CONTENTS 



PART I. MORPHOLOGY 



101 



103 

 106 



(i) Agaricales . . 87 

 (j) Hymenogas- 



trales ... 90 

 (k) Sclerodermales 90 

 (1) Lycoperdales . 90 

 (m) Nidulariales . 90 

 (n) Phallales . I 9<> 

 Lichens .... 91 

 II. Bryophytes 92 



1. Hepaticae 93 



(1) Marchantiales . . 93 



(2) Jungermanniales . 101 



(a) Anacrogynae 



(b) Acrogynae . 



(3) Anthocerotales . 



2. Musci 1 10 



(1) Sphagnales . . .no 



(2) Andreaeales . . .114 



(3) Bryales .... 115 

 III. Pteridophytes 122 



(1) Lycopodiales . .122 



(2) Psilotales .... 142 



(3) Sphenophyllales . 143 



(4) Equisetales . . . 143 



(5) Ophioglossales . . 149 



(6) Filicales . . . .155 



(a) Filicineae . .155 



(b) Hydropteridi- 



neae . . .170 



Spermatophytes 180 



A. Gymnosperms . . . . 181 



(1) Cycadofilicales . .181 



(2) Bennettitales . .185 



(3) Cycadales . . . .190 



(4) Cordaitales . . .203 



(5) Ginkgoales . . .207 



(6) Coniferales . . .212 



(a) Taxaceae . .212 



(b) Pinaceae . .219 



(7) Gnetales .... 228 



