218 ‘NOTICES OF BOOKS. 
Ehrharti becomes S. umbrosa, Dum.; this plant has several other 
aliases. The arrangement of the Mints has been improved, but the 
Corsican species If. Requienit, established as a weed in one spot in the 
West of Ireland, is not noticed. No notice has been taken of the Te- 
sifolius, but R. maximus, Schreb., has the honour of specific rank apart 
fro , Pggitant o Be: 
truncata in Co. Cork, which one is glad to see, as the plant cannot now 
be detected at Amberley, where the few remaining ditches are choked 
i ; gure 2 i 
the matter is set right. Passing on to the Monocotyledons we find 
Nartheciwm located among the Melanthacea, a better position than with 
the Rushes. Our native J/uscar? is determined not to be MM. 
perly made a genus apart from 
important characters, and Potamogeton compressus, Sm., takes 
name of P. mucronatus, Schrad. In the Grasses, the somewhal 
ing grass Glyceria pedicellata, Towns., is put with G. beg 
puzzling gra p ; 
rather than with G. plicata; its characters are intermediate. 
satisfactory to find Hudson’s name Avra setacea adopted by } 
with the A. montana of Linnzeus ; 
raking up an obsolete name is always. highl 
misses the mark. The question, of course, is not whether 2 _ that 
has liberty to alter his views—no one would think of atg het 
described, W 
oint—but whether a published species satisfactorily. 
i erged in another 
earcely be 2 
ng his earlier 
neglectum, — 
Guss:, and takes its old name VU. racemosum again. Wolfia is very pr — 
from which it differs in very — 
AS Se, CS eae ee ae 
