FOSSIL VASCULAR CRYPTOGAMS i^i 



Renault — Cours de Bot. fossile, vols, i.-iii., T881-1883. 



Williamson— Organisation of Plants of the Coal Measures, Phil. Trans. 1871-1888 ; 



(Stigmaria) Palsont. Soc., 1887. 

 Kidston — (Lepidodendron, Sigillaria, &c.) Ann. and Mag. Nat. Hist., 1885. 

 Lesquereux^Coal Flora of Carboniferous Formation of Pennsylvania, &c., 1884. 

 Stur — Carbonflora der Schatzlarenschichter, 1885 ; Culmflora, 1877-1883. 

 Van Tieghem — Bull. Soc. Bot. France, 1883, p. 169. 

 Zeiller— Ann. Sc. Nat. (Bot.), 1884; (Sigillaria) do., 1884, p. 256. 

 Zittel — Handbuch der Palfeontologie, 1879^1885. 

 Solms-Laubach — Einleitung in die Palseophytologie, 1887 (for which see very copious 



bibliography). 

 Schenk— Die fossilen Pflanzenreste, in Schenk's Handb. der Botanik, vol. iv., 1888. 



