RIBES-ROSA. 
133 
leafets in many pairs, lance-oblong, acuminate, acutely serrate, pubescent 
beneath; flowers in oblong, dense panicles, dioecious; clusters of fruit 
covered with a purple, velvety down; berries red and very sour. Rocky 
hills. 
rM"inus, (purple fringe-tree, p-g. Ju. 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. {Cacti.) [Origin of the name doubtful.] 
Jlo'ridum, (wild black-currant, M. Tj.) unarmed ; leaves punctate both sides; 
racemes pendent ; calyx cylindric ; bracts longer than the pedicels. 3-4 f. 
trijlo'rum^ (wild gooseberry, g. M. T^.) spine sub-axillary ; leaves glabrous, 
3-5-lobed, gash-toothed; 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'brum, (currant, g. M. Tj.) unarmed ; racemes glabrous, nodding ; corolla 
flat ; petals obcordate ; leaves obtuse 5-lobed ; stem erect; berries red. 2-4 
feet. Ex. 
ni'grum, (black currant, g. M. T^.) unarmed; leaves punctate beneath; ra- 
cemes lax ; flowers bell-form ; bracts shorter than the pedicels ; berries 
black. 5-3 f. Ex. 
grossula'ria, (English gooseberry, g. M. ^2 ) branches prickly ; petioles hairy; 
bracts 2-leaved; berry glabrous or hirsute. 2-4 f. Ex. 
RICINUS. 19—15. (EuphorbicR.) [From n«, nose, and kunos, a dog, because the capsules 
.stick to the noses of dogs.] 
commu'nis, (castor-oil plant, palma-christi, d).) leaves peltate, palmate; lobes 
lanceolate, serrate ; stem with hoary mealiness. 4-6 f. Ex. 
ROBINIA. 16—10. (LeguminoscB.) 
pseudo-aca'cia, (locust-tree, false acacia, w. M. T2-) 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. 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, 
mucronate, sometimes alternate. 3-G f. S. Cultivated, 
ROSA. 11—13. iRosacecB.) [The Latin name rosa, is from the Greek rot^ow, red.] 
parviJloWa, wild-rose, r. w. T7 ) 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. T2.)germ ovate; peduncles and peti- 
oles glandular, hispid ; petioles somewhat prickly ; stem glabrous ; prickles 
scattered, hooked, slender ; leafets (5 or 7) ovate, serrate, sub-glandular be- 
neath. 3-4 f.- 
corymbo'sa, (swamp-rose, r-w. Ju. 17.) flowers 5-7, in terminal corymbs ; petals 
large, obovate, emarginate ; petioles tomentose. 
hbcid^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 of Exotic roses is from Eaton's Manual : — 
cani'na, (dog-rose, T^.) germs ovate; germs and peduncles glabrous; stem and 
petioles prickly ; leaves ovate, glabrous. 
gaV'lica, (French-rose, common rose, r. J. T^.) germs ovate ; germs and pedun- 
cles hispid; stem and petioles hispid-prickly. Sometimes the colours are 
variegated. 
damasce'na, (damask-rose, w. r. J. T^-) calyx half pinnate ; germ ovate, turgid, 
(thickened near its top,) bristly ; stem and petioles prickly ; leafets ovate, 
pointed, downy beneath. 
