Vol. 38 No. 11 
BULLETIN 
OF THE 
TORREY BOTANICAL CLUB 
——- 
NOVEMBER, IgII 
Phycological studies—V. Some marine algae of Lower California, 
Mexico 
MARSHALL AVERY HOWE 
(WITH PLATES 27-34) 
So far as the writer is aware, the only paper in which the algae 
of Lower California (Baja California) have been described or 
noted is one by M. Paul Hariot, published in 1895.* In that paper 
seven species, five marine and two from fresh water, were recorded; 
of the seven, three were described as new. In our list published 
below, twenty-four species are definitely named and three others 
have been referred simply to genera, and as these are all different 
from the seven recorded by M. Hariot, we have now, for the 
beginnings of our knowledge of the algal flora of Lower California, 
some evidence of the existence there of at least thirty-four species. 
The fact that none of the collections thus far made duplicates 
any of the others even as to a single species may possibly be 
taken as an indication that the algal flora of this region, when 
better known, may prove to be rich and varied. The present 
paper is based primarily on a collection made at La Paz on Feb- 
ruary 28, 1911, by Sefior G. J. Vives, and submitted to the writer 
for determination by the late Dr. Pehr Olsson-Seffer, chief of the 
botanical section of the Departamento de Exploracién Biolégica of 
the agricultural bureau of the Mexican government. Sefior Vives’ 
collection includes eighteen species, of which seven are described 
below as new. In addition to this gathering, a collection of six 
* Algues du Golfe de Californie recueillies par M. Diguet. Journal de Botan- 
ique 9: 167-170. 1895 
[THE BULLETIN for nukes 1911 (38: 447-488. pl. 20-26) was issued 4 N 1911 J 
489 
