518 LIST OF WORKS 



Weiss, F. E. (13) The root-apex and young root of Lyginodendron. 

 Mem. Proc. Manchester Lit. Phil. Sac. vol. LVH. pt. iii. 



(13 2 ) A Tylodendron-like fossil. Ibid. vol. LVII. pt. iii. 



Wernham, H. F. (11) Floral Evolution; with particular reference to 



the sympetalous Dicotyledons. New PJiyt. vol. x. p. 73. 



Wett stein, R. V. (90) Die Omorika-Fichte, Picea omorica (Pane.). 



Sitzber. K. Akad. Wiss. Wien, Bd. xcvm. Abt. i. p. 503. 



(11) Handbuch der systematischen Botanik. (Edit, ii.) Leipzig. 



Wherry, E. T. (12) Silicified wood from the Triassic of Pennsylvania. 



Proc. Acad. Sci. Philadelphia, vol. LXIV. pt. ii. p. 366. 



(16) Two new fossil plants from the Triassic of Pennsylvania. 

 Proc. U.S. Nat. Mus. vol. LI. p. 327. 



White, D. (90) On Cretaceous Plants from Martha's Vineyard. Amer. 

 Journ. Sci. vol. xxxix. p. 93. 



(01) The Canadian species of the genus Whittleseya and the 

 systematic relations. The Ottawa Naturalist, vol. xv. No. iv. 

 p. 98. 



White, D. and C. Schuchert. (98) Cretaceous series of the West coast 

 of Greenland. Bull. Geol. Soc. America, vol. ix. p. 343. 



Wieland, G. R. (99) A study of some American Fossil Cycads. Pt. ii. 

 The Leaf structure of Cycadeoidea. Amer. Journ. Sci. vol. vn. 

 p. 305. 



(02) Notes on living Cycads. I. On the Zamias of Florida. 

 Ibid. vol. xin. p. 331. 



(06) American Fossil Cycads. Washington. 



(08) Historic Fossil Cycads. Amer. Journ. Sci. vol. xxv. p. 93. 



(08 2 ) Two new Araucarias from the Western Cretaceous. Geol. 



Surv. South Dakota. 



(09) The William sonias of the Mixteca Alta. Bot. Gaz. vol. XLVIII. 



p. 427. 



(11) On the Williamsonia Tribe. Amer. Journ. Sci. vol. xxxii. 



p. 433. 



(II 2 ) A study of some American Fossil Cycads. Pt. v. Ibid. 



vol. xxxii. p. 133. 



(12) Ibid. pt. vi. On the smaller flower-buds of Cycadeoidea. 

 Ibid. vol. xxxin. p. 73. 



(13) The Liassic Flora of the Mixteca Alta of Mexico, its com- 

 position, age, and source. Ibid. vol. xxxvi. p. 251. 



(14) A study of some American Fossil Cycads. Pt. vii. Further 

 notes on disk structure. Ibid. vol. xxxvin. p. 117. 



(16) American Fossil Cycads. Vol. n. Taxonomy. Washington. 



Wiesner, J. (03) Die Rohstoife des Pflanzenreiches. Bd. n. Leipzig. 

 Wild, G. (00) On new and interesting features in Trigonocarpus olivae- 



formis. Trans. Manchester Geol. Soc. vol. xxvi. pt. xv. p. 434. 

 Williamson, W. C. (40) On the Distribution of Fossil remains on the 

 Yorkshire coast from the Lower Lias to the Bath Oolite inclusive. 

 Trans. Geol. Soc. [2], vol. v. p. 223. 



