FLORA. 



short- pedicelled; petals linear, erect or slightly spreading, about 5 mm. long; cap- 

 sule 4-6 mm. long, pubescent, narrow. In wet places, pine barrens of N. J., and 

 eastern Penn. to Fla., western N. Car. and La. May-June. 



Family 8. GROSSULARIACEAE Dumort. 

 Gooseberry Family. 



Shrubs, with often fascicled usually lobed petioted leaves, and race 

 mose or subsolitary axillary or lateral flowers, the, pedicels bracteolate. 

 Calyx-tube adnate fco the ovary, the limb 4-5^1obed, often colored. 

 Petals 4 or $', inserted o^n the throat of the calyx, small, scale-like, often 

 included. Stamens 4 or 5, inserted with the petals. Ovary i-celled ; styles 

 2, distinct or united. Berry globose or ovoid, pulpy, the calyx persistent 

 on its summit. Seeds obscurely angled, their outer coat gelatinous, the 

 inner crustaceous. Only the following genus, having the characters of 

 the family. 



i. RIBES L. 



About 60 species, natives of the north temperate zone and the Andes of S. Am. 

 besides the following some 40 others occur in western N. Am. 



Leaves plicate in vernation. 



Racemes i-4-flowered; stems generally with subaxillary spines {Gooseberries}. 



Calyx-lobes oblong, shorter than the tube ; berry often spiny or bristly ; stamens 

 not exserted. 



Calyx-tube ovoid-campanulate, green ; berry spiny, i. R. Cynosbati. 

 Calyx-tube tubular; berry bristly or glabrous. 



Flowers purplish ; spines slender; plant very hairy. 



2. R. Huronense. 

 Flowers whitish; spines stout; plant slightly pubescent. 



3. R. setosum. 

 Calyx-lobes equalling or exceeding the tube ; berry glabrous. 



Calyx-lobes shorter than the tube and ovary; peduncles short. 

 Stamens scarcely exceeding the oblong calyx-lobes. 



Spines stout, usually 3 together; raceme usually i-flowered. 



4. R. Uva-crispa. 

 Spines small, slender or none; raceme 2-flowered. 



5. R. oxyacanthoides. 

 Stamens somewhat exceeding the linear calyx-lobes. 



6. R. rotundifolium. 

 Calyx-lobes much longer than the tube and ovary; peduncle slender; 



stamens long-exserted. 



Spines slender; bark purplish. 7. R. gracile. 



Spines stout; bark light gray. 8. R. Missouriensis. 



Racemes many-flowered;' stem with spines and bristles, calyx saucer-shaped, glan- 

 dular-bristly. 9. R, lacustre. 

 Racemes many-flowered; stem unarmed; calyx campanulate to tubular. (Currants.) 

 Calyx-tube campanulate. 



Berry glandular-bristly, red. 10. R. fcrostratum. 



Berry glabrous. 



Calyx-tube open-campanulate. 



Raceme erect or ascending; berry black. JJ^^J?- Hudsotiianum. 

 Raceme pendulous; berry red. 12. R. rubrunt. 



Calyx-tube cylindric-campanulate; berry black. 13. R. floridum. """ 

 Calyx-tube tubular, glandular; berry red, more or less glandular. 



14. R. cereum, 

 Leaves convolute in bud; stem unarmed; calyx-tube tubular, bright yellow. 



15. R. aureum. 



i. Ribes Cynosbati L. WILD GOOSEBERRY. DOGBERRY. (I. F. f. 1865.) 

 Infra-axillary spines slender, solitary or sometimes 2-3 together, erect or spread- 

 ine, 6-10 mm. long, or often wanting. Prickles few and weak or none; petioles 

 12-35 mm - l n g< slender, generally pubescent; leaf-blade nearly orbicular, 3-5 cm. 

 broad, somewhat pubescent, at least when young, truncate or cordate at the base, 

 deeply 3-5 -lobed, the lobes crenate-dentate or incised; peduncles and pedicels 



