FOSSIL VASCULAR CRYPTOGAMS 131 



Renault — Cours de Bot. fossile, vols, i.-iii., 1881-1883. 



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



(Stigmaria) PalKont. 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 Palceontologie, 1879-1885. 

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



bibliography). 

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



K 2 



