136 BOTANICAL GAZETTE [FEBRUARY 
VALONIACEAE 
Valonia aegagrophila (Roth) Agh.—Thallus irregularly tubular; 
cosmopolitan in all warm seas. 
V. confervoides Harv.—Cosmopolitan in all warm seas; common 
in Hawaiian waters. __ 
V. utricularis Agh.—Called limu li-puu-puu by the natives, and 
used by them for food; these species all live re the coral reefs, 
and are important fish food. 
Dictyosphaeria favulosa (Agh.) Dcne—Common along the reefs 
and coasts in shallow waters; also collected at Laysan. 
Microdictyon umbilicatum (Velley) Zanard.—Leaflike, netted 
thalli; fairly common in pools and shallows along the reefs; a 
cosmopolitan species in all warm seas. 
PITHOPHORACEAE 
Pithophora affinis Nordst.—Native name limu pala-wai or li-pala 
wai; used for food; known only from the Hawaiian Islands. 
CHARACEAE 
Nitella havaiensis Nordst.—In streams, brackish ditches, and 
pools. 
Chara coronata var. leptosperma forma oahuensis (Meyen) 
A. Br.—In ditches and pools. 
C. gymnopus var. armata (Meyen) Nordst.—On all the islands, 
in ines shallow pools, etc. 
ZYGNEMACEAE 
Mougeotia capucina (Bory) Agh.—Dark violaceous, in streams 
and pools; cosmopolitan, from Scotland to New Zealand. 
Zygnema spontaneum Nordst.—In ditches, taro patches, rice 
fields, etc.; known only from the Hawaiian Islands. 
Soirveven | is represented in the Hawaiian Islands by a number 
of species, abundant in streams and pools, both on the lowland 
and in the mountains; a number of them are used by the natives 
as food, and are called collectively limu pala-wat. 
