450 GYMNOSPERMS 



79. BucHHOLZ, John T., The embryogeny of Chamaecyparis obtusa. Amer. 

 Jour. Bot. 19:230-38. 1932. 



80. , Determinate cleavage polyembryony, with special reference to 



Dacrydiiim. Bot. Gazette 94:579-88. 1Q33. 



81. , The classification of Coniferales. Trans. 111. Acad. Sci. 21: (in 



press). 1934. 



82. BucHHOLZ, J. T., and Old, Edith M., The anatomy of the embryo of 

 Cedrus, in the dormant stage. Amer. Jour. Bot. 20:35-44. 1933. 



83. BuRLiNGAME, L. L., The staminate cone and male gametophyte of Podo- 

 carpus. Bot. Gazette 46: 161-78. ph. 8, g. figs. g. 1908. 



84. , The morphology of Araucaria brasilicnsis. Bot. Gazette 55:97- 



114. pis. 4, 5. 1913. 



85. , The morphology of Araucaria brasilicnsis. II. The ovulate cone 



and the female gametophyte. Bot. Gazette 57: 490-508. pis. 2^-27. 1914. 



86. , The origin and relationships of the Araucarians. II. Bot. Ga- 

 zette 60:89-114. 1915. 



87. BuTTERWORTH, J., Some further investigation of fossil seeds of the genus 

 Lagcnosloma (Williamson) from the Lower Coal-measures. Mem. and 

 Proc. Manchester Lit. and PhU. Soc. 41:1-4. 1897. 



88. CKi.TiWEiA.,OTisW., Microcycas calocoma. Bot. Gazette 44:118-41. pis. 

 10-13. figs. 14. 1907. 



89. Campbell, D. H., Mosses and Ferns. New York. 1895. 



90. Carothers, Ida Eleanor, The development of the ovule and the fe- 

 male gametophyte of Ginkgo biloba. Bot. Gazette 43:116-30. pis. 5, 6. 

 1907. 



91. Carruthers, W., On gymnospermatous fruits from the secondary rocks 

 of Britain. Jour. Botanj^ 5:1-21. 1867. 



92. , On fossil cycadean stems from the secondary rocks of Great Brit- 

 ain. Trans. Linn. Soc. Bot. 26:675-708. pis. 54-63. 1870. 



93. Caspary, R., Abietinearum floris femini structura morphologica. Ann. 

 Sci. Nat. Bot. IV. 14:200-209. i860. 



94. Cavara, F., and Rogasi, G., Ricerche sulla fecondazione ed embryogenia 

 deW.' Ephedra campylopoda Meyer (review in Bot. Centralbl. 92:5-6. 

 1902). 



95. , Sulla germinazione del polline nelle Ephedra. Boll, accad. Gioenia 



Sci. Nat. Catania 81:3-9. 1904. 



96. Celakovsky, L., Zur Gymnospcrmie der Coniferen. Flora. 62:257-64? 

 272, 283. 1879. 



97. , Zur Kritik der Ansichtcn von der Fruchtschuppc der Abietineen. 



Abhandl. Kgl. Bohm. Gesell. Wiss. VI. 11:1882. 



98. , Die Gymnospcrmen: eine morphologisch-phylogenctischeStudie. 



Abhandl. Kgl. Bohm. (lesell. Wiss. \II. 4:1-148. 1890. 



99. , Nachtrag zu meiner Schrift iiber die Gymnospcrmen. Engler's 



Bot. Jahrb. 24: 202-31. 1898. 



