SUMMARY OF LITERATI'RE CITED 439 



Jager, L., Heitrage zur Kenntniss der Endospermbildunji und zur Kml)ry()k)}?ie 



von Taxiis baccatn. Flora 86:241-288. pis. ij-iQ. 1899. 

 Jeffrey, E. C, The structure and development of the stem in the Pteridophyta 



and Gymnosperms. Phil. Trans. Roy. Soc. London B 195:119-146. pis. 6. 



1902. 

 , Com])arativc anatomy of gymnosperms in Coulter and Chamberlain's 



Morphology of angiospcrms. New York. 1903. 

 , The comparative anatomy of the Coniferales. I. The genus Sequoia. 



Mem. Boston Soc. Hist. 5:441-459. pis. 68-yi. 1903. 

 , A fossil Sequoia from the Sierra Nevada. Bot. Gazette 38:321-332. 



pis. 18, ig. 1904. 

 , The comparative anatomy of the Coniferales. II. The Abiclineae. 



Mem. Boston Soc. Nat. Hist. 6:1-37. pis. i-y. 1904. 

 (withHoLLicK, A.), Aflinities of certain cretaceous plant remains commonly 



referred to the genera Dammara and Brachy phyllum . Amer. Nat. 40:189- 



215. ph. 7-5. 1906. 

 , and Chrysler, M. A., On cretaceous Pityoxyla. Bot. Gazette 42: 1^15. 



pis. I, 2. 1906. 

 , Araucariopitys, a new^ genus of araucarians. Bot. Gazette 44:435-444. 



pis. 27-30. 1907. 

 , and Chrysler, M. A., The microgametophyte of the Podocarpineae. 



Amer. Nat. 41 : 102-107. pis. 8, g. 1907. 

 — , On the structure of the leaf in cretaceous pines. Annals of Botany 



22:207-220. pis. I J, 14. 1908. 

 — , Traumatic ray tracheids in Cunninghamia sinensis. Annals of Botany 



22:593-602. pi. 31. 1908. 

 — , Are there foliar gaps in the Lycopsida ? Bot. Gazette 46:241-258. 



pis. ij, 18. 1908. 

 — (with HoLLiCK Arthur), Studies of cretaceous coniferous remains from 



Kreischerville, New York. Mem. N.Y. Bot. Garden 3:1-138. pis. i-2g. 



1909. 

 JuEL, H. O., Beitrage zur Kenntniss der Tetradenbildung. Jahrb. Wiss. Bot. 



35:626-659. pis. 75, 7(5. 1900. 



, Ueber den PoUenschlauch von Cupressus. Flora 93:56-62. pi. 3. 1904. 



JURANYi, L., Bau und Entwickelung des Pollens bei Ceratozamia longijolia Miq. 



Jahrb. Wiss. Bot. 8:382-400. pis. 31-34. 1872. 

 Karsten, G., Beitrage zur Entwickelungsgeschichte der Gattung Gnetum. Bot. 



Zeit. 50:205-215, 221-231, 237-246. pls.j,6. 1892. 

 , Untersuchungen iiber die Gattung Gnetum. Ann. Jard. Bot. Buitenzorg 



11:195-218. pis. 17-ig. 1893. 

 , Zur Entwickelungsgeschichte der Gattung Gnetum. Cohx's Beitr. 



Biol. Pflanz. 6:337-382. pis. 8-11. 1893. 

 Kerner von Marilaun, Das Pflanzenlebcn. Leipzig and Vienna. 1896. 



