CYSTIPHOII.E. 



SIZE. Cells -004- 005 mm., with tegument '008-' 01 2 mm. 

 Families -025-'045 mm. 

 Kirch. Alg. Schles., 251. 



Coccoch Ion's cystifera, Hass. Alg. 441, t. 103. 

 Glceothece devia, Nag. Einz. Alg., t. 1, f. G. 3. 



On rocks. 



Plate LXXXVI11. fig. 1. Cells and families magnified 400 diam. 



Gloeothece garanosa. R-xlh. Alg. Ear. n., 61. 



Thallus compact-gelatinous, somewhat cartilaginous, granu- 

 lose, blue-green; cells oblong, twice as long as broad, usually 

 2-4 ^associated in families ; tegument very broad, many times 

 exceeding the central cell, distinctly lamellose, colourless or 

 nearly so, lamella? scarcely diffluent ; cell contents homogenous 

 or granose, pallid blue-green. 



SIZE. Cells -014--018 mm. diam. 



Palmella granosa, Berk. Glean, ii., p. 19, t. 5, f. 5. 



Microcystis granulosa, Meneg. Nost. 85. 



Hcematococcus granosus, Hass. Alg. 327, t. 81, f. 6. Jenner 

 Tunb. Wells, 90. Harv. Man. 181. 



On mosses in swamps. 

 Plate LXXXVII1. fg. 2. Cells and families magnified 400 diam. 



GENUS 92. APHANOTHECE. Nag. (1849.) 



Differing from Gloeothece in all the teguments being usually 

 confluent. Cells oblong or subcylindrical. Cell-contents now 

 and then green, and then with difficulty distinguished from 

 Palmella. 



Aphanothece prasina. Br. in Rabh. Alg. No. 1572. 



Thallus gelatinous, more or less globose, tuberculose, the 

 size of a cherry, intense bright leek-green, sometimes confluent, 

 and then lobed, internally now and then interwoven with hyaline 

 threads; cells oblong or ovoid, 1-2 times longer than broad, 

 after division sphserical, tegument none, cell-contents verdigris 

 green. 



SIZE. Cells -005--006 x -008--011 mm. 



Eabh. Alg. Eur. ii., 65. Kirch Alg. Schlos. 252. 



Coccochlcnis stagnina, West and Wall. Herb. Belg. 1099. 



Aphanothece Mooreana, Lager. Sver. Algflora p. 44. 



Palmella Mooreana, of this work p. 12, t. 5, f. 4. 



In ditches and stagnant ponds. 



