Plants Collected by Dr. Geo. F. Gaumer in 189^-96, 



Dr. Arthur Schott in 1864-66, and Mr. 



Witmer Stone in 1890. 



FUNGI. 



Lentinus villosus Klotzsch. 



Merida " in a garden," E. H. Thompson (947). 



LICHENES. 



Ramalina calicaris farinacea Schaer. Mex-oul. 



On shrubs, Downs at Progreso, April to Dec. 1865 (Schatt. jfi). 

 Powdery soredia and lateral apothecia both plentiful. 



Ramalina calicaris fraxinea Fr. 

 " Common at Progreso " (1175). 



Ramalina rigida (Pers.) Tuck. Am. Lich., i. 22. 



Downs of Progreso, Dec. 1865 (Schott, j//). On trees and 

 shrubs; tufts large, branches attenuate elongated, tips filiform, 

 apothecia small. 



ALG.E. 



Nostoc verrucosum Vauch. Hist. Alg., 225, fide Prof. W. G. 

 Farlow. 



"Found in the aguada Chulubmay, nine miles east of Izamal, 

 March " (1097). 



CHARACE^:. 



Chara gymnopus A Br. fide Prof. T. F. Allen. 



"Common in the aguadas east of Izamal" (913)- An inde- 

 terminable sterile sub-species of this form. 



MUSCI. 



Leucobryum incurvifolium C. Muell. sp. nov. 



Species optima, ab omnibus congeneribus. Foliis rotundato- 

 obtusatis brevissime hyalino-apiculatis, definite apice incurvi 

 valde recedens. 



"Common in the forests at Buena Vista Xbac, September" 

 (1117). 



347 



