaves rouiidisli-kiiincy-Conn, somewliat 5- 

 loltcd, serrate, wrinkled; calyxlohes pointless; petals obovule, white; fruit of 

 few grains, amber-color. — White Mountains of New Hampshire at the limit of 

 trees : also on the coast at Lubeek, Maine, and northward. (Eu.) 



* * Li-jijlits (piiinateJij) 3-5; petals small, end, white. 

 •*- Stints iiniiuiil, heib(Keous, not jiricklij : fruit of few separate (/rains. 



4. R. trifl6rus, Hichardson. (Dwakf Uasi-hekuy.) Steins ascending 

 (0'-12' hij^ii) or trailing; leaflets 3 (or pcdately 5), ihombie-ovate or ovalc- 

 lanceoiate, acute at both ends, coarsely doubly serrate, thin, smooth; jjedunclc 

 1-3-flowcrcd. — Wooded hillsides, New England to rcnnsyiviniia, Wisconsin, 

 and northward. June. — Sepals and petals often 6 or 7. 



+-■•- Steins biennial and woodi/, prickli/ : receptacle oblonrj : fruit hemispherical. 



5. R. Strig6sus, Michx. (Wild Red H.\si'iJt;imY.) Stems upright, ar\A 

 with the stalks, &c. beset with stiff straight bristles (or a few becoming weak 

 hooked prickles), glandular when young, somewhat glaucous; leaflets 3-5, 

 oblong-ovate, pointed, eut-serrate, whitish-downy underneath ; the lateral ones 

 sessile ; petals as long as the sepals ; fruit light red. — Thickets and hills : com- 

 mon evcrywhci'e, espccirtlly northward. June, July. — Fruit ripening all sum- 

 mer, more tender than that of the Garden or European Raspberry (R. Id.ecs), 

 which it too closely resembles. 



6. R. oceidentMis, L. (Bl.\ck Raspberry. TiiniBLEBEnRY.) 

 Glaucous a'l orer ; stems recurved, armed like the stalks, &c., with hooked prickhs, 

 not brisllji : leaflets 3 (rarely 5), ovate, pointed, coarsely doubly serrate, whitened- 

 downy underneath ; the lateral ones somewhat stalked ; petals sliorter than the 

 sepals ; fruit ]>ur pie-black (rarely a whitish variety), ripe early in July. — Very 

 conniion northward, especially where ground has been burned over. 



§ 2. BLACKBERRY. Fruit, or collectire drupes, not separating from the juicy 

 prolonged receptacle, mostly ovale or oblong, blackish. 



7. R. vill6sus, Ait. (Common or High Blackberry.) Shrubby (1°- 

 6° hiuli), furrowed, upright or reclining, armed with stout curved prickles; branch- 

 lets, stalks, and lower surface of the leaves hitirij and glandular ; leaflets 3 (or 

 pcdately 5), ovate, pointed, unequally serrate ; the terminal ones somewhat 

 heart-shaped, conspicuously stalked ; fowers racemed, numerous, bracts short ; 

 se])als linear-])ointcd, much shorter than the obovate-oblong spreading petals. — 

 Var. 1. FROND6srs : smoother and much less glandular; flowers more corym- 

 bose, with leafy- bracts ; petals roundish. Var. 2. iic.mifitsis : trailing, smaller; 

 peduncles few-flowered. — Borders of thickets, &c. : common. May, June : the 

 jileasant large fruit ripe in Aug. and Sept. — Plant very variable in size, aspect, 

 and slia])e of the fruit : — the varieties connecting with 



8. R, Canadensis, L. (Low Blackulrry. Dicwblruy.) ShrulAi/, 

 exiensiveli/ trailing, s'ightig prickli/ ; leaflets 3 (or pcdately 5-7), oval or ovate-" 

 lanceolate, mostly jwintcd, thin, marli/ smooth, sharply eut-scrratc ; flowers ra- 

 cemed, with leaf-like bracts. (R. triviidis, Pursh, Bigd., <Jr. ; not of Michr.) — 

 Rocky hills and copses : common. May ; ripening its excellent fruit earlier 

 than No. 7. 



