KIDSTON : THE FLORA OF THE CARBONIFEROUS PERIOD. 397 
Plate LXIV. 
1. Lycopodites Guthieri Goppert. Camerton, Somerset. Hor. 
Radstock Series. Upper Coal Measures [1501]. Collected 
by Mr. W. Hemingway. About natural size. 
2. Poacordaites microstachys Goldenberg sp. Camerton, 
Somerset. Hor. Radstock Series. Upper Coal Measures 
[3022]. Small stem showing leaves attached. About 
natural size. 
3. Cordaites principalis Germar. sp. Monckton Main Col- 
liery, near Barnsley, Yorkshire. Hor. Barnsley Thick 
Coal. Middle Coal Measures [1479]. Collected by Mr. 
W. Hemingway. Between the letters a and a is seen the 
row of small cicatrices of the vascular strands which enter 
the leaf. About natural size. 
i. Omphalophloios anglicus Sternberg sp. Camerton, Somer- 
set. Hor. Radstock Series. Upper Coal Measures [433]. 
Collected by Mr. G. West. Portion of specimen showing 
the scars placed in rhomboidal areas. Note.— O vv^ng to 
the direction in which the light has struck the specimen 
the rhomboidal areas are not so distinctly seen as they 
would be were the light coming from a diflerent direction. 
The rhomboidal character of the area is, however, well 
seen at a. About natural size. 
