ROSACEA. (rose family.) 121 



1 - 3-flowered. — Wooded hill-sides, Rhode Island to Penn., Wisconsin, and 

 noi-thward. June. — Sepals and petals often 6 or 7. 



•< — I- Stems biennial and woodi/, pricldy : recqitade oblong: Jruit hemispherical. 



5. B. StrigosiiS, Michx. (Wild Red Raspbekky.) Stems upright, 

 and with the stalks, &c. beset with stiff straight bristles (some of them becoming 

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

 5, oblong-ovate, pointed, cul>seiTate, whitish-downy underneath ; the lateral ses- 

 sile ; petals as long as the sepals ; fruit light red. — Thickets and liills ; common, 

 especially northward. — Fruit ripening from June to Aug., finely flavored, but 

 more tender and watery than the Garden or European Raspbeny (E. JdSna), 

 which it too closely resembles. 



6. B. occidentalis, L. (Black Raspberry. Thimbleberry.) 

 Glaucous ail over ; stems recurved, armed like tlic stalks, &c. vrith hooked prickles, 

 riot bristli/ ; leaflets 3 (rarely 5), ovate, pointed, coarsely doubly serrate, whitened- 

 doivny underneath ; the lateral ones somewhat stalked ; petals shorter than tlie 

 sepals ; Jiuit purple^black. — Thickets and fields, especially where the ground has 

 been burned over. May. — Fruit ripe early in July, pleasant. (Some curious 

 forms are known, with fruit intermediate between this and tlie last.) 



§ 2. Fruit, or collective drupes, not sqiarating from the juicy receptacle, mostly ovate 

 or oblong, blackish, (Blackberry.) 



7. K. villdsiis, Ait. (Common or High Blackberry.) Shrubby 

 (1° -6° high), fuiTOwed, uptight or reclining, armed with stout curved frrickles ; 

 branchlets, stalks, and lower surface of the leaves hairy and glandular ; leaflets 3 

 (or pedately 5), ovate, pointed, unequally serrate ; the terminal one somewhat 

 heai-t-shaped, conspicuously stalked; flowers racemed, numerous, bracts short; 

 sepals lineai'-pointed, much shorter than the obovate-oblong spreading petals. — 

 Var. 1. frond6sds : smoother and much less glandular; flowers moi'e eerym- 

 bose, with leafy bracts ; petals roundish. Var. 2. HUMiFtisua : trailing, small- 

 er ; peduncles few-flowered. — Borders of thickets, &c., common. May, June ; 

 the pleasant large fruit ripe in Aug. and Sept. — Plant veiy variable in size, 

 aspect, and shape of the fruit. 



8. R. Canadensis, li. (Low Blackberry. Dewberry.) Shrubby, 

 extensively trailing, slightly pricldy ; leaflets 3 (or pedately 5-7), oval or ovate- 

 lanceolate, mostly pointed, thin, nearly smooth, sharply cut-serrate ; flowers ra- 

 cemed, with loaf-like bracts. (R. triviiilis, Pursh, Bigel., ^c. ; not of Michx.) — 

 Rocky or gravelly hills, common. May ; ripening its large and sweet fruit 

 earlier than No. 7. 



9. K. IlispidUS, L. (RuNNiNQ Swamp-Blackbbrrt.) Stems slender, 

 somewhat shrubby, extensively procumbent, beset unth small rejlexed prickles ; leaflets 3 

 (or rarely pedately 5), smooth, thickish, mostly persistent, obovate, obtuse, coarsely 

 serrate, entire towards the base ; peduncles leafless, severalflowered, often bristly ; 

 flowers small. (K. obovalis, Michx. R. sempervirens and R. setosus, Bigelow.) 

 Low woods, common northward. Jane. — Flowering shoots short, ascend- 

 ing, the sterile forming long runners. Fruit of a few large grains, red or pur- 

 ple, sour. 



a 



