124 ROSACES. [RosA. 



midrib, pubescent and glandular petiole, and sepals densely glandular not 

 fully reflexed. Northumberland, Chester, Leicester. 



SERIES 2. Subcrista'tee. Leave* eglandular beneath. Sepals ascending after 

 the fall of the petals, not deciduous till after the fruit (which ripens early) 

 changes colour. 



VAR. 20, Reu'teri, Godet (sp.) ; near lutetiana, but prickles more slender, 

 peduncles short almost concealed by the bracts, leaflets glaucous, bracts 

 stipules and branches turning red. R. nuda, Woods ; t'repiniana, Deseg. 

 N. England, common. VAR. 21, subcrista'ta, Baker; like dumatig, except 

 for characters of tiitbcristatce. N. of England and Scotland. VAK. 22. Ihnl- 

 stondi, Baker ; leaves as in subcristata, fruit later, styles less villous, sepals 

 sooner deciduous, prickles passing into unequal bristles. Yorkshire. \ AR. 

 23, implex 1 a, Gren. (sp. ) ; like ur'bica, but fruit of this series. Richmond, 

 Yorkshire. VAR. 24, coriifo'lia, Fries (sp.); like dumetorutn, but fruit of 

 this series, peduncles very short and bracts large. R. bractescem, Woods. 

 From Yorkshire northward. VAR. 25, WaUo'ni, Baker; ditfersfrom com- 

 folia in the doubly-serrate leaves, smaller densely gland-ciliated bracts and 

 glabrous back of stipules, petioles pubescent and glandular. N. of England 

 and Scotland. VAR. 26, celera'ta, Baker ; habit and foliage of tomcittella, 

 but fruit of this series. Holy- well Dene, Northumberland. 



SERIES 3. Subrubigino'sse. Leaflets glandular beneath on the midrib and 

 principal nerves only (not on the surface, as in R. rubiyinosa). 



VAR. 27, Boi j reri, Woods (sp.) ; prickles stout much hooked, leaflets flat doubly 

 serrate glabrous above, glands obscure, stipules and bracts densely gland- 

 ciliate, backs of these and sepals naked, flowers many, peduncles bristly, 

 calyx-tube ovoid naked, sepals at length spreading or reflexed deciduous on 

 the fruit changing colour. R. dunietorum, Engl. Bot. Yorkshire to Sussex. 

 VAH. 23, liake'ri, Deseg. (sp.) ; prickles less hooked, leaflets obovate double- 

 serrate, flowers 3-4, peduncles very short, back of sepals bracts and stipules 

 thinly glandular, sepals at length ascending not deciduous till the naked 

 oblong fruit has changed colour. N. Yorkshire. VAR. 29, manjin'i'tn, 

 Wallroth (sp.) ; branches purple, prickles more slender less hooked, leaflets 

 altogether glabrous glaucous above pale beneath, veins prominent glandular, 

 flowers 3-4, sepals and fruit much as in R. Bakeri. R. BlondvKana, Kipart. 

 Arran on the Clyde, N. Yorkshire, N. Wales, Deny. 

 5. R. arven sis, L. ; bush large, branches long arching or trailing, 



prickles uniform stout strongly hooked, leaflets eglandular glabrous or 



slightly pubescent, flowers 1-6, sepals deciduous, styles glabrous connate 



into an exserted column, fruit ripening late, disk much thickened. 



Hedges and thickets, rare in mountain districts ; from Lanark and Haddington 

 southwards, and in Ireland ; fl. June-July. A low trailing plant in its usual 

 form, with the foliage and hooked prickles of R. can'uM. Leaflets glabrous 

 and shining above, rarely downy. Flowers rarely solitary, generally white, 

 scentless. Fruit naked; achenes sessile or stalked. DISTRIB. W. and 

 Mid. Europe, from Belgium southwards. 



Sub-sp. ARVKN'SIS proper; bush 2-3 ft., branches trailing purple glaucous, 

 prickles often very large, leaflets quite glabrous glaucous beneath, flowers 

 white throat yellow, calyx purple, sepals naked on the back short broad 

 reriexed after flowering deciduous not much pinnate, fruit subglobose small, 

 styles glabrous as long as the stamens. R. re fens, Scopoli. Common in S. 



