94 Journal of the Mitchell Society \^8e2)temher 



(3) Unfertilized eggs divide freely, producing a cell body of vary- 

 ing size, but which invariably fails to mature. There is thus in 

 Padina parthenogenetic germination, but no parthenogenetic repro- 

 duction. 



Trinity College, 



Durham, N. C. 



LITERATURE CITED 



1. HoYT, W. D. — Alternation of Generations and Sexuality in Dictyota 

 (lichotoma. Bot. Gaz. 49: 55-57. 1910. 



2. Lewis, I. F. — Alternation of Generations in Certain Floridese. Bot. Gaz. 

 53: 236-242. 1912. 



3. LoEB, Jacques — Artificial Parthenogenesis and Fertilization. Chicago, 

 Illinois. 1913. 



4. LoTSY, J. P. — Vortrage uber Botanische Stammesgeschichte. Vol. I, 

 Algen und Pilze. Jena, 1907. 



5. Mast, S. 0. — A simple apparatus for aerating liquid solutions. Am. Nat. 

 38: 655-660. 1904. 



6. Overtox, J. B. Science. N. S., 37: 841-844. 1913. 



7. Williams, J. B. — Studies in the Dictyotaceae. Ann. of Bot. 18: 141-160, 

 181-204. 1904. 



8. ViCKERS, Miss — Liste des Algues Marines de la Barbide, No. 66. Ann. d. 

 Sci. Nat. 9th Ser. I: p. 58. 1905. 



9. ViCKERs, Miss— Phycologia Barbadensis II, p. 37, PI. 8. 1908. 



