276 



ROSACEAE. 



VOL. II. 



i. Rubus odoratus L. , Purple-flowering 



Raspberry. Thimble-berry. Fig. 2288. 

 Rubus odoratus L. Sp. PI. 494. 1753. 



Erect, branched, shrubby, glandular-pubescent and 

 somewhat bristly, not prickly, 3-5 high. Stipules 

 small, lanceolate, acuminate; leaves simple, petioled, 

 large (sometimes nearly i broad), 3~5-lobed, cor- 

 date at the base, pubescent, especially on the veins 

 of the lower surfaces, the lobes acuminate, finely 

 serrate, the middle one longer than the others ; 

 flowers terminal, rather numerous, corymbose or 

 paniculate, purple (rarely white), showy, i'-2' 

 broad ; bracts membranous ; calyx-lobes tipped with 

 a long slender appendage ; fruit red when ripe, 

 depressed-hemispheric, scarcely edible. 



In rocky woods, Nova Scotia to Ontario and Michi- 

 gan, south to Georgia and Tennessee. June- Aug. Scotch 

 caps. Mulberry. Rose-flowering or Canadian raspberry. 

 In England called Virginia raspberry. 



Rubus columbianus (Millsp.) Rydb., from West Vir- 

 ginia, appears to be a race of this species with narrower 

 leaf-lobes. 



2. Rubus parviflorus Nutt. Salmon-berry. 

 White-flowering Raspberry. Fig. 2289. 



Rubus parviflorus Nutt. Gen. i : 308. 1818. 



Rubus nutkanus Mocino ; DC. Prodr. 2: 566. 1825. 



Similar to the preceding species but usually less 

 glandular and "scarcely bristly. Leaves petioled, 

 simple, cordate at the base, 3~5-lobed, the lobes acute 

 or obtusish, rarely acuminate, the middle one equal- 

 ling or but slightly longer than the others, all coarsely 

 and unequally serrate ; flowers few, corymbose, white, 

 terminal, i'-2' broad; calyx-lobes tipped with a long, 

 slender appendage; fruit 'depressed-hemispheric, 

 scarcely edible, red when ripe. 



In woods, Michigan, Minnesota and western Ontario 

 to Alaska and California, south in the Rocky Mountains 

 to Utah and Colorado. Thimble-berry. May-July. 



3. Rubus Chamaemorus L. Cloudberry. Knotberry. 

 Mountain Bramble. Mountain Raspberry. Knout- 

 berry. Fig. 2290. 



Rubus Chamaemorus L. Sp. PI. 494. 1753. 



Herbaceous, rootstock creeping, branches erect, 2-3-leaved, 

 3'-io' high, unarmed, finely 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, i'-3' broad, the lobes usually short, broad, 

 dentate; flowers monoecious or dioecious, solitary, terminal, 

 white, 6"-i2" broad; sepals ovate, shorter than the petals, 

 sometimes toothed toward the apex; fruit reddish to yellow, 

 composed of few drupelets, edible and pleasant, at length 

 separating from the receptacle. 



In peat-bogs and on mountains, Maine and New Hampshire to 

 arctic America, extending to Alaska and British Columbia. Also in 

 northern Europe and Asia. An interesting southern colony of this 

 plant has been recently found at Montauk Point, Long Island. Baked-apple berry. June-July- 



