of Fossil Plants of the Coal-Measures. 323 
Fig. 11. Two small vessels from the vascular bundle of a transverse section of 
the petiole Rachiopteris insignis , Will, x 600. Cabinet number, 265. 
Fig. 12. Longitudinal section of part of a vessel of the vascular axis of an 
oblique section of a petiole of Rachiopteris insignisi x 200. Cabinet num- 
ber, 265. 
Fig* r 3* Two vessels from a transverse section of a stem of the inner vascular 
cylinder of a small undescribed form of Lepidodendron. x 200. Cabinet 
number, 418. 
Fig. 14. Part of a vessel from a longitudinal section of the specimen Fig. 13. 
x 200. Cabinet number, 419. 
Fig. 15. A Lepidodendroid macrospore, x 570. Cabinet number, 610. 
Fig. 16. A macrospore of the same type as Fig. 15, but containing very small 
cells, x 120. Cabihet number, 612. 
