xii CONTENTS. 
SECTION 
XVII. Dissemination of acrogenously formed spores. Abscision. Abjection. 
Disappearance of the sporiferous structure. . . . . 
XVIII. Endogenous spore-formation : 
(2) Sporangia of Phycomycetes . 2 i A B 
XIX. (2) Asci. N a 2 ö 5 é R é a a ‘ 
XX. Dissemination of endogenously formed spores : 
(a) Phycomycetes A ‘ F . i ‘ ‘ E ä 
XXI. (4) Ascogenetic spores. Ejection. Mechanical arrangement for 
ejection of spores. Simultaneous and successive ejection. Mechanism 
of simultaneous ejection. 3 . & A a . 
XXII. Puffing in Discomycetes i i 
XXIII. Peculiar mode of ejection in Pyrenomycetes . 
XXIV. Force of ejection 
XXV. Reported peculiarities in Lichen fungi 
XXVI. Successive ejection from asci . . . . . i . x 
XXVII. Solution and swelling of asci . . q N 5 A ‘i r . 
XXVIII. Maturation of ascospores after ejection . . & . . . . 
XXIX. Combinations of different kinds of spore-development ; sporidesms 
II. Structure of ripe Spores. 
XXX. Spore-membrane. Exosporium, episporium, endosporium. Germ- 
pores. Gelatinous envelopes and appendages.—Protoplasm, nucleus, 
content.—Swarm-spores . . : . : . . . . 
III. Germination of Spores. 
XXXI. Tube-germination and sprout-germination.—Germ-tube. Primordium 
of the mycelium. Promycelium and sporidia . 5 . 5 n 
Historical remarks on Chapter III . . . . . . 
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DIVISION II. COURSE OF DEVELOPMENT OF FUNGI. 
CHAPTER IV. INTRoDUcTıon. 
XXXII. General course of development in Algae, Mosses, Ferns, and Phanero- 
gams. Homologies and affinities. Form-genera and form-species 
in Fungi. Tulasne’s pleomorphy. Gradual recognition of the 
course of development and of the homologies in Fungi. Main or 
Ascomycetous and other series . ‘ . . . . . 
XXXIII. Closer consideration of the course of development of the higher 
p:ants. Archicarp; fructification.—Spore, sporocarp, sporophyte.— 
Sexual and asexual segment of the development. Homology of a 
member of the development independent of its sexual function. 
Interruption and restoration of the homologies.—Alternation of 
generations—Homology interrupted and not restored . . 
XXXIV. Agreement of the course of development of the Fungi with that of 
plants which are not Fungi. Meaning of Ben. Misunder- 
standings and the way to remove them. . 
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