SECTION 
LXXIII. 
LXXIV. 
LXXV. 
LXXVI. 
LXXVII. 
LXXVIII. 
LXXIX. 
LXXX. 
LXXXI. 
LXXXII. 
LXXXIN. 
LXXXIV. 
LXXXV. 
LXXXVI. 
LXXXVII. 
LXXXVIII.. 
LXXXIX. 
XC. 
XCI. 
XCIl. 
XCIII. 
XCIV. 
CONTENTS. 
Occurrence of known or supposed members of the development of 
some species outside the normal connection. Tendency of these to 
constantly similar an Hence a Pa reduction or 
splitting of a species 
Determination of organs of propagation sihich have bea Since to 
be rudimentary . 
Literature of sections LIX—LXXIV. 
DOUBTFUL ASCOMYCETES. 
Introduction. Helicosporangium. Papulaspora. Laboulbenieae . 
Exoascus 
Saccharomyces . “ 5 a ‘ R 3 
Affinity between Exoascus and ende Possible relations 
of the latter group to the Ascomycetes . 
Confusion between the ‘ Yeast-plants’ 
Literature . 
Uredineae. 
Aecidia-forming and Tremelloid Uredineae. Sporocarps (aecidia) 
and spermogonia of the aecidia-forming er Course of de- 
velopment of Endophyllum 
Aecidia-forming Uredineae with gonidia : feltosenes uredo . 
Uredineae with imperfectly known course of development 
Tremelloid Uredineae R A 
Relationship between Uresinege and Abkonfjeers 
Literature . 
Basidiomycetes. 
Introduction 
HYMENOMYCETES. 
Conformation of unveiled sporophore a 
Veiled sporophore. Velum. Annulus. Volva 
Structure of full-grown sporophore 
Hymenium. Cystidia. Basidia 
GASTROMYCETES. 
Comparative account of the differentiation of the sporophore 
Special morphology, history of development and anatomy of the 
same : 3 = & ; 
COURSE OF DEVELOPMENT AND AFFINITIES OF BASIDIOMYCETES. 
Course of development of perfectly known form. Exobasidium, 
Tremellineae, Typhula, Coprinus, Agaricus melleus, Crucibulum 
and Cyathus, Sphaerobolus 
Gonidia of Basidiomycetes which have ben occdaniy eh 2 
Imperfectly known and doubtful gonidia 
Homologies and affinities of Basidiomycetes 
Literature . 
xv 
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