186 MORPHOLOGY OF ANGIOSPERMS 



45. Lyon, H. L. Observations on the Embryogeny of Nelumbo. 



Minn. Bot. Studies 2: 643-655. pis. 48-50. 1901. 



46. Smith, Amelia C. The Structure and Parasitism of Aphyllon 



uniflorum Gray. Contrib. Bot. Lab. Univ. Penn. 2: 111-121. 

 pis. 13-15. 1901. 



47. Schnegg, H. Beitriige zur Kenntniss der Gattung Gunnera. 



Flora 90: 161-208. figs. 28. 1902. 



48. Guignard, L. La double fecondation chez les Solanees. Jour. 



Botanique 16: 145-167. figs. 45. 1902. 



49. Strasburger, E. Ein Beitrag zur Kenntniss von Ceratophyllum 



submersum und phylogenetische Erorterungen. Jahrb. Wiss. 

 Bot. 37: 477-526. pis. 9-11. 1902. 



50. Hall, J. G. An Embryological Study of Limnocharis emargi- 



nata. Bot. Gazette 33: 214-219. pi. 9. 1902. 



51. Overton, J. B. Parthenogenesis in Thalictrum purpurascens. 



Bot. Gazette 33 : 363-375. pis. 12-13. 1902. 



52. Cook, M. T. Development of the Embryo-sac and Embryo of 



Castalia odorata and Nymphaea advena. Bull. Torr. Bot. Club 

 29 : 211-220. pZs. 12-13. 1902. 



53. Johnson, D. S. The Embryology and Germination of the Genus 



Peperomia. Abstract. Science 15: 408-409. 1902. 



54. Ikeda, T. Studies in the Physiological Functions of Antipodals 



and related Phenomena of Fertilization in Liliaceae. 1. Tricyr- 

 tis hirta. Bull. Coll. Agric. Imp. Univ. Tokyo 5: 41-72. pis. 

 3-6. 1902. 



55. Johnson, D. S. On the Development of Certain Piperaceae. Bot. 



Gazette 34: 321-340. p7s. 9-10. 1902. 



56. Frye. T. C. A Morphological Study of Certain Asclepiadaceae. 



Bot. Gazette 34: 389-413. pis. 13-15. 1902. 



57. Shibata, K. Experimentelle Studien uber die Entwickelung des 



Endosperms bei Monotropa. (Vorlaufige Mitteilung.) Biol. 

 Centralbl. 22: 705-714. 1902. 



58. Murbeck, S. Ueber die Embryologie von Ruppia rostellata 



Koch. Konigl. Svensk. Vetensk. Akad. Handl. 36: 1-21. pis. 

 1-3. 1902. 



59. Frye, T. C. The Embryo-sac of Casuarina striata. To be pub- 



lished in Bot. Gazette 35 : 1903. 



60. Wylie, R B. A Morphological Study of Elodea canadensis. To 



be published in Bot. Gazette 36 : 1903. 



