‘BOTANICAL GAZETTE. 135 
WE LEARN from the Am. Microscopical Journal that Prof. Baird will cause 
the Utricularie to be thoroughly eradicated from the ponds of the U. 8. Fish 
‘ommission, especially U. vulgaris, as it is found that the bladders of the plants. 
entrap and kill large numbers of young fish. 
Pror. Dr. Lemsacn, of Sondershausen, Germany, has as yet received ng 
response to his offer to exchange for or purchase good herbarium specimens of 
American Orchidacee. Collectors will confer a favor by communicating with 
him, although they may have but a few kinds to offer. 
THE SECOND NUMBER OF Drugs and Medicines of N. A. is fully equal to 
the first, if not even better. It is devoted to the several species of Hepatica and 
Ranunculus, and is profusely illustrated with original cuts and plates, and a 
map showing the distribution of Anemone Hepatica and A. acuti 
WE curP the following from the Salem (Mass.) Gazette of July 15th: 
A REVIEW or Lesquereux and James’ Manual of the Mosses of N. A. by 
Eugene A. Rau will be published in the September number of the GazerrE, 
in which Mr, Rau supplements the habitats of many species as given in the 
Manual. It will be especially valuable to those who have purchased the book.. 
Pror. E. Ray LAnkester says, in the April Quart. Jour, of Micros. Science, 
that “there is no more reason for regarding the chlorophyll corpuscles of Spon- 
gilla or of Hydra as parasites, than there is for so regarding the chlorophyll 
corpuscles in the leaf of a buttercup”; that is, they are not imprisoned alge, 
but a legitimate part:of the animal. 
W. G. Smrrx, who professes to be among the most conservative of sateased 
ists, promulgates a theory in a late number of the Gardener’s Chronicle which is. 
more heterodox than the one he flings derision at. He considers that the 
wecidia spores of eidium Convallarie, Schum. are fertilized by direct contact of 
the spermatia, and then fall to the ground for a period of rest. ee 
the species autonomous. 
Iy a communrcatron to the Linnean Society in March, and later in the 
Torrey Bulletin, Mr. Chas. B. Plowright has shown the genetic connection be- 
tween wcidium on the European daisy and Puccinia obscura, one of the two 
Suceinice on Luzula campestris, The absence of the wcidial form in this country 
is the text of an interesting article by the same author in the Torrey Bulletin 
for June on the ecidia-bearing Uredinee as to their deportment when the 
cidum is present or absent 
A. Lixcoun Puexrs, of Baltimore, Md., died on the 14th of July in 
her Sst year. She will be best remembered as the author of Mrs. Lincoln’s. 
daughter of Samuel Hart, of Connecticut, was educated by her sister, Mrs. Wil- 
ard, and in her youth was known as Miss Willard of Troy, N. Y. Her first 
