138 
ALPHABETIC INDEX. 
Petalonema alatum, 99.* 
Phycoseris fasciata, 58. 
gigantea, 59. 
lanceolata , 59. 
Lima , 59. 
Phyllerpa, 16.* 
Phyllerpa prolifer a, 1 6 . 
PlKEA CALIFORNIA, 131. 
Polyphysece, 33. 
Porphyra, 52, 53.* 
amethystea ,, 53. 
laciniata, 53. 
linearis , 53. 
purpurea, 53. 
vulgaris, 53.* 
Ptilerpa, 16.* 
Ehipocephalus Phcenix, 46 . 
Rhizoclonium, 69, 91.* 
obtusangulum, 92. 
riparium, 92.* 
Rhodomela lycopodioides, 126.* 
Rhodymenia corallina, 128. 
Rivularia, 98, 109.* 
Rivulariece, 96. 
Schizosiphon scopulorum, 105. 
SCYTONEMA, 98, 100.* 
Siphoned, 7, 9.* 
Sphacelaria arctica, 124.* 
Striaria, 123.* 
■ ATTENUATA, 123.* 
Stypopodium jlavum, 123. 
Tetraspora, 52, 60.* 
Tetraspora bullosa, 60. 
Godeyi, 61. 
lacunosa, 61.* 
perforata, 61. 
Tuomeya, 63, 64.* 
FLUVIATIL1S, 64.* 
Turbinaria, 121.* 
decurrens, 121 . 
denudata, 121 . 
vulgaris, 121.* 
Udotea, 12, 26.* 
CONGLUTINATA, 27.* 
FLABELLATA, 26.* 
Palmetta , 27. 
Ulva, 52, 58.* 
Bertolonii, 59. 
bullosa, 60.* 
divisa, 58. 
FASCIATA, 58.* 
intestinalis, 57 . 
lactuca, 60.* 
LATISSIMA, 59-* 
LINZA, 59.* 
plumosa, 31 . 
Ulvace^e, 7, 51* 
Valonia favulosa , 50. 
Valoniaceve, 7, 41.* 
Vaucheria, 12, 30.* 
Voucher iece, 9. 
Z ON ARIA FLAVA, 123.* 
Zygnemacea:, 7, 93.* 
