60 RUBUS. 



reliance on authentic specimens leads, the reader may consult Turner's 

 Synopsis of the British Fuci, i. p. 4, &c. ; and Leighton's Flora of 

 Shropshire under the present genus. 



The following analytical tahle may assist the student in determining 

 the names of our Eastern Border shruhby Brambles : — 



A. Stems erect or nearly so. 



Leaves white underneath R. idseus. 



Leaves green on both sides R. plicatus. 



B. Stems arched or trailing. 



* Stem smooth, glabrous or slightly hairy. 

 -|- Lower leaflets overlapping. 



T. leaflet cordate, the lower stalked . . R. nitidus. 

 T. leaflet rhomboid, the lower sessile. . R. corylifolius. 

 -|~|- Lower leaflets separate, retroflexed. 

 § Stem angular. 

 T. leaflet obovate cuspidate green be- 

 neath R. macrophyllus. 



T. leaflet obovate cuspidate white be- 

 neath R. rhamnifolius. 



T. leaflet cordate cuspidate green .... R. cordifolius. 



§§ Stem roundish. 

 T. leaflet suborbicular cuspidate green R. mucronatus. 

 T. leaflet cordato-ovate acute R. carpinifolius. 



** Stem villous, the hairs patent R. leucostachys. 



*** Stem rough with setse and glands, 

 angular. 



f Leaves 5-nate, lower leaflets stalked. 

 Stem furrowed or concave between the 



angles R. rudis. 



Stem convex or plane between the 



angles R. radula. 



-ff Leaves 3-nate or 5-nate, when the 1. 



leaflets are sessile R. Koehleri. 



**** Stem setigerous, round and glaucous. . R. csesius. 



166. RuBus iD^TJS. Ci^t 3&a:Sp or SRnsiptfrrj). — Stem round, 

 glaucous, prickly ; leaves white beneath, the terminal leaflet heart- 

 shaped acute, irregularly lobed and serrate, serratures mostly mucro- 

 nate. — Common in woods and deans. On the edge of a wood, or 

 along the shelter of a dike in our muirlands, it frequently forms a 

 sort of copse vrith the Braken. It likes also to grow amongst whins. 

 June. 



167. R. PLICATUS. W. and E. tab. i. — Stem angular, smooth, 

 striate, with prickles on the angles ; leaves green, the terminal leaflet 

 cordate-acuminate or broadly ovate and pointed, crenato-serrate, 

 entire at the base, the lateral leaflets often lobed below. — In denes, 

 rare. B. Blackburnrigg dean, where I gathered it with Mr. Hardy; 

 who finds it also in Birchiebank, Penmanshiel, and Akeside. Banks 



