56 OUR NATIVE FERNS AND THEIR ALLIES. 



Characece. 



ALLEN (T. F.). Characeae of America. Part I. New York, 

 1888. 



Development of the Cortex in Chara. In Torrey Bul- 

 letin, ix/37-47; plates xv-xxi (Apr. 1882). 



Notes on the American Species of Tolypella. Ibid., x, 



109-117 (Oct. and Nov. 1883). 



Some Notes on Characeae. Ibid., xiv, 211-215; plates 



LXXI-LXXV (Oct. 1887). 



Observations on some American Forms of Chara coro- 



nata. In Amcr. Nattiralist, XVI, 358-369 (May, 1882). 



HALSTED (B. D.). Classification and Description of the 

 American Species of Characeae. In Proc. Boston Soc. Nat. 

 Hist., xx, 169-190 (1879). 



Musci. 



B.\GNALL (J. E.). Handbook of Mosses. I2mo. London, 

 1886. Though an English work, this will be of value for 

 beginners. 



LESQUEREUX (L.) and JAMES (T. P.). Manual of the Mosses 

 of North America. 8vo. Boston, 1884. (S. E. Cassino & Co.) 



BARNES (C. R.). Analytic Key to the Genera of Mosses. 

 In Bull. No. i, Purdue Univ. School of Science (1886). A 

 valuable supplement to the preceding. 



A Revision of the North American Species of Fissidens. 

 In Botanical Gazette, xn, 1-8, 25-32 (Jan. and Feb. 1886). 



For more extended and expensive works the following are 

 important : 



SULLIVANT (W. S.). Icones Muscorum, with Supplement. 

 2 vols. royal 8vo. Cambridge, Mass., 1864-1874. 



BRAITHWAITE (R.). British Moss Flora. Vol. I (all yet 

 published). Royal 8vo. London, 1887. 



The Sphagnaceae, or Peat Mosses of Europe and North 



America. Royal 8vo. London, 1880. 



SCHIMPER (W. P.). Synopsis Muscorum Europaeorum. 2 

 vols. 8vo. Stuttgart, 1876. 



