616 LIST OF WORKS 



Kutorga, S. (44) Zweiter Beitrag zur Palaeontologie Russlands. Ibid.p.62. 

 Land, W. J. G. (04) Spermatogenesis and Oogenesis in Ephedra trifurca. 



Bot. Gaz. vol. xxxvin. p. 1. 

 Lang, W. H. (97) Studies in the Development and Morphology of 



Cycadean sporangia. I. The microsporangia of Stangeria para- 



doxa. Ann. Bot. vol. xi. p. 421. 



(00) Studies in the Development and Morphology of Cycadean 

 sporangia. II. The ovule of Stangeria paradoxa. Ibid. vol. xiv. 

 p. 281. 



Lange, T. (90) Beitrage zur Kenntniss der Flora des Aachener Sandes. 



Zeitsch. Deutsch. geol. Ges. Bd. XLII. p. 658. 

 Laurent, L. (12) Flore fossile des Schistes de Manat (Puy-de-D6me). 



Ann. Mus. d'hist. nat. Marseille (Geol.}, tome xiv. p. 3. 

 Lawson, A. A. (04) The gametophytes, fertilization, and embryo of 



Cryptomeria japonica. Ann. Bot. vol. xvm. p. 417. 



(09) The gametophytes and embryo of Pseudotsuga Douglasii. 



Ibid. vol. xxin. p. 163. 



(10) The gametophytes and embryo of Sciadopitys verticillata. 



Ibid. vol. xxiv. p. 403. 



Lebour, G. A. (77) Illustrations of Fossil Plants; being an autotype 



reproduction of selected drawings. Jjondon. 

 Lesquereux, L. (74) Contributions to the Fossil Flora of the Western 



Territories. Pt. i. The Cretaceous Flora. Rep. U. 8. Gecl. Surv. 



Territ. vol. vi. 



(78) On the Cordaites and their related generic divisions, in the 



Carboniferous formation of the United States. Proc. Amer. Phil. 

 Soc. (Philadelphia}, vol. xvn. p. 315. 



(83) Contributions to the Fossil Flora of the Western Territories. 



Pt. iii. The Cretaceous and Tertiary Floras. U. 8. Geol. Surv. 

 Territ. vol. m. 



(91) The Flora of the Dakota group. Monographs U. 8. Geol. 

 Surv. vol. xvn. 

 Leuthardt, F. (03) Die Keuper Flora von Neuewelt bei Basel. Abh. 



Schweiz. palaeont. Ges. Bd. xxx. p. 1. 



Lignier, 0. (92) La nervation taeniopteridee de folioles de Cycas et le 

 tissu de transfusion. Bull. soe. Linn. Normandie [4], vol. vi. fasc. 1. 

 (94) La nervation des Cycad6es est dichotomique. , Assoc. Franq. 

 pour Vavancement de sci. (Caen). 



(94 2 ) Vegetaux Fossiles de Normandie. Structure et affinites du 

 Bennettites Morierei S. and M. sp. Mem. soc. Linn. Normand. 

 tome xvm. p. 1. 



(95) Vegetaux fossiles de Normandie. II. Contributions a la 



flore liassique de Ste Honorine-la-Guillaume (Orne). Ibid. vol. xvm. 



(01) Ibid. III. fitude anatomique du Cycadeoidea micromyela 

 Mor. Ibid. vol. xx. p. 331. 



(03) Le fruit du Williamsonia gigas Carr. Mem. soc. Linn. 



Normand. vol. xxi. p. 19. 



