3(58 EUBUS ADSCTTUS AND U. MUTABILIS. 



large light pink petals, and grevish-green hue of the whole plant are also 

 remarkable. 



Til is J^ ramble is common and widely distributed about Plymouth, and 

 f he following are among its local stations : — Crabtree ; near Rumple 

 Quarry and elsewhere in the Plym Valley ; about Plympton and between 

 that place and Plymbridge ; at Ivybridge, and in the valley of the Ernie, 

 between it and Harford ; and at Buekland Monachorum. 



Mr. Bdker's herbaiinm contains a genuine specimen of the Riihiis 

 ohliqnns of Wirtgen, and this I have compared with the Plymouth plant 

 considen d identical by the Pev. A. Bloxam, and described by him in 

 Journ. Pot. Vol. VIII. pp. G9, 70. The points of diflerence between 

 these two Brambles seem to me very considerable, and I regard the Ply- 

 mouth one as much nearer the R. uiiitaliiJis of Genevier. It so greatly 

 rcsendjles this that I shall give a translation of M. Genevier's account of 

 it, for comparison with a description of the English plant, and afterwards 

 notice the points of dissimilarity between specimens of the two; those of 

 R. iniitnhilis, trom Genevier himself, in IMr. Baker's herbarium; those of 

 the other in my own. 



The following is from pp. 106-108 of Genevier's ' Essai Monographique 

 sur les Rubus du bassin de la Loire' : — 



" R. mutoh'dia, Gast. Genev. Mem. Soc. Acad, de M. et L., t. viii. p. 

 84; Arrondeau, PI. crit. du Morb. p. 29. 



" Stem angular or obtuse, reddish, with furrows flat on the sides, chan- 

 nelled at the top, with few silky hairs, very many glandular ones, very 

 imequal declining prickles, some falcate, the longest slender with enlarged 

 bases, placed over the whole surface of the stem, sharp. Leaves 3-nate 

 and pedate 5-nate; petiole finely furrowed, hairy, glandidar, with hooked 

 prickles ; the terminal leaflet with a stalk \ of its length, broadly oval, 

 slightly cordate, gradually acuminate ; side leaflets with long stalks, oval, 

 dilated' on the outer side, narrowed and slightly notched at the base, nar- 

 rowly acuminate; basal stalked, oval, acuminate, narrowed at each end; 

 all thick, coriaceous, of a deep green, with scattered decumbent hairs 

 above, the teeth broad, spreading, umriual, sharply pointed ; grey or sil- 

 very-white below, rough, felted, with prominent veins, and prickly midrib. 

 Flowering-shoot bluntly angular, flexnose, slightly hairy, very glandular, 

 with narrow, unequal, declining or hooked prickles. Leaves 3-nate, some 

 pedate 4-nate or 5-nate ; petiole flat or finely channelled, hairy, glandular, 

 aciculate, with bent or fiilcate prickles; terminal leaflet with petiole equal 

 to 7 of its length, broadly oval, sometimes rhomboidal, entire or slightly 

 notched at the base, gradunlly acuminate ; side leaflets with stalks equal 

 to yL or Jj- of their length, oval, gradually acuminate, lobed and dilated 

 on the outer side ; all thick, of a fine deep green, and almost glabrous 

 above, with large, shallow, spreading, sharp-pointed teeth ; grey or white 

 felted below, more rarely green when the plant is in deep shade, with 

 white, prominent, reticulating veins, midrib prickly. Panicle broadly py- 

 ramidal, spreading, compound, branched, lax, leafy, rough, hairy, with red 

 glands, aciculate, with small falcate prickles red at the base, yellow at 

 the top ; two lower branches lengthened out, many-flowered, from the 

 base of 8-nate leaves that they do not equal ; the succeeding ones many or 

 8- flowered, from the base of foliaceous bracts that they do not equal ; the 

 top ones lengthened out, narrow, small, often single-flowered, from the 

 base of trifid bracts, all furnished with numerous red glands, aciculi, and 



