KIDSTON : THE FLORA OF XriK CAKBONIFKUOIS )'i;iilOD. -223 



Platk XXXIY. 



Fig. 1. Calaniitina Goppi'rti Ett. sp. Woolley Colliery, Darton, 

 near Barnsley. Mifldle Coal Measures [1199]. Natural 

 size. Collefted by Mr. W. Heiniiigway. At a and b 

 are seen two wliorls of bi-ancli scars. 



Fig. 2. Calamite from "Coal Ball," Hard Bed, Halifax. Lower 

 Coal Measures. Specimen in the collection of tlie 

 late Mr. Spencer, Halifax. a. Cast of pith cavity. 

 h Ik Vascular axis with structure preserved. Natui-al 

 size. 



Fig. 3. Equisefifes Ileminywayi Kidston. Monckton Main 

 Colliery, near Barnsley. Middle Coal Measures [1678]. 

 Natural size. Collected by Mr. W. Hemingway. 



Fig. 4. Cone of E(jiiisi'fum h>/f))uile, natural size, for comparison 

 with K<i H iset itus llemitKj mii/i. 



Fig. 5. J'((/<r<)sftic/ii/(( iit'ditncubitd \\ iilianison. Blairpoint, Dysart, 

 Fife. Lower Coal Measures [1997]. Natural size. 



