RIBES-ROSA. 133 



leafets in many pairs, lance-oblong, acuminate, acutely serrate, pnbe.cent 

 benealli; flowers in oblong, dense panicles, dioecious; clusters of fruit 

 covered with a purple, velvety down; berries red and very sour. Rocky 

 hills. 



cofinus, (purple fringe-tree, p-g. Ju. Yi.) leaves simple, obovate and ovate; 

 panicled racemes plumose. A small tree, with very minute flowers sup- 

 ported on capillary, downy, or hairy peduncles. Indigenous in Siberia, 

 Austria, and Lombardy. Ex. 

 RIBES. .5—1. {Cadi.) [Origin of the name doubtful.] 



Jlo'ridum, (wild black-currant, M. T2.) unarmed ; leaves punctate both sides; 

 racemes pendent ; calyx cylindric; bracts longer than the pedicels. 3-4 f, 



t/rifio''mm, (wild gooseberry, g. M. Tj.) spine sub-axillary ; leaves glabrous, 

 3-5-lobed, gash-toolhed ; peduncles sub-3-flowered ; pedicels elongated; 

 bracts very short ; petals spatulate, undulate ; style hirsute, half 2 or 3-cleft, 

 exsert, berry glabrous, pale red. 3-4 f. 



ru'brnm, (currant, g. M. l-j.) unarmed; racemes glabrous, nodding; corolla 

 flat; petals obcordate ; leaves obtuse 5-lobed ; stem erect; berries red. 2-4 

 feet. Ex. 



ni'gnmi, (black currant, g. M. T^.) unarmed; leaves punctate beneath; ra- 

 cemes la.x ; flowers bell-form ; bracts shorter than the pedicels ; berries 

 black. 5-3 f. Ex. 



grossula'ria, (English gooseberry, g. M. P^) branches prickly ; petioles hairy; 

 bracts 2-leaved; berry glabrous or hirsute. 2-4 f. Ex. 



UICINUS. 19—15. (Eiiphorbim.) [From rin, nose, and kunos, a dog, because the capsules 

 stick to the noses of dogs.] 

 commu'nis, (castor-oil plant, palma-christi, ©.) leaves peltate, palmate; lobes 

 lanceolate, serrate; stem with hoary mealiness. 4-6 f. Ex. 



ROBINIA. 1(3—10. {Leguminosm.) 

 pseudo-aca'cia, (locust-tree, false acacia, w. M. T^-) leaves pinnate, with a ter- 

 minal leafet; stipules thorny, or a thorn; racemes pendent; teeth of the 

 calyx unawned ; legumes smooth. 30-40 f 

 visco'sa, (clammy locust, Ju. '21.) racemes of one-flowered pedicels; pinnate 

 leaves with a terminal leafet ; branches and legumes viscid; racemes axil- 

 lary, dense-flowered, erect; flowers varying from red to white. S. Cul- 

 tivated. 

 kispi'da, (rose-locust, Au. r. T^.) racemes axillary ; calyx acuminate ; most of 

 the plant hispid ; leaves pinnate with a terminal leafet ; leafets round-oval, 

 mucionate, sometimes alternate. 3-6 f. S. Cultivated. 

 ROSA, n— 13. (RosacecB.) [The Latin name rosa, is from the Greek roion, red.] 

 parviflo'ra, wild-rose, r. w. 1^ ) germs depressed, globose; germs and pedun- 

 cles hispid; petioles pubescent sub-aculeate; stem glabrous; prickles stip- 

 ular, straight ; leafets lance-oval, simply serrate, glabrous; flowers some- 

 what in pairs ; very variable. 1-3 f. 

 rubigino'sa. (sweet-brier, eglantine, r. J. It.) germ ovate; peduncles and peti- 

 oles glandular, hispid ; petioles somewhat prickly ; stem glabrous ; prickies 

 scattered, hooked, slender; leafets (5 or 7) ovate, serrate, sub-glandular be- 

 neath. 3-4 f. 

 corymbo'sa, (swamp-rose, r-w. Ju. I7.) flowers 5-7, in terminal corymbs ; petals 



large, obovate, emarginate ; petioles tomentose. 

 lucid"a, leafets 5-9, lanceolate-elliptic, coriaceous, shining; stipules large, ser- 

 rulate; peduncles somewhat hispid; segments of the calyx entire, spread- 

 ing; flowers mostly in pairs. Mountain swamps. 3-4 f. The American 

 species of this genus are not, generally, well defined. 

 The following description o{ Exotic roses is from Eaton's Manual: — 

 cani'na, (dog-rose, }->.) germs ovate; germs and peduncles glabrous; stem and 



petioles prickly ; leaves ovate, glabrous. 

 gaV'lica, (French-rose, common rose, r. J. T7.) germs ovate; germs and pedun- 

 cles hispid; stem and petioles hispid-prickly. Sometimes the colours are 

 variegated. 

 damasce'na, (damask-rose, w. r. J. T2.) calyx half pinnate ; germ ovate, turgid, 

 (thickened near its top,) bristly ; stem and petioles prickly ; leafets ovato, 

 pointed, downy beneath. 



