Rosa, ICOSANDRIA POLYGYNIA. 513 
1. R. involucrata. R. ~~ os atc) 
Subscandent, armed with strong dicalerts stonighit 
prickles. Flowers in subsessile fascitles. Bractes in form 
of a four or five leaved laciniate, inferior calyx. 
A native of Nepal and Bengal; it flowers about: the 
beginning. of ‘the warm weather in February ; its seed ri- ~ 
pens in the rains. sStem and branches stout and ligneous, 
the latter often very long, subscandent, armed with strong, 
straight, stipulary prickles ; young shoots villous. Leaves 
pinnate ; common petiole villous, slightly armed, stem- 
clasping, base pinnatifid. Leaflets opposite; from five to 
eleven, oblong, serrate, villous underneath; the largest 
about an inch long, and half an inch broad. | Flowers 
terminal, from one to many together, subsessile, large, 
pure white, sweetly fragrant. . Bractes four or five, sur- 
rounding the base of the germ, singly they are lanceolate, 
_ acuminate, with the lower margins deeply laciniate, and 
villous. Calyx villous ; divisions entire. Corol single. 
Petals obcordate. Germ globular, villous. 
2. R. centifolia. Willd. 2.1071. 
Germs ovate, with peduncles hispid. Stem inispid, 
and prickly. Petioles unarmed. 
Arab. Wurd.)* 
Pers. Gool. 
Hind. and Beng. Gulab. 
3. R. chinensis. Wilid. 2. 1078. 
Germs obovate. Stem with remote, large sladilik: 
Peduncles hispid. -Petioles almost unarmed, Leaflets 
about five, broad-lancedlate, serrate, having both sides 
smooth. Divisions of the calyx away on the ingle, 
Beng. Kanta, or Kath-Gulab. ‘ 
A native of China. Flowering time the cold sea- 
psi * datas so well with Linnzeus’s senipilen Mf 
Man. 
