coHN’s ** BEITRAGE ZUR BIOLOGIE DER PFLANZEN.” 213 
with albumen coloured with aniline-red, and ‘‘ aggregation” was ob- 
ce 
contents of this paper in detail ; it is sufficient to say that it is a most 
iD 
cia accompaniment of, and supplement to, the work of Messrs. Dar- 
in and De odin ct 
ext paper is a short one by Dr. J. Schroeter ( Ueber die Ent- 
les 
ing: aad die Gpilanniebe Stellung von Tulostoma, Pers.) in which, 
er an account of the various phases of fruit-development, during the 
course of which no sexual arrangement was brought to light, it is 
proposed to erect Zulostoma into a special order (Zulostomacee) ; to this 
may perhaps be added, as a second genus, Pilacre 
Beitrag sur Kenntniss der nee von Dr. Leon Nowakowski, 
contains deseriptions of the following n w forms. Chytridium de 
struens, parasitic on Chetonema erregul are (n. gen. et sp.). 
gregarium, found in tolerable quantity in the egg of a Rotifer, with 
which is compared the organism taken by Mr. H. J. Carter as sperm- 
cells in the ovisac of Naias albida. Ch. macrosporum, found singly in 
the egg probably of a Rotifer. Ch. coleochetes, growing in the oogonia 
Mastigothrix eruginosa. . 
able for having a zoosporangium from which branches are given off, 
* M. Micheli thesk — e one sar Bib. ogg 2 ria 1876) properly ye 
to the observation of Mr. J k (Jo Botany, 1875, p. 268) w. 
by me f pec tik the febporte of e se 
ment traces of lithium introduced (as citrate of lithium) e leaves of 
Drosera and Pinguicula, that the absorpti the € is not an absolute 
test of the absorption albumi 6 above-menti - 
ments with coloured albumen show ’s 
fault. - 
+ The principal point on which ok gore author differs from M. De Can- 
dolle relates the epee se of oe _ part (‘ articu — on”) of the sassihive 
ich Dr. not see the two large “ cells the 
” discovered or on D De pare The latter gentleman us 
order to find these, the section m must fo theme ts ee Oe 
pad ‘Our own preparation ee *si-on) what way povaps be 
a Sm ee ee 
* 
