ORDER 46. CRASSULACE^. 117 



17. RIBES, L. CURRANTS. Calyx tube ovoid, adherent to the one- 

 celled ovary, limb tubular or bell-shaped, 4-o-cleft. Pet 4 5, small, in- 

 serted with the 4 5 stamens on the top of the calyx tube. Sty. 2. Berry 

 filled with pulp, with 2 parietal placentae. Seeds oo, albuminous. J> ^> 

 Leaves alternate, palmately lobed. 3 6f. Styles often united. 

 RIBESIA. Currants. Stems and berries not prickly. Flowers in racemes., .(a) 



a Flowers greenish or red. Lvs. plicate in the bud. b Fruit smooth Nos. 1, 2, 3 



b Fruit hairy Nos. 4, 5, 6 



a Flowers bright yellow. Leaves convolute in the bud No. 7 



GROSSULARIA. Gooseberries. Stems spinescent. Leaves plicate., .(c) 



c Peduncles 5-S-flowered. Style 2-cleft. Berries small, hispid No. 8 



c Peduncles 1-3-fl o wered. d Calyx tube and fruit prickly Nos. 9, 10 



d Fruit smooth. e Leaves cordate at base No. 11 



e Leaves not cordate Nos. 12, 13, 14 



1 R. rubrum L. Common Red C. Lvs. obtusely 3-5-lobed, pubescent beneath, sub- 



cordate ; rac. smoothish, pendulous ; calyx limb rotate ; bracts short ; fr. globous, 

 glabrous, red, rarely amber. Woods, Vt. Wise, t 



2 R. floridum L'Her. Wild Black C. Lvs. acutely 3-5-lobed, resinous-dotted, sub- 



cordate; rac. pubescent, pendulous; cal. cylindrical; bracts long; fruit obovoid, 

 smooth, black. Copses, Can. to Ky. 3 4f. May, June. 



3 R. NIGRUM. Black C. Lvs. 3-5-lobed, resinous-dotted beneath, not cordate ; rac. lax, 



hairy ; calyx bell-shaped ; fruit roundish, black. Eur. 4 5f. 



4 R. SANGUINEUM. Lvs. 3-5-lobed, white-downy beneath, cordate ; rac. long, lax, all 



rose-red ; calyx segments spreading ; styles united ; fruit blue. Oregon. 



5 R. prostratum L'Her. Mountain C. Stems reclined ; Ivs. 5-7-lobed, rugous, cor- 



date ; rac. erect, lax ; cal. rotate ; berries globous, glandular-hispid, red, ill-scented. 

 Rocks, N. Eng. to Car. Raceme becoming erect. May. 



6 R. resinosum Ph. Clothed with resinous-glandular hairs ; Ivs. 3-5-lobed, round 



ish ; raceme erect ; calyx spreading. Mts. Car. (Lost.) 



7 R. AUREUBI Ph. Glabrous ; Ivs. 3-lobed, subentire, shorter than their stalks ; raceme 



lax ; calyx limb tubular, longer than the pedicels ; fruit oval, yellow, soon brown. 

 Mo. to Oreg. 6 lOf. Flowers fragrant. 



8 R. lacisstre Poir. Spiny and prickly; Ivs. deeply 3-5-lobed and incised, cordate; 



raceme hairy ; style 2-cleft ; fruit hispid. Swamps, Northward. 



9 R. Cyiiosbati L. Prickly G. Spines in pairs, prickles few or none ; IVB. cordate, 



lobed, pubescent, cut-dentate ; styles united to the top ; fruit brown-purple, with long 

 spines, eatable. Thickets, Northward. May. 



10 R. SPECIOSUM. Glabrous; Ivs. roundish, lobed, crenate, polished; spines long, in 

 3's ; flowers nearly solitary, pendulous, scarlet. California. Very handsome. 



1 1 R. liirtellum MX. Spines few and short, prickles ; Ivs. roundish, lobed, toothed ; 

 calyx limb bell-shaped, lobes twice longer than the petals ; stamens exserted ; style 

 2-cleft. Rocky woods, N. Eng. to Wise. Fruit purple. 



12 R. rotuiidlfolium MX. Spines few and short ; prickles few or ; Ivs. roundish, 

 Jobed, cnt-crenate-dentate, smooth or downy ; calyx lobes linear, reflexed ; stamens 

 and styles much exserted. Rocky woods. May. 



1 3 R. UVA-CRISPA. English G. Spiny ; Ivs. roundish, short-stalked, hairy beneath ; 

 peduncle hairy, 1-flowered; fruit oval or globous, large (8 12")i red, green, amber, 

 white, &c. Europe. 



ORDER XLYI. CRASSULACE^E. HOUSE-LEEKS. 



Plants herbaceous or shrubby, succulent. Leaves entire or pinnatifid. 

 Stipules 0. Flowers sessile, usually in cymes and perfectly symmetrical. 



