94 BOTANICAL GAZETTE [aucust 
12. The two bipolar spindles of the second mitosis are strongly | 
developed and stand at right angles to each other. = | 
13.. After the second mitosis, cell plates are formed and the nell . 
pass into a condition of rest in the usual manner. 
_ 14. The spores do not germinate in the capsule before its rupli 
as do those of Pellia. 
15. The nucleolus is more closely allied to the chromatic than to 
the achromatic material of the nucleus. 
16. The number of chromosomes for the gametophyte is eight 
and for the sporophyte sixteen. 
This investigation was conducted under the direction of Professor . 
BRADLEY M. Davis, to whom I desire to acknowledge my indebt 
edness for valuable criticism and suggestion; as well as to Professor 
Joun M. Courter and Dr. Cuartes J. CHAMBERLAIN. 
SoutH CAROLINA COLLEGE, 
Columbia, S. C. 
LITERATURE CITED. 
_ CampBeLL, D. H., Mosses and ferns. London, 1895. 
2. CHAMBERLAIN, C. J., Mitosis in Pellia. Bot. GazETTE 36:29-51- PMS: 
al 
7 
I2-I4. 1903. : 
3- Davis, B. M., eet ion mother cell of Anthoceros. Bor. GAZETTE 28: 
89-108. Pe 
rs , Nuclear nase on 1 Pellia. Ann. Botany 15:147-180. pls. 10-1 
Igor. — 
4a. , Studies on the plant cell. American Naturalist 38:727-73?- 1904- 
5- Farmer, J. B., On the relations of the nucleus to spore-formation in certail 
liverworts. Pine Roy. Soc. London 54:478-480. 1893. 
6. , Studies in Hepaticae: On Pallavicinia decipiens Mitten. An 
Botany 8: 35-52. pls. 6-7. 1894. : 
7. , On spore formation and — division in the Hepaticae. Ann | 
Botany 9:469-523. pls. 16-18. : 
8. ———,, On the interpretation of sha omdipslas spindle in the Hepatiat. i. 
Bor. iseer a7: 63-65. 1904. " : 
9- GrécorrE, V., and Wycaerts, A., La reconstitution du noyau et la forma 
tion des sliceucaceied dans les cinéses somatiques. I. Racines de Tril- 2 
lium grandiflorum et telophase homeotypique dans la Trillium cernuut. 
La Cellule 21:7-76. pls. r-2. 1 
10. Harper, R. A., Kerntheilung und ivele Zellbildung im Ascus- be 
Wiss. Bot. 30: arte pls. t1-12. 1897. 
