izomycetes, _Bacteria_; Green Monads,
_Euglena_, _Volvox_.

CHAPTER IV.--ALGAE 21

Classification of Algae; Green Algae; _Protococcaceae_,
_Protococcus_; _Confervaceae_, _Cladophora_, _OEdogonium_,
_Coleochaete_.

CHAPTER V.--GREEN ALGAE (_Continued_) 30

Pond-scums, _Spirogyra_; _Siphoneae_, _Vaucheria_; _Characeae_,
_Chara_.

CHAPTER VI.--BROWN SEAWEEDS 41

_Diatomaceae_; True Brown Algae, _Fucus_; Classification of
Brown Algae.

CHAPTER VII.--RED ALGAE 49

Structure of Red Algae; _Callithamnion_; Fresh-Water Forms.

CHAPTER VIII.--FUNGI 54

_Phycomycetes_, _Mycomycetes_; _Phycomycetes_, Black Moulds,
_Mucor_; White Rusts and Mildews, _Cystopus_; Water Moulds.

CHAPTER IX.--TRUE FUNGI 63

Yeast; Smuts; _Ascomycetes_; Dandelion Mildew; Cup Fungi,
_Ascobolus_; Lichens; Black Fungi.

CHAPTER X.--TRUE FUNGI (_Continued_) 77

_Basidiomycetes_; Rusts; _Coprinus_; Classification.

CHAPTER XI.--BRYOPHYTES 86

Classification; Liverworts, _Madotheca_; Classification of
Liverworts; Mosses, _Funaria_; Classification of Mosses.

CHAPTER XII.--PTERIDOPHYTES 102

Bryophytes and Pteridophytes; Germination and Prothallium;
Structure of Maiden-hair Fern.

CHAPTER XIII.--CLASSIFICATION OF PTERIDOPHYTES 116

Ferns; Horse-tails; Club Mosses.

CHAPTER XIV.--SPERMAPHYTES 128

General Characteristics; Gymnosperms and Angiosperms,
Scotch-pine; Classification of Gymnosperms.

CHAPTER XV.--SPERMAPHYTES (_Continued_) 143

Angiosperms; Flowers of Angiosperms; Classification of
Angiosperms; Monocotyledons, Structure of _Erythronium_.

CHAPTER XVI.--CLASSIFICATION OF MONOCOTYLEDONS 153

_Liliiflorae_; _Enantioblastae_; _Spadiciflorae_; _Glumaceae_;
_Scitamineae_; _Gynandrae_, _Helobiae_.

CHAPTER XVII.--DICOTYLEDONS 170

General Characteristics; Structure of Shepherd's-purse.

CHAPTER XVIII.--CLASSIFICATION OF DICOTYLEDONS