i86 



SAXIFRAGE FAMILY 



x. Calyx 9-12 mm. long, stamens long- 



exserted 

 y. Calyx 5-7 mm. long, stamens not ex- 

 ceeding the calyx 

 b. Flowers in elongated racemes, mostly numer- 

 ous, stems densely prickly 

 Stems smooth, without spines or prickles, flow- 

 ers in racemes (Currants) 



a. Calyx flat or saucer-shaped 



( 1 ) Ovary and berries glandular bristly 



(2) Ovary and berries smooth 



x. Calyx purplish, shrubs decumbent 

 y. Calyx greenish-yellow, shrubs erect, cul- 

 tivated 



b. Calyx campanulate to long-tubular 



( 1 ) Racemes erect or ascending, calyx white 



(2) Racemes drooping 



x. Calyx greenish white 

 y. Calyx bright yellow 



R. gracile 



K. oxyacanthoides 



R. lacustre 



R. prostration 



R. triste 



R. vulgare 



R. hudsonianum 



R. floridum 

 R. aureum 



Ribes Grossularia Linne 1753 European Gooseberry 

 Ribes uva-crispa Linne 1753 



Cultivated shrub 0.5-1 m. high; spines stout, 1-1.5 cm. long, usually 

 together in 3's; leaves cordate to truncate at the base, widening upwards, 

 rather short petioled, 3-5 lobed, pubescent at least when young, lobes 

 obtuse or crenate-dentate, 2-3.5 cm. long, 2-5 cm. wide; petiole 1-3 cm. 

 long ; peduncles very short, 1 or rarely 2 flowered ; flowers green, about 

 6 mm. long, calyx hirsute, sepals oblong, 3-4 mm. long, fruit globose- 

 ovoid, smooth, 1-2 cm. long; grossularia, like a small unripe flg. 



The ordinary garden gooseberry, sometimes escaped from cultivation, 

 locally established in Quebec, New England and the Middle States. In- 

 troduced from Europe. 



Ribes cynosbati Linne 1753 Prickly Gooseberry Dogberry 



Low spiny shrub; spines slender, 5-10 mm. long; prickles of the 

 branches few or weak or none; leaves round-ovate, 3-5 lobed, rounded or 

 subcordate at the base, soft-pubescent, 2-5 cm. long, 2-4 cm. wide, 

 petiole 1-2 cm. long, pubescent; racemes loose, 2.5-6 cm. long, few-flow- 

 ered, flowers 7-10 mm. long; stamens and united styles not longer than 



