11 



29. PiLOPOGON Brid. 



157. calycinus Sch., ' Mex. 



1.58. Mohrii C. M., Mex. 



.SO. Hoi,OMTTRiiiM Brid. 



1-59. servatum C. M., Mex. 



Tribe II. LEUCOBRYACEJE. 

 Family I. LEUCOBRYE^. 



31. Leitcobhyum n2}e. 



160. glaucum Ilpe., U. S., Br. Am. 



var. minus (Hpc), So. U. S., Mex. 



32. OCTOELEPHAEUM Hedic. 



101. albidum TIpiIh'., ■ Gulf Sts., Mex. 



Tribe III. FISSIDEN'TACE.^E. 

 Family I. FISSIDENTE.^.. 



33. 



