VOLUME LXV NUMBER 2 
TH-E 
DOTANICAL 4@AZETTE 
FEBRUARY 10918 
ALGAE OF THE HAWAIIAN ARCHIPELAGO. II 
VAUGHAN MACCAUGHEY 
The following list will indicate the specific content of the alga 
flora of the Hawaiian Archipelago. In so far as has been possible 
to obtain published records, in addition to the author’s material, 
the list comprises practically all known Hawaiian algae. As the 
field has never been intensively surveyed in its entirety, there is 
undoubtedly a vast number of forms still undescribed. This is 
particularly true of the phytoplankton. The list includes brief 
characterizations, with special reference to habitat and geographical 
distribution. Items of special interest, such as economic uses, are 
also noted, although it has been necessary to restrict such data 
sharply for sake of compactness. The list is offered as a recon- 
naissance, and carries no implication of completeness. 
The sequence of families is that of ENGLER and PrantL; the 
sequence of species is that of DETont (Sylloge Algarum). The 
- determinations are principally those of TrtpEN, LEMMERMANN, 
Reep, and SETcHELL; in many cases material collected by the 
author has been compared with the original descriptions, and the 
representative stations or habitats have been confirmed, redefined, 
orextended. The literature concerning the habitats and ecological 
relations of Hawaiian algae is very scanty; the chief aim of the 
present paper has been that of summarizing available data, and 
thus indicating the need for more detailed and intensive investiga- 
tions. 
