NOTES ON DR. POCKE'S RUBI EUROPiEI 179 



evident throughout. Some criticism of the conclusions reached 

 is, however, inevitahle. And naturally those whose opportunities 

 of study have been more concentrated through a long series of 

 years on the forms occurring in any one country, or group of 

 neighbouring countries, may still doubt whether the last word 

 has been said in every case. As will be seen by anyone turning 

 over the pages (in the earlier groups especially), Dr. Focke finally 

 assents to most of our names, though he often groups them 

 differently, as was to be expected in so elaborate a classification 

 as that now formulated by him. To this difference of grouping 

 only occasional reference will be found in the following notes. 

 The few illustrations from photographs which occur here and 

 there — however unsatisfying in some respects, as they must 

 always be — are yet of real value as reproducing exactly both 

 leaves and detailed outline of flowering branches. 



The first three groups of the Fruticosi section of Bubus in our 

 London Catalogue, ed. x. {Siiberecti, Suhrhamnifolii, and BJiamni- 

 folii) contain twenty-four numbered " species." Of these, four 

 (castrensis, incnrvatus, diirescens, and lacustris) are, so far as is at 

 present known, endemic in Britain, and so necessarily retain our 

 names in Buhi Europai ; as do eighteen out of the remaining 

 twenty, leaving only two of the twenty-four — B. integribasis and 

 B. LindUianus — in doubt. Of these, B. integribasis must now 

 apparently be either struck out of our list, or provisionally, as a 

 matter of convenience for reference, changed from " B. integri- 

 basis P. J. Mlill. ? " (as it now stands) to B. integribasis Rogers 

 {non P. J. M.) ; as Dr. Focke, who first suggested the name for 

 our plant, has, after considerable previous hesitation, distinctly- 

 disallowed it. He says of it : " In planta Britannica [B. integri- 

 basis Eogers) foliola potius obovata, aculei pauUo longiores et 

 robustiores sunt. Stamina stylos superant. Petala roseola. 

 B. cceresiensi [Sudre et Gravet] sine dubio magis aflfinis quam 

 B. integribasi." And he adds, " Im siidhchen England." Our 

 plant, as thus distinguished, is locally abundant throughout 

 South-east Dorset and along the New Forest border in South 

 Hants, extending in that direction to Woolmer Forest, North 

 Hants. I have also seen it on Tooting Common, Surrey. It 

 must therefore have a permanent place in our list, and ultimately 

 a new name. 



In the case of B. Lindleianus, Dr. Focke now writes : 

 " B. vulgarem et B. Lindleyanum olim (Syn. Rub. Germ.) dis- 

 tinguere conatus sum, sed revera omnino confluunt et limites 

 naturales non existunt." Whether in consequence of this we 

 should change our name is no doubt a question for decision ; as 

 to which, I must own, I feel no little difficulty. Lees's Lindlei- 

 anus is one of our most widely distributed and strongly marked 

 British brambles, with which I have long been very famihar. Of 

 the German B. Lindleyanus (Syn. R. G. and Aschers et Graebn. 

 Syn. Mitt. Fl.) I have seen no specimens ; but I have six sheets 

 of " B. vulgaris Wh. & N.", collected by Dr. Focke at Minden 

 (1871 and 1873), Rinteln (German, boreal.) 1872, and Bremen 



p 2 



