124 BOTANICAL NEWS. 
vol. 8., p. 213. As Messrs. 8. & K. refer to this article, their substi- 
tution of a mere MS. name is inexcusable. ee 
. 10. Fig. 2.—A. (Pluteus) patricius, Schul. A fine species 
apparently distinct from 4. cervinus, Scheff. 
Worrutineron G. Sura. 
Beskrifning ofver en ny art af slagtet Spirogyra. (Description of s 
ew Species in the Genus Spirogyra.] By O. Noxpsrepr. _ 
Appended to the enumeration of the Norwegian Desmiduee, noticed 
at p. 89, the author adds a description of a new species of Spiri- 
S . 
ends, about 2-5 times longer than broad, chlorophyll-band single or 
rarely double, spores 24-6. Zygospores ovoid, ordinarily twice 
0 ished wit 
presently diffluent, the second colourless, hyaline, densely ecre 
culate, the third smooth, chestnut-coloured. Sporiferous cells 
scarcely turgid, longer or shorter than the spores, not 
 Germinating plant claviform, root-cell much elongate and attenuate, 
ical ually attenuate, with obtuse apex. Breadth of cell 
29-37 m.m.m. Breadth of zygospore 37-48 m.m.m.; its length 7 
88 (—150) m.m.m. +4 
_The author points to this form being easily and certainly distin- 
guished from all species hitherto described ‘by its peculiar zygospors 
ree. yo it 
shaped, but rather more attenuate towards the top than in 8. — 
Auct., and this gradual attenuation towards the rounded erate a 
18 retained an is very distinct in the first and all succeeding 4? 
Gotanical Netws. 
Artictes my JovrNats. 
. pee (December, 1873).—H. L. Smith, “On Siliceous yee 
acillariz. or omaceze.”—§, A. Briggs, ‘‘ Diatomac 
Baltic Sea ” (transl. from Flégel. Tab. cit. H. Babcock, cee 
lement to Flora of Chicago and vicinity.” oo 
