ROSACEAE. (Vor. IL 
3. Rubus Chamaemorus |. Cloudberry. Knot- 
berry. Mountain Bramble. Mountain 
Raspberry. (Fig. 1892.) 
Rubus Chamaemorus I,. Sp. Pl. 494. 1753. 
Herbaceous, rootstock creeping, branches erect, 3/-10% 
high, fiuely pubescent or nearly glabrous, scaly below; 
; stipules ovate, obtuse; leaves petioled, simple, orbicular or 
broader, 5-9-lobed, cordate or reniform at the base, pubes- 
cent or glabrous, 1/—3’ broad, the lobes usually short, broad, 
dentate; flowers dioecious, solitary, terminal, white, 6’/-12/” 
broad; sepals ovate, shorter than the petals, sometimes 
toothed toward the apex; fruit red, composed of few drupe- 
lets, edible and pleasant. 
In peat-bogs and swamps, Maine and New Hampshire to arctic 
America, extending to Alaska and British Columbia. Also in 
northern Europe and Asia. June-July. 
4. Rubus 4rcticus L. Arctic Raspberry or 
Bramble. (Fig. 1893.) 
Rubus arcticus I, Sp. Pl. 494. 1753. 
Stems erect, simple or branched from the base, herbaceous, 
3/-10’ high, unarmed, finely pubescent, sometimes leafless be- 
low. Stipules oval or ovate, obtuse, 2’’-4’’ long; leaves slen- 
der-petioled, 3-foliolate (rarely 5-foliolate); leaflets sessile or 
short-stalked, rhombic-ovate or obovate, coarsely and un- 
equally serrate or slightly lobed, 9’’-18’’ long; flowers soli- 
tary, or occasionally 2, terminal, slender-peduncled, pink,6’/— 
12’ broad, sometimes dioecious; sepals acute, equalling or 
shorter than the obovate entire or emarginate petals; fruit 
light red, of several or numerous drupelets, edible, fragrant. 
In peat-bogs and damp woods, Quebec to Manitoba and British 
Columbia, and throughout arctic America. Also in northern 
Europe and Asia. Called also Strawberry-leaved Bramble. : 
Summer. ZT 
5. Rubus strigdsus Michx. Wild Red Raspberry. (Fig. 1894.) 
Rubus strigosus Michx. Fl. Bor. Am. 1: 297. _ 1803. 
Rubus Idaeus var. strigosus Maxim. Bull. Acad. St- 
Petersb. 17: 161. 1872. 
Stems shrubby, biennial, branched, 3°-6° high, 
usually densely clothed with weak glandular bris- 
tles, or the older stems with small hooked prickles. 
Stipules narrow, deciduous; leaves petioled, pin- 
nately 3-5-foliolate; leaflets ovate or ovate-oblong, 
acuminate,sharply and irregularlyserrate orslightly 
lobed, rounded at the base, 1/—3’ long, whitish-pu- 
bescent beneath; inflorescence terminal and axil- 
lary, racemose or paniculate, loose; pedicels slender, 
curving in fruit; flowers 4’’-6’’ broad; petals white, 
ascending, about equalling the spreading acumi- 
nate sepals; fruit elongated-hemispheric, light 
red, white in a cultivated form. 
In dry or rocky situations, Newfoundland and Lab- 
rador to Manitoba and British Columbia, south in the 
Alleghanies to North Carolina, and in the Rocky 
Mountains to New Mexico. Ascends to 5500 ft. in 
North Carolina. The original of the Cuthbert and Han- 
sall Raspberries. May-July. Fruit ripe July-Sept. 
