95 
On the Retention of Vitality by Alga. 
Name of Date of 
Plot. Collection. 
Broadbalk 1881 
Broadbalk 1869 
Broadbalk 1868 
Broadbalk 1865 
Broadbalk 1856 
Broadbalk 1846 
Agdell* 1867 
Barnfleld* 1870 
(3-3% water-content) 
Barnfleld* 1870 
(10% water-content) 
A Iga Found. 
Nostoc Sp.? Juvenile form. 
Anabcena laxa (Rabh.) A. Br. (?) 
Plectonema Battersii Gomont. 
Hapalosiphon dexuosus Borzi forma. (?) 
Chlorococcum humicola (Naeg) Rabenh. 
Nostoc muscorum Kiitz. 
Anabcena laxa (Rabh.) A. Br. (?) 
A. oscillarioides Bory var. terrestris f. major 
Plectonema Battersii Gomont. 
Hapalosiphon flexuosus Borzi forma. (?) 
Chlorococcum humicola (Naeg.) Rabenh. 
Stichococcus bacillaris Naeg. 
Nostoc muscorum Kiitz. 
Anabcena oscillarioides Bory forma. 
Cylindrospermum licheniforme (Bory) Kiitz. 
Plectonema Battersii Gomont. 
Hapalosiphon flexuosus Borzi forma. (?) 
Phormidium tenue (Menegh) Gomont. 
Chlorococcum humicola (Naeg.) Rabenh. 
Nostoc Sp ? juvenile form. 
Anabcena oscillarioides Bory var terrestris 
forma minor. 
Chlorococcum humicola (Naeg.) Rabenh. 
Nostoc muscorum Kiitz. 
Nostoc Passerinianum Bornet et Thuret. 
Nostoc Sp? juvenile form. 
Anabcena oscillarioides Bory var. terrestris. 
forma major, n. var. 
Cylindrospermum licheniforme (Bory) Kiitz. 
Nostocmuscorum Kiitz. 
Nodularia Harvey ana (Thwaites) Thuret. 
Trochiscia aspera (Reinsch) Hansg. 
Chlorococcum humicola (Naeg.) Rabenh. 
Stichococcus bacillaris Naeg. 
Nitzschia Palea (Kiitz.) W. Srn. 
Trochiscia aspera (Reinsch) Hansg. 
Chlorococcum humicola (Naeg.) Rabenh. 
Trochiscia aspera (Reinsch) Hansg. 
* These soils also contained moss protonema. 
