f * 
Re macropetalus Dougl. blackberry. Prostrate, the stems trailing, often 
q forming large mats, armed with slender recurved prickles 2-3 mm, long, niin 
or “leaucous; brenchlets erect, hirsute and glandular; supiexs—withtipntty 
gxmed leaves 3-5-foliolete, the blades broadly ovate, 8-10 cm, long, leaflets 
annroximate, distinct, almost sessile, obliouely ovate, or the median pair 
oval, rounded or lightly cordate at the base, mostly acute or acuminate, th 
hirsute end lightly erned on the veins, the margins irregularly double-serrat 
the teeth cus-idate, retioles 2-3 cm, long, the rachis somewhat shorter, bot 
hirsute, glandular and lichtly armed, the stipules subulate 5-6 mm, long$ 
leaves ov the flowering breanchss s-foliolate, 5-4 cm. long, the leaflets 
mostly obtuse; flo.rcrs dioecious, 2-5 in each corymb, the pedicels hirsute : 
and slandular with stalked glands end armed with slender prickles; sepals 
6-8 mm. longs, cblong-ovate, cusvidate, vubescent and glenduler and sometimes 
c armad; vetals white, ellintical or oblanceolate, 1-2 times as long as the 
sepals; fruit « blackberry, not separating from the receptacle, cylincrical, 
1-3 om. long, glebrous, the carpels numerouSse 
Soci 
Frecucont around the vooer vert of Lake Pend Oreille; edible, of sine 
