XXII. JSHAMNA CE^ : BHA'MNUS. 



175 



oblong- 



257. Rh^mnus dahiiricus. 



Spec. Char., ^c. Erect. Leaves 



ovate, serrated, smooth, veiny. Flowers 



dioecious, female ones with bifid stigmas. 



(Don's Alill.) A deciduous shrub. Da- 



huria, near the river Arguinus. Height 5 ft. 



Introd. in 1817. Flowers greenish yellow ; 



May and June. Berry black ; ripe Sept. 



The general appearance of the plant is 'Q 

 that of R. catharticus, but it is without 

 thorns. The wood is red, and is called sandal 

 wood by the Russians. 



jt -^ \\. R. /<LNiFo^Lius L'Herit. The Alder 

 leaved Buckthorn. 



Idmti/Jcafion. L'Herit. Sert., t. 5.; Dec. Prod., 2. p. 25.: 



Don's Mill., 2. p. 32. 

 Engravings. Hayne Abbild., t. 61. ; and our fig. 2.'i8. 



Spec. Char., c^r. Erect. Leaves obovate or ovate, serrulated, obliquely Hne- 

 ated with lateral nerves, acuminated or obtuse, smoothish beneath, except 

 the nerves. Flowers hermaphrodite or dioecious. Pedicels 1-flowered, ag- 

 gregate. Calyxes acute. Fruit turbinate. (Boil's Mill.) 

 A deciduous shrub. Hudson's Bay to Pennsylvania, in 



sphagnous swamps. Height 

 2 ft. to 4 ft. in America ; 6 ft. 

 to 8 ft. in England. Introd. 

 in 1778. Flowers greenish 

 yellow ; June and July. 

 Berry black, fleshy, 3-seeded; 

 ripe in September. 

 Varieti/. 



a. a^ R. a. 2 frangulmdes 

 Dec. R. franguloides 

 ikfic/i^. (N.DuHam..3. 

 t. 15.; our /g. 259.) 

 Leaves oval, serrated, 

 pubescent on the nerves beneath. Canada to Virg nia. Introd. 1810. 



258. Rh&mnus ninifolius. 



S,')9. R. a ftanRulfiides. 



12. R. alpi'nus Lin. 



Jdcntification. Lin. Spec, 213. ; Don's Mill., 2. p. 32. 

 Engravings. N. Du Ham , 3. t. 13. ; Bot. Cab., t. 1077. 



Arb. Brit., 1st edit., vol. v. ; and our 



flgs.'m). and 261. 



The Alpine Buckthorn. 



Schmidt, 3. t. 157. ; the plate of the tree in 



200. Ahanmns alplnus. 



261. Rhimnus alp'nus 



Spec. Char., Sfc. Erect, twi&ccJ. Leaves oval lanceolate, crenate-serrated, 

 smooth, lineated with many parallel neves. Flowers dioecious, female ones 



