134 BOTANICAL GAZETTE [FEBRUARY 
O. crispum var. havaiense Nordst.—In swamps and pools; a 
cosmopolitan species with numerous varieties. 
O. Pringsheimii forma pachydermatosporum (Nordst.) Hirn.— 
Collected in the Mauna Kea swamplands; a cosmopolitan species 
with numerous varieties. 
O. acrosporum var. majusculum Nordst.—Collected in the 
Mauna Kea swamps; another cosmopolitan species with numerous 
varieties. 
O. longicolle Nordst.—In pools and ditches; there are several 
varieties in Hawaiian waters. 
A number of the species of Oedogonium are plentiful in the 
mountain streams and in the vicinity of waterfalls. 
Bulbochaete varians Wittr. var. havaiensis Nordst.—Widely dis- 
tributed in temperate regions as well as in the tropics. 
B. rectangularis Wittr. var. hiloensis Nordst.—Another widely 
distributed species with numerous local varieties. 
COLEOCHAETACEAE 
Coleochaete orbicularis Pringsh.—Thallus minute, orbicular, 
2-3.5 mm. diameter; filaments numerous, articulate; cosmo- 
politan. 
C. irregularis Pringsh—Thallus irregular, bright green, fila- 
ments decumbent; cosmopolitan. 
CLADOPHORACEAE 
Chaetomorpha pacifica Kuetz.—Abundant along the shores; 
occurs in all tropical waters; filaments grass green, coarse and rigid. 
Cladophora fracta (Dillw.) Agh.—In streams and damp caverns; 
a cosmopolitan species with numerous varieties. 
C. inserta Dickie.—In brackish pools along the coasts. 
C. Nordstedit DeT.—In pools and swamps of fresh water; rare. 
C. composita Harv. and Hook.—Thallus pulvinate, spongiose, 
pale green; filaments delicate membranous, pellucid. 
C. nitida Kuetz.—This species is called limu hulu-ilio (dog’s 
hair) by the natives, and is sometimes used for food; it occurs in 
mountain streams and pools. 
C. composita contracta Brand.—Found along the leeward shores 
of the island of Oahu. 
