xiv CONTENTS. 



CHAPTER XI. 

 SPHENOPHYLLALES. Pp. 389—414. 



PAGE 



Sphenophyllum . .... 389-414 



I. The anatomy of Sphenophyllum .... 392-406 



a. Stems . . 392-398 



Sphenophyllum insigne and S. plurifoliatum 



397-398. 



b. Roots . . . . . 399 



e. Leaves . ... . 399 



d. Cones 401-406 



Sphenophyllostaehys Dawsoni 402-405. S. Romeri 

 405-406. 



II. Types of vegetative Branches of Sphenophyllum 407-412 

 Sphenophyllum emarginatum 407-408. S. trichoma- 



tosum 408-409. S. Thoni 410-411. S. speciosum 

 411-412. 



III. Affinities, Range and Habit of Sphenophyllum . 412-414 



