ORDER 46. CRASSULACE^E. 117 



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

 celled ovary, limb tubular or bell-shaped, 4-5-cleft. Pet. 45, 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 5 

 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 



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



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



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



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



e Leaves not cordate Nos. 12, 13, 14 



1 R. rubrnm 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. NIGRTJM. 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. AUREUM 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. lacikstre Poir. Spiny and prickly; Ivs. deeply 3-5-lobed and incised, cordate; 



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



9 R. Cynosbati L. Piickly G. Spines in pairs, prickles few or none ; Ivs. 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'e ; flowers nearly solitary, pendulous, scarlet. California. Very handsome. 



1 1 R. liirtell HIM 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. 



1 2 R. rotundlfollum MX. Spines few and short ; prickles few or ; Iva. roundish, 

 lobed, cut-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"), red, green, amber, 

 white, &c. Europe. 



ORDER XLVI. CRASSULACE^E. HOUSE-LEEKS. 



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

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



