Evans: Hepattcae from Florida 



191 



may be possible to keep the two species distinct, and for this reason 



Monta 



ipliolejeiih 

 Holostip 



tions and by the possession of a four-keeled perianth, the keels 

 being bordered by toothed or laciniate wings. The antical surface 

 of the perianth is smooth, two of the keels are lateral and the 

 others are postical. Most of the species are dark brownish green 

 in color, varying to a paler green on young branches. These 

 peculiarities, although generic in value, will also serve to separate 

 L. Sagraeana from the other Lejeuneae occurring in Florida. 



Yale University, 



r. 



