40 Annals of the Carnegie Museum. 



0. E. Jennings, No. 243. General Distribution: On earth and on 

 rotten wood in moist woods of eastern North America from New 

 York southwards to the West Indies. 



PTERIDOPHYTA. 



(Ferns and Fern Allies.) 



Family HYMENOPHYLLACE^. (Filmy Ferns.) 



27. Trichomanes pinnatum Hedwig. 



Trichomanes pinnatum Hedwig, Filicum Genera et Species, Fascicle 1, 1799, p. 16, 



PI. 4> fig- I. 

 Neurophyllum pinnatum Presl, Hymenophyllaceae, 1843, p. 19, PI. 4, fig. C. 



Near Nueva Gerona, January 28, 1904, A. H. Curtiss, No. ;^iy. 



General Distribution: Quite commonly found all over the West 



Indies and continental tropical America. 



28. Trichomanes sp. 

 Along edge of arroyo in pine-barrens east of Los Indios, May 18, 

 1910, 0. E. Jennings, No, j/o; bank of Majagua River near Los 

 Indios, May 19, 1910, 0. E. Jennings, No. jq8. 



Family CYATHEACE^. (Tree Ferns.) 

 29. Alsophila myosuroides Liebmann. 



Alsophila myosuroides Liebmann, Kgl. Danske Videnskabernes Selskabs Af hand- 

 linger, Ser. V, I, 1849, p. 286. 

 Alsophila Wrighlii Underwood. (Herbarium name not published). 



Near Nueva Gerona, February 15, 1904, A. H. Curtiss, No. 346; 

 Dr. J. F. Shafer, February-March, 1910, near Sante Fe, on bank 

 of arroyo about one and one-half miles south of Nueva Gerona, 

 May 12, 1910, 0. E. Jennings, No. 222. General Distribution: The 

 Isle of Pines and Mexico. 



Family SCHIZEACE^. 



30. Lygodium venustum Swartz. 



Lygodium venustum Swartz, in Schrader, Journal fiir die Botanik, 1801, (2), p. 503. 



Near Nueva Gerona, January 6, 1904, A. H. Curtiss, No. 2J^. 



General Distribution: West Indies (not common), and from Mexico 



through continental tropical America to Brazil and Peru. 



Leaves thin, the sterile portions of the tertiary segments distinctly 

 crenate-serrate to incised below. 



