232 THE JOURNAL OF BOTANY 
details given are sometimes very trivial, and can hardly be even of 
local interest. Thus of one botanist we are told: ‘she was blessed 
with an excellent mother, under whose pious and devoted care her 
early education was received until she was twelve years old”; 
July, 1898, and it was thought et he had almost recovered from 
the effects of the injury, as he was able to be. wheeled out in a 
chair on fine days, but on Friday evening he sank into unconscious- 
ness, from which he never rallie 
e have oo to the need of a biographical index of American 
ooenaiite, and we cannot conclude this notice of an important con- 
be more profitably expended in the compilation of some account of 
the bygone workers in the field, on whose redearches the history of 
any American botanists who are capable of carrying it into 
ieeisicn. The biographical notes in Prof. Sargent’s Silva of North 
America are models of brevity and completeness, and furnish an 
example and a foundation for what is required. bee S 
Danmarks blaagrénne seri: (Cyanophycee Danica). Af Jons. Scumipt. 
I. Ho nee. Copenhagen: Hagerup. 1899. 
n the was to this first part of an important work the 
‘ihe details the collections to which he has had access in the 
course of his work, among which are the herbaria of Lyngbye, 
arranged by MA. Flahault and Gana, and that of Hofman Bang. 
The geographical boundaries are also here defined. 
The first part of the paper deals with the whole group of 
Eyiniaph: yce@ under the headings of—A. Anatomy (cell-structure, 
trichomata, sheaths, and branching); B. Development and repro- 
duction; ©. Biological remarks (habitat and mode of life); D. 
Methods of examination of the blue-green algw; followed by 4 
bibliography. 
It has always been a more or less disputed re whether or no 
the Cyanophycee can be said to possess chromatophores; and Messts- 
Bornet & Flahault, in their ‘‘ Revision des Nowtceasace ~hatérooystées,” 
throw grave doubt on the statements of those authors who descri ribe 
these bodies in members of this group. Dr. Schmidt, however, 
paper “Untersuchungen itber de Bau der pean 
Bakterien”’ in support of his view Dr. Schmidt says that in 
rde see these chromatophores it is often ne gate 
in the ordinary living ce ll. He adds that ‘they are on a lower 
standpoint of differentiation from those of other alge,” and in the 
