INDEX 
ALf> 
LGriE, abundance of, 1 ; best 
season for collecting, 3 ; 
implements for collecting, 4, 
’65 ; knowledge of, necessary to 
the Botanist, 1 ; to preserve, 9, 
66, 93 
AlgEe, filamentous, 2, 62; crus- 
taceous, 83; gelatinous, 82, 
99 ; marine, 91, 125 ; parasi- 
tical, 3, 83, 81 ; stone-like, 85 
B ENNING-’S method of clean- 
ing Diatoms, 26 
Brand, 116 
Bunt, 122 
C ASPARY’S rake, 5, 109 
Catalogue of Herbarium, to 
make, 189 
Cells, shallow, to make, 57 note 
Characese, characteristics of, 107 ; 
to collect, 108 ; to preserve, 
110; where found, 108 
Chlorate of potassium, to clean 
Diatoms with, 49 
Conjugation, m Desmids, 53 ; in 
Zygnemacese, 73 
DIA 
Cooke’s British Eungi, 118 note ; 
British Hepaticse, 147 note. 
Crassulacese, to destroy the vital- 
ity of, 165 
Cyclosis, phenomenon of, 113 
D AVIS’S Manual of Prepara- 
tion, 49, 102 
Desmidiaceae, best season for 
collecting, 50 ; characteristics 
of, 60 ; mode of propagation, 
52 ; structure of, 51 ; to clean, 
51 ; to preserve, 53 ; where 
found, 50 
Diagram representing a Diatom, 
38 
Diatomacese, characteristics of, 
37 ; implements for collecting, 
1 3 ; influenced by locality, 1 1 ; 
in guano, 12; in stomachs of 
fish, &e., 12 ; to be preserved 
in crude and prepared form, 
28 ; striation of, 43 ; to clean, 
17, 20; to draw, 42 ; to mea- 
sure striation of, 48 ; to pre- 
pare, 25, 43 ; to preserve, 28, 
34 ; to secure in a clean state, 
19 ; where found, 11, 17, 33 
