KIDSTON : THE FLORA OF THE CARBONIFEROUS PERIOD. 215 
Plate XXX. 
1. Calamites Suckowii Brongt. Ellismuir, Ballieston, Lanark- 
shire. Lower Coal Measures. Four-fifths natural size. 
Towards the centre of the specimen the rhizome gives 
rise to three aerial stems. At the lower end of the 
specimen another stem is given off. From the direction 
in which the stems bend, it is apparently the under 
surface of the rhizome which is exhibited. Collected 
by Mr. P. Jack. 
2. Linopteris ohliqua Bunbury sp. Pittston, Pa., L'.S.A. 
Specimen received from the late Mr. R. D. Lacoe 
[1348]. Pinnule enlarged about 3 J times to show the 
nervation. 
3. Calamocladus equisetiformis Schl. sp. Cadeby Colliery, 
Conisborough, Yorkshire. Middle Coal Measures [1536]. 
Collected by Mr. W. Hemingway. 
