214 ROSACEA. RuBUs. 



Stem 3-5 feet high ; the younger branches, as well as the petioles, peduncles and cal}^!, 

 particularly the latter, covered with roughish glandular hairs which secrete a viscid matter. 

 Leaves 4-8 inches in diameter, cordate, the upper ones 3-lobed, the lower 5-lobed ; middle 

 lobe proldnged. Flowers 2 inches in diameter. Sepals ovate, the point abruptly drawn out 

 into a long narrow appendage. Petals of a beautiful purplish rose-color. Fruit large but 

 thin, red when mature, well flavored. 



Rocky places, particularly on hill-sides ; common. June - August. This showy species 

 is often seen in cultivation. 



2. RuBus TRiFLORUs, Richards. Dwarf Raspberry. 



Stem without prickles, suffrutescent at the base, ascending ; the branches mostly herba- 

 ceous, often long, slender and prostrate ; leaves 3- (sometimes pedately 5-) foliate, on slender 

 petioles ; leaflets membranaceous, rhombic-ovate, acute at both ends, nearly smooth, coarsely 

 and doubly serrate, or sometimes incised ; stipules ovate, entire ; peduncles terminal, 1-3- 

 flowered, the pedicels elongated ; sepals 5-7, lanceolate, glandularly pubescent, at length 

 reflexed, rather shorter than the spatulate-oblong erect (white) petals ; fruit small, red. — 

 Richards, in app. Frankl. journ. ed. 2. p. 19 ; Hook.fl. Bor.-Am. 1. p. 181. f. 62 ; Torr. ^ 

 Gr. fl. N. Am. 1. p. 452. R. saxatilis, 13. Canadensis, Michx. jl. I. p. 298. R. saxatilis, 

 Bigel.fl. Bost. p. 201. R. saxatihs, /3. Americanus, DC. prodr. 2. p. 565. R. Canadensis, 

 Torr. Jl. 1. p. 483, not of Linn. Cylactis montana, Raf. in Sill, journ. 1. p. 377. 



Stem woody below; the flowering branches 6-10 inches high, and ascending; the sterile 

 ones prostrate, and often 12-18 inches long, nearly smooth below, pubescent above. Leaflets 

 1-2 inches long ; the terminal one on a short stalk. Flowers small. Calyx often 6 - 7-cleft. 

 Petals sometimes one-third longer than the calyx. Fruit reddish purple, usually of few, but 

 sometimes of numerous grains, sour, but having a distinct raspberry flavor. 



Swamps and moist woods, but sometimes in rather dry situations ; rather common. Fl. 

 June. Fr. August. 



3. RuBus STRiGOsus, MicJix. Red Wild Raspberry. 



Erect, suffruticose, armed with straight spreading rigid bristles (some of which become 

 weak hooked prickles) which are glandular when young ; leaves pinnately 3 - 5-foliolate ; 

 leaflets oblong-ovate, acuminate, incisely serrate, whitish-tomentose underneath ; stipules 

 small, setaceous ; peduncles 4 - 6-flowered ; petals obovate-oblong, erect, as long as the 

 spreading sepals ; fruit light red. — Michx. jl. I. p. 297 ; Pursh, jl. 1. p. 346 ; Torr. Jl. 1 . 

 p. 488 ; Bigel.Jl. Bost. p. 198 ; Hook. Jl. Bor.-Am. l.p. 177 ; Beck, hot. p. 104 ; Torr. ^ 

 Gr. jl. N. Am. 1. p. 453. R. Pennsylvanicus, Poir. diet. 6. p. 246. R. Idasus, Nutt. gen. 

 1. p. 308. 



Stem much branched, light brown and shining ; the lower part often nearly unarmed ; 

 upper part, petioles and peduncles hispid ; the hairs at first soft and tipped with a minute 

 gland, finally becoming indurated, but not firm enough to wound the skin. Leaflets 1^-3 



