INDEX. 
Abies 
Achlya 
Adiantum 
Albugo 
Aspidium 
Basidiobolus 
Batrachospermum 
Callithamnion 
Cell-cleavage in Synehitrium diccipens 
Pilobolus crystallinus 
Cell-division in higher plants 
Dictyota and Stypocaulon. 
Cell-formation, free, in Erysiphe communis 
Lachnea scutellata 
Centrosome, in Dictyota  . . . 
Erysiphe 
Centrosome and Blepharoplast 
Cephalotaxis . , 
Chara 
Chromosomes in tetraspore mother-cell of Dictyota 
ascus of Erysiphe 
pollen mother-cells of Lilium 
Podophyllun 
Tradescantia 
Significance of numerical reduction 
Closterium : 
Cocconeis  . . . 
Coleochzte 
Collema 
Cosmarium 
Cycas 
Cystopus (see ¢ Albugo). 
Dasya : 
Diatoms 
Dictyota 
Dudresnya 
Ectocarpus 
Equisetum 
Erysiphe 
Fucus 
Ginkgo 
Gleecosiphonia 
Gnetum 
Gymnogramme . 
Halidrys 
Helleborus 
Hydrodictyon . 
Pace. 
156 
102-107 
136 
96-100 
136 
976-78 
116-119 
11g-124 
91-93 
126-128 
73, 72 
142-149, 156, 157, 163, 166 
124 
73-76 
2-6, 26 
119-125 
65, 66 
135 
7-10 
84-88 
9-155, 162, 163, 166 
12, 158, 169- 171, 173 
. . 63-65 
vii 
