126 
BRITISH DESMIDS. 
Stauiastrum arcuatum. Nordstedt Norges Desm. (1873), p. 36, f. 18. 
Archer, in Journ. Bot. (1874), iii., p. 92. 
Ireland. 
Staurastrum oligocanthum. Breb. in lilt. 
• Archer, in Micr. Journ. (1862), ii., p. 67 ; (1866) p. 189. 
Staurastrum Griffithianum . Nag. Bin. Alg. (1849), p. 128, t. 8 G. 2. 
Archer, in Micr. Journ. (1862), ii., p. 67 ; xiv. (1866), p. 67. 
Regarded by some as a form of Staurastrum spongiosum . 
Staurastxum Fxingsheimii. Reinsch. Alg. et Fung. (1867), t. 5 ,f. B 2. 
Archer, Micro. Journ. (1872), xii., p. 86. 
Cos. Kerry and Cork (Ireland). 
Staurastxum vexticellatum. Archer, in Micr. Journ. (1869) p. 196. 
Connemara (Ireland). 
Staurastxum maamense. Archer , in Micr, Journ. (1869) IX., p. 200. 
{Staurastrum pseudo-cr enatum, Lundell Desm. Suec. (1871), p. 
65, t. 4, f. 4.) 
Archer, in Journ. Bot. (1874), iii., p. 93. 
Galway (Ireland). 
Staurastxum apiculatum. Breb. Liste Desm. Norm.,p. 142, t. 1./.23. 
Archer, Micr. Journ. (1868), viii., p. 65. 
Ireland. 
Considered by some as a variety of Staur. dejectum , Breb. 
Staurastxum pileolatum. Breb. in Ralfs Desm.,p. 21 c. 
Close, in Micr. Journ. (1873), xiii., p. 99. 
Leenane, Co. Galway (Ireland). 
Staurastxum cerastes. Lundell Desm. Suec. (1871) p. 69, t. 4, fig. 6. 
Archer, Journ. Bot. (1874), iii., 99 ; Micr. Journ., xii. (1872), 
p. 202. 
Ireland. 
Staurastxum aversum. Lundell Desm. Suec. (1871), p. 59, t. 3, f. 27. 
Archer, in Journ. Bot. (1874), iii., p. 93. 
Ireland. 
Staurastrum Sebaldi. Reinsch, in Acta Senchenb. vi., p. 133, t. 24 D 1. 
var. /3 ornatum. Nordstedt Norges Desm. (1873), p. 34, f. 15. 
Archer, in Journ. Bot. (1874), iii., p. 91. 
Ireland. 
Staurastrum inconspicuum. Nordstedt Norges Desm. (1873) p. 26, 
f. 11. 
Archer, in Micr. Journ. x. (1870), 89. Journ. Bot. (1874), iii., 
p. 91. 
South and west of Ireland. 
Staurastrum paradoxum. Meyen. 
var. /3 longipes. Nordstedt Norges Desm. (1873), p. 35, f. 17. 
Archer, in Journ. Bot. (1874), iii., p. 92. 
Ireland. 
Docidium hirsutum. Bailey , Micr. Obs. (1850), pi. 1,/. 8. 
Archer, Micr. Journ. (1879), xix., p. 438. 
Ireland. 
