252 THE JOURNAL OF BOTANY 
pin reper disposes of the suproee es that the galls might 
originate male flowers, modified by the infection of the 
Aegeaiaaa "Phis conclusion is cdi “confirmed by the case 
of the Porotrichum now recorded, e the galls all occur at 
at of the tena: “trarahine, aioe flowers are never 
pro d 
In all probability the See is the same in all these galls, 
as Schiffner found them t e same on the various species 0 
Dicranum, &e., from aie te obtained them; and Ménkem meyer’s 
I obtained from Porotrichum adopeipese oreover, his description 
of the alteration in structure produced in the leaves composing 
the gall in H. flwitans agrees exactly with my own observations. 
on oy Oo er occasion observed anything in the 
nature 42. O specimen of Hurhynchium 
Swartzii Hobk., gathered in a ditch in Yardley Chase, Northamp- 
mshire, in 7 ture of the gall remained at the time 
undetermined, and the moss was put on one side; but recent. 
contents of the galls to be r, and ELurhynchium must 
added to the list of those penetl P iltondy known to be infested 
by the Anguillule. 
DESMIDS FROM VICTORIA. 
By G. 8. West, M.A., F.L.8. 
Mr. A. D. Harpy, of the Lands Department, Melbourne, 
Victoria, is very Soe! forwarding me some interesting Australian 
alge, among which are a number of new forms. Heis systematically 
which £ g plankton- Sunde! from the Yan Yean Reservoir, from 
tha? i) 
Pl eas ibn mamillatum, sp. P. parvum, modice 
elongatum, cellulis diametro 14-15. plo Tongioribua semicellulee 
subcylindrice, leviter et gradatim attenuate e medio a apicem versus, 
ergot subprominenti ad basin et esta hen 10-11. undulatis, 
un 
atim minoribus apicem versus; apicibus convexo- 
truncatis, verrucis magnis conico- maihlatis subdivergentibus 6-7 
Hg be instructis ; membrana subsparse punctata. Long. 372- 
; lat. bas. semicell. 28-3 81 »; lat. med. semicell. 27-29 B; 
ae apic. semicell. fing: verruc, 17- 19 , cum verruc. 21-23 p. 
an Yean rah Victoria; in the plankton and 
amongst weeds at the m 
CROSTERIAS pitied LE Hobson var. M, 
var.n. Var. lobulis sa fecitaibas ko baru eats multe mapas 
