RIBES 1^^ 



d. Buds rather long, 5-6 mm. 

 long 



e. Stems bristly and prickly, 

 the nodal prickles about the 

 length of the internodal bristles; 

 twigs and buds glossy straw- 

 colored 5. R.lacustre 



e. Nodal prickles longer than 

 the bristles 



f. Twigs bristly and prickly, 



with quickly exfoliating 



epidermis; the fruiting 



canes mostly without 



bristles on the middle 



and upper inte modes 4. R. hirtellum 

 f . Bark of internodes 



without bristles; nodal 



spines slender, 0. 5-1 



cm. long 1. R. cynosbati 



1. _R. cynosbati L. Prickly Gooseberry. A shrub with erect 

 or ascending branches; spines slender, 5-10 mm. long; bud-scales 

 keeled, more or less silky; berries prickly (but not present in 

 winter). Rocky woods. New Brunswick to Manitoba, south to 

 North Carolina, Alabama and Missouri (Fig. 113). 



2. JR. missouriense Nutt. Missouri Gooseberry. An erect • 

 shrub to 2 m, high, bearing stout red spines 7-17 mm. long; buds 

 elongated, fusiform, glossy, straw-colored; twigs grayish or 

 whitish. Thickets, Connecticut to Minnesota and South Dakota, 

 south to Kansas, Arkansas, Missouri and Tennessee (Fig. 114). 



3. _R. rotundifolium Michx. Smooth Gooseberry. A shrub 

 with erect or spreading branches; spines only 2-5 mm. long, or 

 sometimes lacking; buds 3 mm. long, downy; berry (absent in 

 winter) not prickly. Rocky thickets in the mountains, Massachu- 

 setts to West Virginia and North Carolina (Fig. 115). 



4. R. hirtellum Michx. Bristly Gooseberry . Shrub about 



1 m. high; bark freely exfoliating, that of new canes prickly, of 

 fruiting canes mostly without prickles on the lower internodes; 

 nodal spines 3-8 mm. long. Rocky woods, Labrador to Manitoba, 

 south to Pennsylvania, Illinois, and Minnesota (Fig. 116). 



5. R, lacustre (Pers. ) Poir. Black Currant . Shrub about 



1 m. high; young stems clothed with bristly prickles and with weak 



