ON THE DUMETORUM GROUP OF RUBI IN BEITAIN. 173 



times broad); filaments white; styles white; fruit of 12-16 drupels, 

 evenly ripened and rather smaller than diversifollus. 



This is the only member of the dumetorum group with distinctly 

 setose-hairy stems. I have named it pilosus, as it approaches nearer 

 than any other English Dumetose Bramble to the R. G. plate. Mr. 

 Baker identifies it with the hirtus of Lindley, but to me this admits 

 of some doubt. It can only be confounded with dlversifollm in our 

 series, I suspect it would be in most herbaria labelled /wsco-a/^er, to 

 which of our five varieties it comes the nearest. Hedge, near Barnet 

 Common, Herts. Good and typical here, but I find since writing 

 my notes in ' Middlesex Flora,' common enough a little off the type 

 all round London. Haslemere, Surrey ; Mr. Baker. Sussex, typical 

 from Faircocks and Slate Houses, Henfield, in Borrer's herbarium. 

 " Between Freshwater and Yarmouth, Isle of Wight," a remarkable 

 plant, but I have little doubt this variety (J. G. Baker). Brierley, West 

 York, and probably from Easterside, near Hawnby, York, both from 

 J. G. B. It is a variable plant. Shade-grown specimens are more 

 weakly armed, with narrower, deeply incise-serrate leaflets, much less 

 tomentose beneath than the type. 



Rubus dumetorum, S. diversifollus, Lindl. (Plate CVII.) ; stem arcuate- 

 prostrate, obscurely angled, striate, with a decided bloom, and often 

 reddish-violet tinged ; aciculi and setae numerous, frequent, very un- 

 equal, with long compressed bases, often exceeding their height, but 

 their bases often enlarged, and the prickles often both strong and slender, 

 on the same stem, subpatent or declining ; primary prickles shade oif 

 gradually into aciculi, and those into setas ; also a few hairs ; all the 

 prickles scattered at random over and not confined to the angles 

 of the stem ; leaves ternate or quinate ; stipules linear-lanceolate ; ter- 

 minal leaflet obovatc-acuminate or oblong-obovate, subcordate ; petio- 

 lule equalling one-third of its length, with 7 or 8 prickles; interme- 

 diate leaflets oblong-obovate acuminate; basal leaflets obovate-acurai- 

 nate, sessile, imbricate ; all leaflets iJiiu, rugose, dull green above, hairy 

 and lighter green, but not white or grey-felted beneath, all fairly 

 evenly dentate-serrate, but generally doubly so towards the leaf-tip ; 

 toothing coarser and less even, however, on an average than in con- 

 cinnus. Basal overlap intermediate leaflets ; intermediate the terminal 

 leaflet. Both are rather narrowed to their bases. The terminal leaf- 

 let only subcordate. Flowering-shoot straight, stout, thick, sulcate, 



