TABLE OF CONTENTS 



CHAPTER XXVIII 

 CYCADALES (Recent). Pp. 134. 



CHAPTER XXIX 



PTERIDOSPERMEAE (continued from Volume IL). Pp. 3585. 



PAGE 



I. LYGINOPTERIDEAE . 35-85 

 Lyginopteris 35-70 



Telangium 54, 55 ; Lagenostoma 55-64 ; Lagenospermum 



64-66 ; Pterispermostrobus 66, 67. 



Heterangium . 70-85 



Sphaerostoma 78-81. 



CHAPTER XXX 



II. MEDULLOSEAE . . . 86-165 

 i. Medullosa 86-109, 156-163 



Mydoxylon 106-110 ; Neuropteris 110-117; Alethopteris 

 and Linopteris 113 ; Trigonocarpus 117-124 ; Codono- 

 theca 124-126 ; Schiitzia 126-128 ; Whittleseya 128- 

 131 ; Dolerophyllum 132-139 ; OttoJcaria 139-141 ; 

 Strobilites 141, 142. 

 ii. Colpoxylon . . ' . 142-145 



iii. Rhexoxylon 146-149 



iv. Sutcliffia . . 149-156 



General considerations suggested by the anatomical features 



of Medullosa 156-163 



II. A. STELOXYLEAE 163-165 



Steloxylon 163-165 



CHAPTER XXXI 



PTERIDOSPERMEAE. (Foliage and seeds.) Pp. 166174. 

 Pecoptens Pluckeneti 166-168 ; Eremopteris artemisaefolia 

 169-172 ; Wardia 172, 173 ; Adiantites bellidulus and 

 Lagenospermum Arberi 173, 174. 



