1 9 2o] BUCHH0LZ—P0LYEMBRY0NY 167 



LITERATURE CITED 



1. Brown, R., in Capt. Philip P. King's "Survey of the western and inter- 

 tropical coasts of Australia/' London, 1826, Appendix B, p. 557; also 

 Ann. Sci. Nat. I 8:211. 1826. 



2. — , Plurality and development of embryo in the seeds of Coniferae. 



Rep. Brit. Assoc. Adv. Sci. 1835: 596, 597; reprinted inAnn.Sci.Nat.il 

 20: 193. 1843; same paper reprinted with postscript and plate, Ann. Nat. 

 Hist. 13:138-374. 1844. 



3. Buchholz, J. T., Suspensor and early embryo of Pinus. Box. Gaz. 



185-228. pis. 6-10. figs. 3. 1918. 



4. Chamberlain, C. J., Oogenesis in Pinus Laricio. Bot. Gaz. 27:268-280. 

 pis. 3. 1899. 



5. Coulter, J. M., and Chamberlain, C. J., Morphology of Spermatophytes. 

 Part I. Chicago. 1901. 



6. , Morphology of gymnosperms. Chicago. 1910. 



7. Ferguson, Margaret C, Contributions to the life history of Pinus, with 

 special reference to sporogenesis, the development of the gametophytes, and 

 fertilization. Proc. Wash. Acad. Sci. 6:1-202. pis. 1-24. 1904. 



8. Hutchinson, A. H., Morphology of Keteleeria Fortune*. Bot. Gaz. 63: 

 124-135. pis. 7, 8. 1917. 



9. Jeffrey, E. C, The comparative anatomy of the Coniferales II. The 

 Abietineae. Mem. Boston Soc. Nat. Hist. 6:1-37. pis. 1-7. 1904. 



10. , The anatomy of woody plants. Chicago. 1917. 



11. Kildahl, N. Johanna, Development of walls in the proembryo of Pinus 

 Laricio. Bot. Gaz. 44:102-107. pis. 8,9. 1907. 



12. Land, W. J. G., A morphological study of Thuja. Bot. Gaz. 34:249-259. 

 pis. 6-8. 1902. 



13- Lawson, A. A., Gametophytes and embryo of Pseudotsuga Douglasii. 



Ann. Botany 23:163-180. pis. 12-14. 1909. 

 14. Miyake, K., On the development of the sexual organs and fertilization in 



Picea excelsa. Ann. Botany 17:351-352. pis. 4. 1903. 

 r 5' , Contributions to the fertilization and embryogeny of Abies bal- 



samea. Beih. Bot. Centralbl. 14:134-144. pis. 6-8. 1903. 

 16. Miyake, K., and Yasui, Kono, On the gametophytes and embryo of 



Pseudolarix. Ann. Botany 25:639-647. pi. 48. 1911. 

 *7* Murrill, Wm. A., Development of the archegonium and fertilization in 



the hemlock spruce (Tsuga canadensis Can.), Ann. Botany 14:583-607. 



pis. 31,32. 1900. 

 18. Strasburger, E., Die Coniferen und Gnetaceen. Jena. 1872. 



