RUBUS. ROSACEA, 183 
Var. Menziesii Watson Bot. Cal. i, 172. More or less densely tomentos 
and silky. Southern Oregon and southward. 
R. leucodermis Dougl. T. & G. Fl. i, 454. Stems soft-woody, biennial, 
erect, 3-8 feet high, glaucous, armed with stout straight or recurved 
prickles: leaves trifoliolate, rarely 5-foliolate ; leaflets ovate to lanceolate, 
acute or acuminate, doubly serrate, 1-2 inches long, white-tomentose be- 
neath, smooth above, the petioles and veins beneath prickly; flowers in 
small terminal corymbose cymes; calyx-lobes lanceolate, long-acuminate, 
closely reflexed, 3-4 lines longylonger than the spatulate petals: carpels 
tomentose; fruit dark purple when ripe, rather large, with a white 
bloom and agreeable flavor: achenes minutely pitted. Common in rich 
moist woods, Alaska to California- 
R. strigosus Michx. Fl. i, 297. Stems erect, suffruticose, biennial, 
armed as well as the petioles, peduncles and calyx, with straight spreading 
rigid bristles whfich are glandular when voung, slightly glaucous: leaves 
pinnately 3-5-foliolate: leaflets oblong-ovate, acuminate, often narrow, but 
sometimes broadly ovate, occasionally confluent, incisely serrate, canes- 
cently tomentose beneath, the terminal one often cordate at base, the 
lateral ones sessile; stipules setaceous, deciduous: peduncles axillary and 
terminal; often aggregated at the summit of the branches so as to form a 
leafy panicle 4-6-flowered; petals white, erect, about as long as the spread- 
ing sepals: carpels pruinose; fruit light red, very juicy. Hillsides and 
rocky places, Eastern Oregon and Idaho to the Atlantic States and Canada. 
* * * Stems herbaceous, more or less trailing, unarmed: leaves 
trifoliolate or 3-lobed: carpels few. 
R. arecticus L. Sp. i, 494. Stems low, somewhat pubescent, mostly 
erect, 1—-2-flowered: leaves trifoliolate; leaflets rhombic-ovate, or obovate, 
coarsely and often doubly serrate, petiolulate; stipules ovate: sepals lance- 
olate, acute, often shorter than the obovate entire or emarginate petals: 
fruit amber-color, very delicious. Marshes and river banks, Idaho to the 
Rocky Mountains and far north. 
R. pedatus &mith Inc. Ined. t. 65. Stems trailing, filiform, 1-3 feet 
long or more, rooting at tne nodes, pubescent: leaves trifoliolate ; leaflets 
cuneate-obovate, 8-12 lines long, incised and serrate, the lateral ones often 
parted to the base, smooth or sparingly villous; stipuies ovate-oblong: 
flowers usually solitary, on long slender pedicels, white, 6-9 lines broad ; 
sepals ovate-lanceolate, nearly glabrous, entire or incised, exceeding the 
petals, at length reflexed: carpels glabrous; styles filiform, not thickened 
upward: fruit 1-6 large red juicy drupelets. Common in the Coast and 
Cascade Mountains, Alaska to California. 
R. lasiococeus Gray Proc. Am. Acad. xvii, 201. Stems slender, creep- 
ing, 2-12 inches long, cinereous-pubescent: leaves 3-5-lobed, rarely 3-folio- 
late, the obtuse lobes irregularly and doubly serrate; stipules ovate to 
lanceolate, entire or lacerate: peduncles slender, equalling or exceeding 
the leaves, 1-3-flowered: flowers white, 6-10 lines broad ; calyx-lobes ovate, 
acuminate, entire, exceeding the obovate petals; carpels densely tomen- 
tose; styles thickened upward: fruit 1-3 large red tomentose juicy drupe- 
lets. Inshaded places, base of Mount Hood and other peaks of the Cas- 
cade Mountains. 
§ 2. Fruit persistent upon the somewhat juicy receptacle 
which is at length deciduous from the calyx: stems biennial, 
trailing, prickly. | 
‘R. nivalis Dougl. Hook. Fl. i, 181. Stems slender, trailing, 1-4 feet 
long, armed with small recurved prickles: leaves round-cordate, obscurely 
to prominently 3-lobed, or rarely 3-foliolate, unequally serrate, usually 
