KIDSTON : THE FLORA OF THE CARBONIFEROUS PERIOD. 391 
Plate LXI. 
1. Sigillaria rugosa Brongniart, Monckton Main Colliery, 
near Barnsley, Yorkshire. Hor. Barnsley Thick Coal. 
Middle Coal Measures [2852]. Collected by Mr. W. 
Hemingway. Specimen of Rhytidolepis section showing 
central band of ornamentation. About natural size. 
2. Sigillaria camptotoenia Wood sp. Gelli, Ystrad, Rhondda, 
.Glamorganshire. Hor. No. 2 Rhondda Seam. Upper 
Transition Series (Lower Pennant Series) [1773]. Col- 
lected by Mr. W. O'Connor. Specimen of the Leioder- 
maria section showing ornamentation of the interfoliar 
bark. The small scars between the leaf-scars on the 
upper part of the specimen may be cone scars. About 
natural size. 
3. Sigillaria mamillaris Brongniart. Monckton Main Col- 
liery, near Barnsley, Yorkshire. Hor. Barnsley Thick 
Coal. Middle Coal Measures [2873]. Collected by Mr. 
W. Hemingway. Specimen of Rhytidolepis section show- 
ing leaf-scars on upper portion, and cone and leaf-scars on 
lower portion. About natural size. 
4. Rhabdocarpus multistriatus Sternberg sp. Radstock, 
Somerset. Hor. Radstock Series. Upper Coal Measures 
[352]. About natural size. 
5. Cardiocarpus cf. emarginatus Artis sp. Monckton Main 
Colliery, near Barnsley, Yorkshire. Hor. Barnsley Thick 
Coal. Middle Coal Measures [1437]. Collected by Mr. 
W. Hemingway. About natural size. 
