MARINE ALGJE OP VANCOUVER ISLAND 
115 
Renfrew, Butler & Polley; Victoria, Maeoun. The typical 
form seems to be common at these stations. 
Forma farvula Kjellman. Setchell & Gardner, 1903, p. 
299; P. R.-A., No. 931. Departure bay, Maeoun. 
Forma cordata (Turn.) Setchell & Gardner, 1903, p. 299; 
Harvey, 1853, p. 180, as I. cordata; Tilden, Centuries, No. 
328, as I. laminarioides. Port Renfrew, Butler & Polley; Esqui- 
malt, Harvey. 
Forma punicea (Post. & Rupr,) Setchell & Gardner, 1903, p. 
300; Harvey, 1853, p. 180, as I. punicea; P. R.-A., No. CXXII. 
Victoria, Departure bay, Cornox, Maeoun. 
Forma minor (J. Ag.) Setchell. Harvey, 1853, p. 179, as I. 
minor; P. B.-A., No. 587. Victoria, Maeoun. 
This species varies much, and intermediate forms to which 
it is impossible to assign definite names are very common. 
Gigartina mamillosa (Good. & Woodw.) J. G. Agardh. 
Setchell & Gardner, 1903, p. 301; Harvey, 1853, p. 175. This 
species also varies much in the form of the frond; three forms 
may be distinguished with some clearness, but there is no reason 
to consider one of them more typical than the others. 
Forma vulgaris Harvey, 1862, p. 172; Setchell & Gardner, 
1903, p. 302, as G. mamillosa forma dissecta; P. B.-A., No. 427, 
as G. papillata forma dissecta. Esquimalt, Harvey; Port 
Renfrew, Butler & Polley; Amphitrite point, Maeoun. 
Forma latissima Harvey, 1862, p. 172; Setchell & Gardner, 
1903, p. 301, as G. mamillosa forma cristata; P. B.-A., No. 426, as 
G. papillata forma cristata. Esquimalt, Harvey; Port Ren- 
frew, Butler & Polley; Victoria, Sooke, Departure baj^, Maeoun. 
Forma subsimplex Setchell. Setchell & Gardner, 1903, p. 
302; P. B.-A., No. 425, as G. papillata forma subsimplex. Vic- 
toria, Maeoun. 
G. exasferata, Harvey Bailey. Setchell & Gardner, 1903, 
p. 303; as G. radula var. exasperata ; Harvey, 1853, p. 177, 
P. B.-A., No. XVIII, as G. radula forma exasperata. Port 
Renfrew, Butler & Polley; Victoria, Harvey; Departure bay, 
Cape Lazo, Sooke, Maeoun. 
Forma Microphylla (Harvey) nov. comb. Setchell & 
Gardner, 1903, p. 303, as G. radula forma microphylla; Har- 
vey, 1853, p. 176, as G . microphylla; P. B.-A., No. XIX, as 
G . radula forma microphylla. Cape Lazo, Maeoun. 
