320 DOG rose: cotoneaster 



i^ Caly.v-tuhe ovoid, one or more sepals pin- 

 nate, persistent; flowers large, scented, 

 in tufts of 3 4 ; fruit red. 



R. canina, L. Dog Rose (Fig. 129). Stem erect, putting 

 out long sweeping and arching, terete branches, with 

 scattered, strong, equal hooked prickles, smaller above. 

 Flowers large, scented, solitary or in groups of 34 on 

 glabrous pedicels, at the ends of the shoots. Sepals 

 reflexed, pinnate, deciduous. Styles free, hairy. Fruit 

 urceolate, ovoid or rounded, with a flat disc. 



** Flowers epigynous, the stamens and petals 

 inserted on the margin of the calyx-tube 

 projecting beyond the syncarpous ovary, 

 or on a disc-like swelling on the top of 

 the latter. Carpels few, 1 5, buried in 

 and subsequently fused more or less with 

 the calyx-tube or floral axis. 



t Flowers Rosaceous with 2 5 (rarely 1) styles 

 traceable through the epigynous disc, free, or 

 united below. 



Ovary syncarpous at the base only, the 2 3 

 half-exserted hony carpels and their styles 

 projecting free. Flowei's small, 6 7 mm. 

 in diameter, drooping. 



Cotoneaster vulgaris, Lindl. Cotoneaster. Rare, low 

 bush, with rounded ovate, pubescent leaves, downy pe- 

 duncles and calyx-teeth. 



Flowers numerous; homogamous, with half-exposed 

 honey, rose-pink, in erect cymes. Calyx-tube cup-shaped, 

 enclosing the carpels at the base only in flower, subse- 

 quently creeping up over them. Fruit small, scarlet, 

 pubescent, pendulous. 



