1886.] BOTANICAL GAZETTE. 127 
Dr. JuLius Rob. L, of Darmstadt, is publishing in Flora an extended paper, ‘‘ Zur Sys- 
tat dest aE ’ The Sphagna present a well gpa but always tempting field 
tudy, especially t mpting to German systematists, as they exhibit almost intermin- 
a oe variations eat an shee ndant opportunity for the Pineda (if not discrimination) 
of innumerable s, forms and subforms. 
Is “hele ak se me saciid oe silane See a Mr. -_ glas H. Campbell de- 
Seribes praee plate) th 1ent n ferns, the observations being 
arabe upon Ppa aes fx fa aaa Onoclea Strthlopteri oud 0. een sibilis. In 
ithe same issue Dr. Geo orge Y propose: ponte new species of G d tw 
rieties, six na which mth ae ie genus Agros 
THE siz the bordered pits of coniferous wood is found by Rev. J. L. Zabris saree to 
he quite cna in the same species, but to h up to a hundred per cent. arngseom 
‘mong different species. The largest exam inne are those of the sugar pine Lam 
bertiana — meen ‘the smallest of sus eanee — (Thuja gigantea). The former are abaiit 
T0090, a n diameter. 
DO a good service to batt teachers and students of botany by ppd their crate 
to the Hetiten tele nt of the summer course at the Botanic Garden 0 ard Univ 
‘The course as planned is an admirable one, and all who have sited “ ia dale ‘ica tur 
ssn how mabiseaaobdeteag Lani grr <p ar ke _- _ - os Leraccsane in the hands of a master. Mr. 
gams work. 
OTANICAL DEPARTMENT of the University of Nebraska has been ead a some 
excelent aaa _ igo y of books and exsiccate, as we learn from the students’ jour- 
Hesperi ooks are hig sets of the Pridies des Sciences sprite 
Pr ringshohn s ebadites eel wiss. Botanik, Boott’s Il ni wen of Cares and Ben aE: 
Flora Australiensis. oo exsiccatee inétade some 14,759 speci 
Preeaegm sider 
WIN often result in an enormous destruction of buds. Last winter, at 
Cam eh Hag Pg "aah a Sind storm of almost unprecedented severity and of five days 
ee: the snow was thickly covered with buds switched off the elm trees by the thrash- 
ing branches, Thene. - noe buds. collected under: the ioe of bean ane: walks in piles. 
number lost f ds, yet the trees seem 
12 No wise the worse as they unfold their leaves this spring. 
IN THE Journal A Botany, for April, Mr. J. G. Baker has begun a synopsis of the Rhizo- 
pee. In this first part the genera Lopiccan: and _Azolla are dncinded,. the Resale age _ 
wivieen stele, the latter with five. 
ica, b America gin mena of st: three are eli sped 
Agasca ein Asia, and one (S. natans) co: o Europe and Asia. The five species of 
Sela : are nathan but one (A. Caroliniana) panties into ae United States. 
A BOTANICAL CLUB has been organized in Utica, N. Y., and bears the name . Gray 
Botanical Club.” The name is peculiarly anoropdnth, poth from the position of the bota- 
nist whose name it commemorates, and also because the club is situated in his native 
county. It numbers 24 members at present and has an organization like that of the Tor 
it a suceessful future, 
G 
re 
Officers are Dr. J. V. Haberer, President 
ee Secretary ; Rev. Wm. B. Coleman, Treasurer; Mr. W. P. Shepherd, Curator. 
gives notes on certain vegetable parasites joffish in the Bulle- 
0 
i tis o-pe 
¢ina of Cohn which causes the reddening of coatish sh and which has been identified with 
that on ng fish in Franee, and "presumably the same as said to have caused sickness of 
Soldiers in Algi Sarcina cai ake of Fariow has been found associated 
with it on oat 1¢ eonete, and has recently been identified with S. litoralis found by Poul- 
udin Denmark. The latter name has precedence. The third species is Oidium 
Morrhuee of Far’ 
*Jour. N. Y. Mier. Soc., I, p. 218. 
- 
