GOOSEBERRY FAMILY 397 



3. L. parvula (A. Gra^O Rydb. Low shrub, 1 m, high or less; spines slender, 

 2-4 mm. long, rarely much stronger than the bristles; leaves usually fully as broad 

 as long, cleft about two-thirds to the base; flowers usually purplish, 4-8 in the 

 raceme; stamens equalling the petals; berry 8-10 mm. in diameter, usually 

 densely glandular-hispid. R. lacustre pariulum A. Gray. Mountains, among 

 rocks and along streams: Yukon — -Alta. — Colo. — Utah. Mont, — Alp, My-Au. 



4, L. montigena (McClatchie) Rydb. A straggling shrub, 3-6 dm. high; 

 stems with short stout nodal spines, and more or less bristly; leaves 1-4 cm. wide, 

 reniform, pubescent, the divisions obovate to elliptic, incised; racemes rather 

 short and few-flowered; tube of the hypanthium glandular-bristly; sepals 3-4 mm. 

 long, veiny; berry densely glandular-bristly. R, lacustre molle A. Gray. R. 

 lenium (M. E. Jones) Gov. & Rose. R. montigenum McClatchie. High moun- 

 tains: N.M. — Calif. — B.C. — Mont. Mont, — Alp, 



3. RISES L, Currants. 



Unarmed shrubs. Leaves alternate, palmately veined and usually also pal- 

 mately lobed, plicate in vernation, mostly deciduous. Inflorescence several- to 

 many-flowered; pedicels jointed beneath the flowers, a pair of small bractlets 

 often present at the node. Flowers perfect or in some exotic species dioecious. 

 Hypanthium-tube more or less developed, from saucer-shaped to cylindric. 

 Fruit a berry, with rather thin skin, with or without glands, never spiny, dis- 

 articulating from the pedicel. 



Hypantliium-tube rather poorly developed, saucer-shaped or open-campanulate. 

 Berry not glanduIar-hispUl. 



Berry red, without glands; racemes drooping; bracts short-ovate. 



1. R. triste. 



Berry black, with sassile glands; racemes erect; bracts subulate-linear. 



Racemes 6-12-flowered; bracts 2-5 mm. long; leaves firm, villous-pubescent 



beneath, with a shallow or no basal sinus. 2. R. hudsonianum. 



Racemes 25-50-flowered; bracts minute, 1-2 mm. long; leaves thin, essentially 

 glabrous, usually with a deep basal sinus. 3. R. petiolare. 



Berry glandular-hispid. 



Berry red; sepals 2-2.5 mm. long, glabrous without. 4. R. glandulosxim. 



Berry black or dark-purple; sepals 3^ mm. long, hairy without. 



Sepals without gland-hairs; berry with a bloom, 5. R. laxiflorum. 



Sepals with gland-hairs; berry without a bloom. 6. R. coloradense. 



Hypanthium-tube well developed, deeply campanulate to tubular. 



Fruit glabrous, black. 7. R, americanum. 



Fruit glandular-hispid. 



Hj-panthium-tube campanulate or urceolate; fruit black or blue. 

 Leaves glabrous or essentially so; fruit globose, with a bloom. 



Hj-panthium-tube greenish white, about 1 nun. long, less than half as long 



as the sepals. 8. R. Wolfli, 



Hypanthium-tube rose-colored or purphsh, about 2 mm. long, more than 

 half as long as the sepals. 9. R. nevadense. 



Leaves pubescent and ^Isually very glandular; fruit ellipsoid, without a bloom. 



10. R, viscosissimum. 



Hypanthium-tube cylindric; fruit red. ^ , 



Leaves merely g Ian dular-p ruin ose, not hairy; flowers whitish. 



11. R. reniforme. 



Leaves decidedly pubescent as well as glandular. , , . j 



Bracts cimeate-obovate, the rounded or truncate sumnut several lobea; 



flowers whitish; styles pubescent. 12. R. cereum. 



Bracts obJong or rhombic, entire or glandular-dentate: flowers pinkish; 



styles glabrous. 13. R, inebnans. 



1. R. triste Pall. A shrub about 1 m. high; leaf-blades thin, reniform- 

 orbicular, 6-10 cm. wide, usually 3-lobed, rarely 5-lobed, dark green and glabrous 

 above, pale and pubescent or glabrate beneath^ with conspicuous veins and 

 coarsely dentate-serrate lobes, cordate or rarely truncate at the base; racemes 

 somewhat glandular, usually shorter than the leaves; flowers more or less pur- 

 plish; sepals obtuse, spreading; berry smooth, glabrous, red, 6-8 mm. in diameter, 

 R. albinertitim Michx. R. ruhriun A. Gray, not L. Woods: Newf. — -N.J. — S.D, 

 ^^re. — Alaska. Boreal, — -Suhmont. My-Je. 



2. R. hudsonianum Richards. A shrub 1-1.5 m. high; leaf-blades reni- 

 form, broader than long, 3-10 cm. wide, more or less pubescent and resmous- 

 dotted, their lobes ovate, obtuse or acutish, coarsely dentate; racemes 3-6 cm. 



