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Notes and References
This item contains 3 references.
1CHAMBERLAIN, C. J., Oogenesis in Pinus Laricio. BOT. GAZETTE27:268-280. pis. 4-6. I5899.
2CHAMBERLAIN, C. J., Methods in plant histology. Second edition. The Uni- versity of Chicago Press. 1905.
3FERGUSON, M. C., Contributions to the knowledge of the life-history of Pinus, with special reference to sporogenesis, the development of the gametophytes and fertilization. Proc. Washington Acad. Sci. 6: 1-202. pIs. 1-24. 1904.