SUMMARY OF LITERATURE CITED 445 



Renault, B., Note sur le genre Aetheotesta. M6m. Soc. Hist. Nat. Sa6ne-et- 



Loire, pp. 156, 158. 1887. 

 — , Bassin houiller et Pennien d'Autun at d'6pinac. IV. Flore fossile. 



Part II. pp. 578. pis. 62. Paris. 1896. 

 Renmer, Otto, Ueber Zwitterbluthen bei Juniperus communis. Flora 93 = 297" 



300. figs. 3. 1904. 

 Robertson, Agnes, Spore formation in Torreya cdijornica. New Phytologist 



3 ■•133-148. pis. 3, 4. 1904. 

 , Studies in the morphology of Torreya caXijornica. II. The sexual organs 



and fertilization. New Phytologist 3; 205-2 16. pis. /-p. 1904. 

 , Some points in the morphology of Phyllodadus alpina Hook. Annals 



of Botany 20:259-265. pis. 17, 18. 1906. 

 -, The Taxoideae; a phylogenetic study. New Phytologist 6:92-102. 



pi. I. 1907. 

 Sablon, Leclerc du, Recherches sur la tige des fougferes. Ann. Sci. Nat. 



Bot. VII. 1 1 : 1-16. pis. I, 2. 1890. 

 Sachs, J., Lehrbuch. 1868. 



, Textbook of botany. Second English edition. 1882. 



Sanday, Elizabeth (with Berbidge, Ethel M.), Oogenesis and embryogeny 



in Ephedra distachya. New Phytologist 6: 128-134, 167-174. pis. 3, 4. 1907. 

 Saxton, W..T., Parthenogenesis in Pinus Pinaster. Bot. Gazette 47:406-409. 



figs. 7. 1909. 

 , Development of the embryo in Pintts Pinaster Soland., with some notes 



on the life history of the species in Cape Colony. S. African Jour. Sci. 



6 ■•52-59- pi- 2. i9°9- 

 , PreUminary account of the development of the ovule, gametophytes, and 



embryo of Widdringtonia cupressoides Endl. Bot. Gazette 48:161-178. 



pi. II. figs. 3. 1909. 

 — , The development of the embryo of Encephalartos. Bot. Gazette 49: 13- 



18. pi. 2. 1910. 

 , Contributions to the hfe history of Widdringtonia cupressoides. Bot. 



Gazette 30:30-48. pis. 1-3. 1910. 



, Contributions to the life history of Callitris. Annals of Botany 24: July 



1910. 



, Notes on the anatomy of Widdringtonia and Callitris. S. African Jour. 



Sci. 282-286. figs. II. May 1910. 



Schleiden, M. J., Sur la signification morphologique du placentaire. Ann. 

 Sci. Nat. Bot. II. 12:373-376. 1839. 



Schneider, A., Mutualistic symbiosis of algae and bacteria with Cycas revoluta. 

 Bot. Gazette 19:25-32. pi. 3. 1894. 



Scott, D. H. (with Williamson, W. C), Further observations on the organiza- 

 tion of the fossil plants from the Coal-measures. HI. Lyginodendron and 

 Heterangium. Phil. Trans. Roy. Soc. London B 186:703-779. pis. 18-21. 

 1896. 



