NOTICES OF BOOKS AND IMEMOIRS. 217 



than mj^ three plants of last year. One clay, seemg a ship 

 unloacUng grain at this very point, I ascertained from the sailors 

 that the cargo came from Eussia. The plant has got a fan- hold of 

 the coast, and, if not unduly gathered, will spread. I regret my 

 specimens are so poor, hut I was too early this year for matured 

 examples. — J. L. Warren. 



Rumex sylvestns,W£dli\ Damp spot, Kelvedon, Essex. Sept., 

 1876. — E. G. Varenne. This j)lant seems to me not true si/lvestris, 

 but a hybrid between ohtimfoUus and nemorosus, or, possibly, con- 

 glomeratus. — J. T. Boswell. 



R. ohtusifolhis, Auct., var. sylvestris, Wallr. Bank of Forth, 

 between Causeway Head and Cambuskenneth, Co. Clackmannan. 

 September 12, 1826. There is a good deal of this plant on the 

 north bank of the river ; unfortunately it escaped notice till late in 

 the season, and then only a few poor specimens could be got. — T. 

 Drummond. I think this the same as the Putney plant. — J. T. 

 Boswell. 



Rumex — hybrid? At the bottom of a coast-cliff, near Down- 

 derry, St. Germans, E. Cornwall. July 24, 1876. A very curious 

 plant, near crispus or jjratensis. Much like the former in the greatly- 

 waved leaves, though only the lower stem ones were noticed, the 

 root-leaves being withered when it was found. The panicles grew 

 very high. Some of the enlarged petals had short acute teeth. 

 There was only one root at the spot. Probably a hybrid. — 

 T. R. A. B. I think this must be referred to R. crispus var. sub- 

 cordatus, Warren. It appears to fruit too freely to be a hybrid ; 

 stiU, as Mr. Briggs suggests, it may be one between crispus and 

 pratensis. — J. T. Boswell. 



Typ)ha (J sp.) Shallow pool in the Tavy Valley, near Lopwell, 

 S. Devon. July 27, 1876. I suppose angustifolia by the narrow 

 leaves, &c., but the larger of the spikes seems in some measure to 

 approach T. latifolia. In other cases I have also noticed inter- 

 mediate features in Typha specimens collected in this neighbour- 

 hood. — T. R. A. B. This comes very near the T. latifolia ft. media, 

 but it is nearer the genuine latifolia than the Wimbledon plants 

 mentioned in 'E. B.,' ed. iii. — J. T. Boswell. 



Potamogeton nite^is, Web. I send examples of this pond- weed 

 (gathered m June, July and Aug., 1875-6) from different parts of the 

 Tweed and Teviot, where it is very common, I may say abundant, 

 in the counties of Pioxburgh, Berwick, and Northumberland. It is 

 variable in appearance, like others of the family, as will be seen 

 from specimens sent. In the description of the leaves in ' Student's 

 Flora,' recurved is surely a misprint for wcurved. — Andrew 

 Brotherston. Very luxuriant specimens. — J. T. Boswell. 



** Potamogeton lucens, Linn., b. decipiens:' In the Wye, Sellack, 

 Herefordshire. August 12, 1876.— Augustin Ley. I should like 

 much to see a series of specimens of this plant, particularly some 

 in fruit, and with the barren branches fully developed. I am 

 inchned to name it P. nitens, though the leaves are less amplexicaul 

 than they usually are in that plant, but they are too much so for 



2f 



