NO. 4 MEXICAN MOSSES THERIOT IJ 



DIDYMODON MEXICANUS Besch. Prodr. Bryol. Mex. 28. 1871 



Puebla: Hacienda Alamos (4764). A'^alle de Mexico : San Juanico 

 {Bro. Arnable 1322, 1332). 



DACTYLHYMENIUM PRINGLEI (E. G. Britt.) Card. Rev. Bryol. 36: 72. 1909 



Puebla: (9493); Rancho Santa Barbara (4598, 481 1). 

 These specimens represent a form with less papillose leaves and 

 a nearly smooth costa. 



BARBULA BESCHERELLEI Sauerb. 



Puebla: Cerro Guadalupe (686a, 799). Morelia: Punguato 

 (5048) ; Campanario (7564) ; Cerro San Miguel (5087). Tlaxcala: 

 (613). Valle de Mexico: Desierto, Contadero {Bro. Aniable). 



BARBULA BESCHERELLEI Sauerb. var. CRASSINERVIA Then, var. nov. 



Distr. Federal: Mixcoac (9470, 9473). 



Folia basi cordata, sat abrupte contracta, costa lata, 90 /* ; folia 

 perichaetialia late ovata vel oblonga, breviter acuminata ; capsula 

 anguste cylindrica. 



BARBULA BESCHERELLEI Sauerb. var. STENOCARPA Card. 



Valle de Mexico: Xocjuiapan (Bro. Amahle 1749). 



BARBULA ALTISETA Card. Rev. BryoL 36: 83. 1909 



Tlaxcala: (621, 720). 



A robust form, the stems longer and the leaves less strongly revo- 

 lute than usual. 



BARBULA GRACILIFORMIS Schimp. in Besch. Prodr. BryoL Mex. 35. 1871 



Puebla: Cerro Guadalupe (668, 669, 680, 801). Distr. Federal: 

 Mixcoac (9460, 9461). Tlaxcala: Acuitlapilco (725). 

 Nos. 680 and 801 are more robust forms. 



BARBULA GRACILESCENS Schimp. in Besch. Prodr. BryoL Mex. 34. 1871 



Puebla: (600). Morelia: (7946, 7948) ; Bosque San Pedro (4577 

 p. p., 4578, 4581, 4925, 4926) ; Loma Santa Maria (4888, 4904) ; 

 Jesus del Monte (7622). Distr. Federal: Mixcoac (9431, 9435, 9454, 

 9456, 9458, 9469, 9480) . 



