240 



GROSSULARIACEAE. 



VOL. II. 



2. Grossularia missouriensis (Nutt.) Cov. 

 & Britt. Missouri Gooseberry. Fig. 2206. 



Ribes gracile Pursh, Fl. Am. Sept. 165. 1814. Not 



Michx. 

 Ribes missouriensis Nutt. ; T. & G. Fl. N. A. i : 548. 



1840. 

 Grossularia missouriensis Cov. & Britt. N. A. Fl. 22 : 



221. 1908. 



Nodal spines slender, solitary, or 2-3 together, 

 reddish, 3"-8" long or more. Prickles generally 

 few or none; leaves slender-petioled, somewhat 

 pubescent when young, orbicular or broader, 9"- 

 18" wide, truncate, slightly cordate, or sometimes 

 obtuse at the base, 3~5-lobed, the lobes rather 

 blunt, dentate; pedicels very slender, 4"-6" long; 

 flowers white or greenish tinged, drooping, 6"-o." 

 long; calyx-tube narrow, shorter than the linear 

 lobes ; stamens connivent or parallel, much ex- 

 serted; berry brown to purple, 5"~7" in diameter. 



In dry or rocky soil, Illinois to Minnesota, South 

 Dakota, Kansas and Tennessee. Slender or Illinois 

 gooseberry. May. 



3. Grossularia setosa (Lindl.) Cov. & 

 Britt. Bristly Gooseberry. Fig. 2207. 



Ribes setosum Lindl. Trans. Hort. Soc. 7 : 243. 1830. 



Grossularia setosa Cov. & Britt. N. A. Fl. 22 : 222. 

 1908. 



Nodal spines 10" long or less, spreading, some- 

 times none. Bristles usually numerous, scattered ; 

 leaves slender-petioled, more or less pubescent, at 

 least when young, \\' in width or less, broadly 

 ovate or orbicular, 3-5-lobed, the lobes incised- 

 dentate; flowers 1-4, white, 3 "-5" long; calyx- 

 tube cylindric, longer than the oblong lobes ; 

 stamens not exserted ; fruit red to black, sparingly 

 bristly, or often glabrous. 



On lake shores, and in thickets, western Ontario 

 and Manitoba to Assiniboia, Nebraska and Wyoming. 

 May. 



4. Grossularia oxyacanthoides (L.) Mill. 



Hawthorn or Northern Gooseberry. 



Fig. 2208. 



Ribes oxyacanthoides L. Sp. PI. 201. 1753. 

 Grossularia oxyacanthoides Mill. Card. Diet. Ed. 8, 

 No. 4. 1768. 



. Nodal spines generally solitary, light colored, 

 3"-6" long, sometimes none. Prickles scattered 

 or wanting; leaves suborbicular, the lobes obtuse 

 or acute ; petioles and lower leaf-surfaces com- 

 monly pubescent ; peduncles short, commonly less 

 than 6" long; flowers 1-3, short-pedicelled, 

 greenish-purple or white, about 3" -4" long; 

 calyx-lobes oblong; stamens short, not exserted; 

 berry globose or globose-ovoid, glabrous, 4"-6" 

 in diameter, reddish-purple when ripe. 



In wet woods and low grounds, Newfoundland to 

 Hudson Bay, Yukon, British Columbia, Michigan, 

 North Dakota and Montana. Smooth gooseberry. 

 May-July. 



