Eubus.2 



XXVII. KOSACE^ : ROSEiE. 



127 



I 



\ 



variable plant, j8. being so altered by the effect of shade as to be often 

 taken for a different species. Stem dark purple in a, and y,, green in 

 Leaflets coriaceous in a. and y., flaccid in ^8. Petals white or 



j3. 

 pink. 



(See 14 R. rudis S., and 16 R. Koehleri e.) 



! 



•["I" Stem setose. 



Group V. Radul^. Slem armed with pricldes^ aciculi^ hairs^ 

 and set(B on all sides ; leaves qninate ; leaflets ohovate cuspidate 

 acuminate^ all stalked; calyx reflexed from the fruit; fruit of 



■g 



many drupes shinin 



13. R. RddidaW. (File-stemmed B.) ; stem striate, prickles 

 unequal passing by gradation into aciculi or setae, leaflets finely 

 serrate pubescent and strongly nerved beneath, panicle pu- 

 bescent-tomentose, sparingly prickly, sepals ovate tomentose. 

 W. and N. : LindL — jS. Hystrix; glands and setfe fewer, leaves 



less nerved beneath. R. Hystrix W. et N. — y.pygma^us ; stem 



S.foliosus; panicle leafy to the top. R. 



and prickles slender, 

 folius W. and iV. — 



e. Lingua ; transition from prickles to set^ 

 less gradual, panicle spreading, sepals pointed. R. Lingua 

 W. and N, R. scaber Bab. 



. Hedges and thickets, mostly in the south, on a sandy soil, not 

 frequent; 7. and 5. rare. 7, 8. — Whole plant pale green. Sepals 

 very tomentose, without seta; or leaf-point. Petals pink. • 



L J 



14. R. ricdis W. (rough B.) ; stem angular, prickles equal 

 mostly confined to the angles of the stem, hairs setas and aciculi 

 equal, leaflets doubly and coarsely serrate prickly beneath, 

 panicle hairy, with long prickles and setse, sepals lanceolate 

 leafy pointed prickly and setose. W, et N. : LindL — /3. Leigk- 

 toni; prickles of the panicle uncinate. 



Leighton, — y.foliosus; plant smaller, panicle leafy to the top. 

 — d, Reichenbachii ; aciculi and seta3 few. R. Reichenbackii 

 W. et N. 



Margins of copses in a stiff soil, frequent ; rare, near Swapstone, 

 Rev, A. Bloxam. 6, 7. — Stem dark fuscous, in B. inclining to green. 

 Prickles long, not passing by gradation into aciculi and setae. Leaflets 

 jagged, dark green. Panicle large, and long. Petals small, white. 



R. Leightoni Lees : 



Group vi. KoEHLERiANi. Stem armed with numerous prickles^ 



aciculi and setce on all sides; leaves ternate or quinate^ if 



quinate the lower pair of leaflets sessile. Fruit of many drupes^ 

 ; shining. 



a. Calyx reflected from the fruit. 



- 15. R. Guntlieri W. (Gilnther's B.); stem decumbent an- 



G 4 



