INDEX.

A

ACHNANTHES, Ag.

brevipes, Ag.
Carmichaelii, Grev.
longipes, Ag.
unipunctata, Grev.

ALARIA, Grev.

esculenta, Grev. Amphiconium aureum, Spr. Linnai, Spr. ANABAINA, Bory

flos-aquæ, Bory ? spiralis, Thompson,

APHANIZOMENON, Morren

incurvum, Morren

ASPEROCOCCUS, Lamour. castaneus, Carm.

compressus, Griff. echinatus, Grev. fistulosus, Hook.

? pusillus, Hook.

35

Turneri, Hook.

34

setigera, Ag.

vermicularis, Griff.

35

vermicularis, Moore

35

Auricularia

BYSSOIDEÆ,

Byssus

aurea, Sm.

B

flos-aqua, Huds.

186.

nigra, Sm.

purpurea, Lightf.

172

172

C

172

129

172

affine, Harv.

110

? lætevirens, Harv.

173

barbatum, Ag.