146 Rosacee—Kerria. 
indehiscent, 1-seeded. Named in honour of Mr. Ker, editor of 
the early volumes of the ‘ Botanical Magazine.’ 
1. K. Japénica (fig. 82).—A small shrub with slender dark 
green branches and orange-yellow solitary terminal flowers. 
The double variety is the only one in general cultivation. 
4. RHODOTYPOS. 
Another monotypic Japanese genus. A deciduous shrub 
with opposite branches and leaves, and rather large white 
flowers. Calyx-lobes 4, large, foliaceous, deeply serrated. 
Petals 4. Stamens many. Carpels 1 to 4, drupoid, brown, 
shining, l-seeded, putamen bony. Name from pddor, a rose, 
and tuzros, a type. 
1. R. Kerrioides.—Leaves ovate or oblong-lanceolate, acute, 
deeply serrated, silky beneath. Flowers solitary, terminal. 
Trize IL.—RUBE A. 
Calyx-lobes persistent, ebracteolate. Stamens and carpels 
numerous; ovules 2, collateral, pendulous. 
5. RUBUS. 
Creeping herbs or sarmentose often prickly shrubs. Leaves 
distant, alternate, simple, lobed, or 3- to 5-foliolate, or impari- 
pinnate. This genus is remarkable for the fleshy drupes 
usually ageregated on a conical receptacle, and 1-seeded by 
abortion. The species are very numerous, and especially abun- 
dant in the northern hemisphere. A few are ornamental or 
curious. The old Latin name. 
1. R. fruticdsus. Bramble-——Some of the varieties are 
very pretty, as the double white, double rose, and cut-leaved. 
2. RK. biflorus.—This species is remarkable for its tall pure 
white spiny stems and is often seen under the name lewcodérmis, 
but that name belongs to a totally distinct plant. Leaves 
simple, trilobate vr ternate, glabrescent above, white and 
tomentose beneath. Flowers white, very abundant and showy. 
Fruit about the size of the Blackberry, deep orange or orange- 
red. Nepal. 
3. R. odvrittus.—Stem erect, unarmed, clothed with pur- 
plisb hispid glandular hairs. Leaves large, simple, 3- or 5- 
lobed; lobes toothed, the central one largest, pubescent be- 
