172 ENGLISH BOTANY. 



Sub-Species XI.— Rubus thyrsoideus. Wimm. 



Bab. Man. Brit. Bot. ed. v. p. 100. 



Barren stem arching-erect, angular, furrowed, sub-glabrous; 

 prickles rather strong, spreading or declining, from a large slightly 

 compressed base. Leaves of the barren stem quinate ; leaflets sub- 

 coriaceous, flat, glabrous above, grey-felted beneath, with longer 

 scattered hairs amongst the felt ; sharply irregularly or doubly 

 serrate ; terminal leaflet rhomboidal-oval, acuminated. Flowers 

 in a long narrow panicle, with the latei'al branches spreading 

 corymbose, the lower ones but slightly elongated, ascending, and 

 corymbose ; rachis and peduncles felted, with numerous longer 

 hairs amongst the felt, and with strong hooked prickles. Sepals 

 felted with longer hairs amongst the felt. Petals white. 



In hedges and thickets, sparingly but widely distributed 

 throughout England. 



England. 



This form resembles the last, but has the leaflets attenuated at 

 the apex, not pure white beneath, and with all the felted parts 

 interspersed with longer hairs. The flowers also are white instead 

 of pink. 



Professor Babington considers B. macroanthus (Bloxam) as a 

 large-flowered form of R. thyrsoideus. 



Thyrsus-flowered Bramble. 



Sub-Group II.— SYLVATICI. Bab. 



Barren stem with spreading woolly hairs, often dense, and fre- 

 quently deciduous. Prickles moderately strong, mostly uniform. 

 Leaves generally green, more rarely white-felted beneath. 



Scb-Species XII.— Rubus leucostachys. Siii. 



Plate CCCCXLVIII. 

 Bnb. Man. Brit. Bot. ed. v. p. 100. 



Barren stem prostrate-arching, angular, densely clothed with 

 woolly hairs; prickles numerous, spreading or slightly deflexed, 

 from a slightly dilated much-compressed base. Leaves of the 

 barren stem quinate ; leaflets subcoriaceous, flat, glabrous and 

 slightly shining above, and greyish-felted beneath, with longer hairs 

 interspersed, stifily-hairy on the veins, finely and irregularly den- 



