448 GYMNOSPERMS 



38. Belajeif. \V., Zur Lchre von dcm PoUcnschlauchc der Gymnospermen 

 (Zweite Mittheilung). Ber. Deutsch. Bot. Gesell. 11:196-201. pi. 12. 1893. 



39. Benson, Margaret, On a new lycopodiaceous seedlike organ. New Phy- 

 tol. 1:58-59. fig. 3. 1902. 



40. , The iTuct\fica.\.ion oi Lyginodendron oldhatnium. Ann. Botany 16: 



575-76. figs. 31. 1902. 



41. , Tclangium scoilii, a new species of Telangium {Calymmatoiheca) 



showing structure. Ann. Botany 18:161-77. pi. it. 1904. 



42. , On the contents of the pollen chamber of a specimen of Lageno- 



stoma ovoidcs. Bot. Gazette 45:409-12. figs. 2. 1908. 



43. , Report of Proc. Roy. Soc. London in Nature 80:239. 1909. 



44. , Cordaites Felicis, sp. nov., a Cordaitean leaf from the Lower Coal 



Measures of England. Ann. Botany 26:201-7. pi. 22. fig. i. 1912. 



45. , Sphaerostoma ovale (Co)iostoma ovale et intermedium Williamson), 



a Lower Carboniferous ovule from Pettycur, Fifeshire, Scotland. Trans. 

 Roy. Soc. Edinburgh 50:1-15. pis. i, 2. figs. 3. 1914. 



46. Berridge, Emily M., Fertilization in Ephedra altissima. Ann. Botany 

 23:509-14. pi. I. igog. 



47. , The structure of the female strobilus in Gnetum gnemon. Ann 



Botany 26:987-92. figs. 4. 191 2. 



48. Berrtoge, Emily M., and Sanday, Elizabeth, Oogenesis and embryog- 

 eny in Ephedra distachya. New Phytol. 6: 1 28-34, 167-74. pis. 3, 4. 1907. 



49. Berry, E. W., Vascular flora of the Lower Cretaceous. Bot. Gazette 53: 

 256. 1912. 



50. , Some araucarian remains from the Atlantic coastal plain. Bull. 



Torr. Bot. Club 35:249-60. pis. 11-16. 1908. 



51. , A mid-cretaceous species of Torrcya. Amer. Jour. Sci. 25:382-86. 



1908. 



52. Bertrand, C. E., Remarques sur la structure des graines de pollen de 

 Cordaites. Compt. Rend. Assoc, frangaise pour I'avancement des sci- 

 ences. 436-41. 1898. 



53. Bertrand, C. E., et Renault, B., Recherches sur les Poroxylons. Archiv. 

 Bot. Nord. France 3:147. figs. yg. 1886. 



54. Bessey, E. a.. Notes on the spermatozoids of Ginkgo. Science 13:255. 

 1901. 



55. Bessey, Charles E., The morphology of the pine cone. Bot. Gazette 33 : 

 157-50- P^- 8- 1002. 



56. Blackman, V. H., On the cytological features of fertilization and related 

 phenomena in Pinus sylveslris L. Phil. Trans. Roy. Soc. London B 190: 

 395-426. pis. 12-14. 1898. 



57. Boodle, L. A., Concrescent and solitary foliage leaves in Pinus. New 

 Phytol. 14:19-22. figs. 4. 1915. 



58. Brooks, F. T., and Stiles, W., The structure of Podocarpus spinulosa 

 (Smith) R. Br. Ann. Botany 24:305-18. pi. 21. 1910. 



