21. R. MUCRONULATUS. Uil 



fruit. Primordial fruit small, hemispherical ; its stalk 

 rather long. 



There is a specimen of what a})pears to be a very much 

 developed form of this species in the Herb. Borr.^ from "Bridge 

 of Ogwan," Caernarvonshire. The stem and leaves are badly 

 represented, but tiie panicle is magnificent. It is only part 

 of the flowering shoot, but is 16 inches long and all panicle. 

 The lower axillary branches fall short of the leaves, and 

 bear, upon a long sim})le base, many-flowered corymbose 

 cymes : the ultra-axillary part is broad, convex and densely- 

 flowered. The upper floral leaves are almost exactly cordate. 

 The i)anicle is very much more tliickly covered with patent 

 liairs than is usual ; so thickly as almost completely to hide the 

 few setse that are amongst them. But notwithstanding the 

 great difierence that seems to exist between this fine panicle 

 and the very nearly simple raceme of one of Bloxam's speci- 

 mens from Hartshill, and of my own from Islay, it is clear 

 that their real structure is identical. In the ordinary state 

 there are simple peduncles or corymbose cymes of very 

 few long-stalked flowers; but when something has caused 

 the cymose structure to be more fully developed we have the 

 many-flowered cymes of the plant from Ogwan. 



Mr Lees informs us [Bot. of Wore. 42) that this was his 

 former it. Lingua. 



M. Genevier has combined several plants distinguished by 

 P. J. Miiller with this species. They seem to differ from it 

 at the first view, but are probably not deserving of separa- 

 tion from li. mucronulatus. They are the R. leucaiithemus 

 of Mliller's Monograph, and the R. amphichloros described by 

 him in M. Boulay's Ronces ties Vosges, a book which I have 

 not seen. 



As this is a well-defined species no further remark is 

 requisite, I have received it from M, Questier as a possible 

 form of R. Bahingtonii. Unfortunately there is a bramble 



U— 3 



