HowE: CHINESE MARINE ALGAE 135 
vatively compiled list of known Chinese algae to 92 species, 
which is somewhat more than twice the known total as figured 
by Collins in 1919. 
But even as now increased, the list is a brief one for a coast 
line as long and as varied as is China’s and the number is sure to 
be greatly increased by future investigations. It seems probable, 
however, as already noted by Cotton, that owing to the great 
amount of fresh water brought down by the rivers Hoang-Ho and 
Yang-ste-Kiang and to other causes, the marine flora of China 
may prove to be not particularly rich. 
Besides the two species and one variety that are here described 
as new, the collections made by Mr. Cowdry appear to add to lists 
published previously to his own the following species: Ulva rigida, 
Enteromorpha Linza, Myriactis pulvinata, Chorda Filum, Sargas- 
sum microceraiium, Dictyota divaricata, Neurocarpus divaricatus, 
Endocladia complanata, Gymnogongrus flabelliformis, and Gloio- 
peltis coliformis. 
The list is remarkable for the inclusion of a considerable num- 
ber of species that appear to be identical with species that are 
more or less common on the Atlantic coast of the United States, 
such as Ulva Lactuca, Enteromorpha compressa, E. Linza, E. pro- 
lifera, Bryopsis plumosa, Scytosiphon Lomeniaria, Myriactis pul- 
vinata, Leathesia difformis, Chorda Filum, Gracilaria confervoides, 
G. lacinulata, Champia parvula, Rhodomela subfusca, Dasya pedi- 
cellata, Ceramium rubrum, and Corallina officinalis. This fact 
harmonizes well with correspondences in the land floras of eastern 
North America and eastern Asia already pointed out by Asa Gray 
and others. The annotated list follows, P referring to Pei-tai-ho 
and C to Chefoo: 
CHLOROPHYCEAE 
Utva Lactuca L. P, 292. Thallus 37-45 pu thick, the cells sub- 
quadrate in section. 
ULva ricipA Ag. C,525. Thallus 60-80 y thick, the cells twice 
as high as broad, showing conspicuous trigones in a surface 
view. The membrane is occasionally perforate and it is ap- 
parently the Ulva pertusa of Cowdry’s list. 
ENTEROMORPHA COMPRESSA (L.) Grev. P, 294. 
ENTEROMORPHA Linza (L.) J. Ag. forma. P, 201; C, 553; appar- 
ently the first record for China. 
