SHORT NOTES. 878 
to two or three species, and that the herbarium of Linneus does 
not decide how they are to be applied. As to his descriptions 
when sepnen - specimens so named, it is simply the Pigeon of the 
writer who uses them, not of Linneus, who did not know them. 
For ics ag A specimen named ‘“ com sae, an verum ? 
nequaquam,’’ noted by Sir J. E. Smith as ‘ complanatum Willd.” 
(our zosterifolius) is a narrow-leaved cri of heterophyllus Schreb. ! 
Another named “* gramineum 2?” noted in pencil by Sir J. E. Smith 
‘‘ cusptdatum,” is zosterifolius. Another ‘‘an P. compressum.” “ Brit. 
‘*The Linnean names, P. gramineus and P. compressus, have ie: 
so variously applied 6 this and the foitwiiiee species, as well a 
the varieties of some of the _heterophyllous species with the ase 
all submerged, and the species were so vaguely defined by Linnzeus 
himself, that they cannot now be satisfactorily identified, and I 
have followed most modern authors in taking up the species at first 
sige defined by. German botanists, and suppressing entirely 
the Linnean names.’’ And in this view I entirely concur.—ArTHuR 
ae: 
Aprocystis Brauntana Nag. —I have only just seen Mr. Alfred 
ennett’s memoir on North Cornwall Alge (Journ. Roy. 
Micros. Soc. 1887, p. 8), wherein it is stated that _Apiocystis 
only once before, by Hen s lon 1856.” this 
correct, it may be not without interest to mention that I distinctly 
r ber to have seen t ago, 
] 
( n 
was fo rtunate enough to see the zoospores, which were just as 
figured in the books. The type should be looked for in the 
London district, where indeed it was aed found by Henfre 
Its re-discovery in Cornwall seems to promise a wide distribution 
in this country.—Srrncer Moo 
rusca R. et §., iy Scorzanp,—Mr. J. McAndrew 
has specimens of the above species, from a moor in 
Kirkoudbrightshire, gathered in 1882, and remaining without a 
e present time. Though a southern and western 
Gaseios in England, it occurs in the south of we , “along the 
e on approaching Scotla I 0 Oo 
a so there is no antecedent reason why it should not 
oce otland from the distribution point. Formerly reported 
from Yorkshire and Sp though I ent its most northern 
English station is Cardigan.—Artuur Bennett. 
Cerastium arcticum Lan, Pte on.—In August, 1886, I 
pripered, upon one of the Couns of poowan, * Cerastium which 
thought to be C. Jatifolium Sm. Some of the specimens were 
