Botany. 227 



SPIROGYRA majuscula, Kiitz. Eltham. 



S. nitida, Link. Hayes. 



S. varians, (Hassel), Kiitz. Westerham, '01. 



N.O. 2. DESMIDIACE/E. 



CLOSTERIUM acerosum, Ehr. Bromley. 



C. Leibleinii, Kiitz. Keston. 



C. lunale, Ehrh. Common. 



C. moniliforme, Ehr. Bromley. 



C. rostratum, Ehr. Bromley. 



C. striolatum, Ehr. Keston, '84. 



C. turgidum, Ehr. Keston, '83. 



COSMARIUM botrytis, Menegh. Bromley. 



C. cucurbita, Breb. Keston, '83. 



C. margaritiferum, Menegh. Keston, '84. 



C. Ralfsii, Breb. Keston, '84. 



CYLINDROCYSTIS brebissonii, Menegh. Keston, '85 (May). 



DOCIDIUM baculum, Breb. Keston, '92 (Oct.). 



EUASTRUM ansatum, Ralfs. Keston, '92. (Oct.). 



E. binale, Ehr. Keston, '83. (May). 



E. didelta, Ralfs. Keston (May). 



E. oblongum, Ralfs. Bromley (May). 



HYALOTHECA dissiliens, Breb. Keston, '89 (Sept.). 



MICRASTERIAS denticulata, Breb. Keston, '84 (May). 



M. rotata, Ralfs. Keston, '84 (May). 



NETRIUM digitus, Itzig. and Rothe. Keston, '92 (Oct.). 



PENIUM margaritaceum, Breb. Keston, '83. (May). 



PLEUROTJENIUM ehrenbergii, De Bary. Bromley. 



P. truncatum, Nag. Bromley. 



SPIROT^ENIA condensata, Breb. Keston, '89 (Sept.). 



STAURASTRUM dejectum, Rabh. Keston, '94 (Feb.). 



S. gracile, Ralfs. Keston, '94 (Feb.). 



TETMEMORUS granulatus, Ralfs. Hayes, '86 (Sept.). 



XANTHIDIUM armatum, Rab. Keston, '84 (Sept.). 



