TJie Fossil Plants of the Coal Measures. 95 



SPHENOPHYLLyE. 



SPHENOPHYLLUM DAWSONL Will. 



BOWMANITES DAWSONL Will. 

 VOLKMANNIA DAWSONL Will. 



Vegetative Stem. 



Primary Tracheal Strand. 



R. -p. 100, PI. 15, Fig. 19a, C.N. 1898D. 



Secondary (or exogenous ) Xylein Strand. 

 R.— p. 100, Fig. 19b, C.N. 1898D, 



Cortex. 



R. — p. 100, Fig. 19c. 



Fructip'ication. 



Axial Structures of the Strobilus. 

 Primary Tracheal Strand. 

 Transverse. 



S. — p. 256, Fig. la, C.N. 1049. 



Longitudinal. 



S. — p. 256, Fig. 4a, C.N. 1050. 



Cortex. 



Inner Transverse. 



S. — p. 256, Fig. la'. 



Outer Transverse. 



S.— p. 256, Fig. 2b, C.N. 1040B. 



Fig. 3b'b", C.N. 1040B. Fig. 9b, 1049A. 



Outer Longitudinal. 



S.— p. 256, Fig. 4b, C.N. 1050. 



• Fig. 8b, C.N. 1058. 



Nodal Disks. 

 Transverse. 



S.— p. 256, Fig. 7d, C.N. 1049C. 

 p. 257, Fig. 2d, C.N. 1049B. 

 p. 258, Fig. 9d, C.N. 1049A. 

 Vertical. 



S.— p. 256, Fig. 4d, C.N. 1058. Fig. 5d, C.N. 1058. 

 Fig. 8d', C.N. 1058. 



Peripheral Bracts. 

 Transi>erse. 



S. — p. 257, Fig. loe', C.N. 1045. Fig. 2e, C.N. 1049B. 



Fig. II, C.N. 1898B. 



Longitudinal. 



S,— p. 257, Fig. 46, C.N. 1050. Fig. 7e, C.N. 1049C. 

 Fig. 8e, C.N. 1050. Fig. loe", C.N. 1051. 



