210 RIBESACE.E. ribes. 



* * Calyx-tube campanulate to cylindrical: peduncles 1-4-flowered. 



+- Anthers oval or didymous, very obtuse and pointless. 



++ Tube of the calyx above the ovary very short. 



R. velutinnm Greene Bull. Cal. Acad, i, 85. Stout and rigid, 2-6 feet 

 high, with strongly recurved branches, these not prickly ; subaxillary spines 

 solitary: leaves orbicular, palmately 3-5-cleft, the lobes crenately 3-toothed, 

 6-8 lines in diameter, densely velvety-tomentose to nearly glabrous: racemes 

 short, 2-3-flowered, tbe orbicular bracts not half as long as the pedicels ; 

 calyx cylindrical, its lanceolate lobes twice longer than the tube; petals 

 oblong, shorter than the calyx-lobes: stamens shorter than the petals; 

 styles glabrous, equalling the stamens ; ovary and fruit velvety-pubescent. 

 On dry hillsides at the southern base of the Siskiyou Mountains. 



R. montauum. Stems slender, creeping, 3-4 feet long : subaxillary 

 spines 3, unequal: leaves round to oblong, less than an inch in diameter, 

 slightly cordate or truncate, deeplv 3-lobed, the lobes doubly toothed, pu- 

 bescent but not glandular : peduncles usually one-flowered, bracts con- 

 spicuous, longer than the pedicels : calyx pubescent, its linear-oblong 

 lobes 2 lines long, longer than the cylindraceous tube; petals narrowly 

 oblong, a line long: stamens longer than the petals, anthers broadly ob- 

 long ; style glabrous, entire or nearly so ; ovary and fruit spinose. In the 

 forests of the Siskiyou Mountains near the summit. 



R. ambiguum Watson Proc. Am. Acad, xviii, 193. Stems erect or 

 ascending, 4-6 feet high : leaves roundish, 1-2 inches in diameter, villous 

 and glandular, 5-lobed, the lobes crenately toothed, peduncle 1-3-flowered, 

 calyx 6 lines long, more or less villous, the ligulate lobes several times 

 longer than the tube, ciliate equalling the linear petals; anthers small 

 elliptical, ovary and fruit densely spinose. Mt. Adams, Washington, to 

 Northern California at high altitudes. 



-n- -»+ Calyx-tube longer than the limb. 



R. cognatum Greene Pitt, hi, 115. Slender shrub 3-10 feet high: 

 younger branches stiffly and densely setose-hispid, the 1-3 subaxillary 

 spines short, not very stout: leaves and the long and slender petioles vil- 

 lous pubescent : flowers 3-5, at the ends of long and slender pendulous 

 peduncles: calyx salver-form, the long cylindric tube villous-pubescent, 

 twice the length of the oblong segments, the whole white or pale flesh- 

 color : petals spatulate-obovate, truncate or retuse, not equalling the calyx- 

 lobes : ovaries glabrous, fruit not seen. Along the Umatilla river, near 

 Pendleton, Oregon. 



■»+ ++ ++ Flowers small, dull-colored, fruit smooth. 



R. gracile Michx. Fl. i, 111. Branches slender: subaxillary spines 1-3, 

 leaves roundish, obtusely 3-lobed, crenately incised, entire at base, glab- 

 rous : peduncles elongated. 1-3-flowered ; lobes of the calyx ligula.te, 

 twice or thrice longer than the short tube ; stamens long exserted hairy, 

 longer than the hairy style : fruit black smooth., Brit Columbia to Ore- 

 gon and the S. E. States. 



R. oxyacanthoides L. Sp. 201. Stems sometimes clothed with 

 bristly prickles : subaxillary spines 1-3, often united at the base : leaves 

 roundish, subcordate 5-lobed, pubescent or nearly glabrous, the lobes 

 deeply toothed or crenate: peduncles very short 2-3-flowered; calyx tube 

 cylindraceous, pubescent at the base within, the segments spreading, 

 rather longer than the stamens, about twice the length of the obovate 

 petals; style cleft to the middle, hairy at base a little exceeding the sta- 

 mens. Along streams, eastern Oregon to California and N. E. States. 



K. divaricatum Dougl. Trans. Hort. Soc. vii, 515. Stems 3-12 feet 



