1 46 Rosacea Kerria. 



indehiscent, 1 -seeded. Named in honour of Mr. Ker, editor of 

 the early volumes of the ' Botanical Magazine.' 



1. K. Japonica (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, 1 -seeded, putaraen bony. Name from poSoi', a rose, 

 and Tt/7ro?, a type. 



1. R. Kerrioides. Leaves ovate or oblong-lanceolate, acute, 

 deeply serrated, silky beneath. Flowers solitary, terminal. 



TRIBE III. RUBE M. 



Calyx-lobes persistent, ebracteolate. Stamens and carpels 

 numerous ; ovules 2, collateral, pendulous. 



5. RIIBUS. 



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 -aggregated 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 eld Latin name. 



1. R. fruticbsus. Bramble. Some of the varieties are 

 very pretty, as the double white, double rose, and cut-leaved. 



2. R. biflbrus. This species is remarkable for its tall pure 

 white spiny stems and is often seen under the name leucodermis, 

 but that name belongs to a totally distinct plant. Leaves 

 simple, trilobate or 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. odoratus. Stem erect, unarmed, clothed with pur- 

 plish hispid glandular hairs. Leaves large, simple, 3- or 5- 

 lobed ; lobes toothed, the central one largest, pubescent be- 



