BIBLIOGRAPHY 651 



BuESGEN, M. — Untersuchungcn iiber normale und abnormale Marsilien- 



friichten. Flora, Ixxiii : 169,1890. 



BuRCK, W. — I. Das Prolhallium von Aneimia. Bot. Zeit., 1875, p. 499- 



2. Sur la devcloppement du prothalle d' Aneimia compare a celui des 



autres fougeres. Archives Neerlandaises des Sciences exactes 



et naturelles, t. x: 417, 1875. 



BuRLiNGAME, L. L. —The Sporangium of the Ophioglossales. Bot. Gaz., 



Ixiv: 34-56, 1907- 

 Ca^ipbell, D. H. — I. The structure and development of the Ostrich 

 Fern. Mem. Boston Soc'ety of Natural History, 1887. 



2. Zur Entwickelungsgeschichte der Spermatozoiden. Berichte der 



deutsch. bot. Gesellschaft, vi: 120, 1887. 



3. The development of Pilidaria glohulifera L. Annals of Botany, 



ii : 233, 1888. 



4. Einige Notizen uber die Keimung von Marsilia ^gyptiaca. Ber. 



der deutsch. bot. Gesellschaft, v: 340, 1888. 



5. The systematic position of the Rhizocarpeae. Bulletin of the 



Torrey Bot. Club, xv: 258, 1888. 



6. A study of the apical growth of the prothallium of Ferns. Ibid., 



xviii: 73, 1891. 



7. On the affinities of the Filicineae. Bot. Gazette, xv: i, 



1890. 



8. Die ersten Keimungsstadien der Macrospore von Isoetes echino- 



spora Durieu. Berichte der deutsch. bot. Gesellschaft, viii : 

 97, 1890. 



9. Notes on the apical growth in the roots of Osmunda and Botryr 



chium. Botanical Gazette, xvi : 37, 189 1. 



10. Contributions to the Life History of Isoetes. Annals of Botany, 



v: 231, 1891. 



11. On the relationships of the Archegoniatae. Botanical Gazette, 



xvi: 323, 1891. 



12. On the Prothallium and Embryo of Osmunda Claytoniana L. and 



O. Cinnamomea L. Annals of Botany, vi : 49, 1892. 



13. On the Prothallium and Embryo of Marsilia vestita. Proceed- 



ings of the California Acad, of Sciences, 2nd Ser. vol. iii: 183, 

 April, 1892. 



14. The development of the sporocarp of Pilidaria Americana. Bui. 



Torrey Bot. Club, xx: 141, 1893. 



15. On the development of Azolla filiculoides, Lam. Annals of 



Botany, vii : 155, 1893. 



16. Observations on the development of Marattia Douglasii, Baker. 



Annals of Botany, viii : i, 1894. 



17. Notes on Sphaerocarpus. Erythea, iv: 73,1896. 



18. The Development of Geothallus tuberosus, Campbell. Ann. of 



Bot., ix: 489, 1896. 



