132 LEJEUNEAE OF THE UNITED STATES AND CANADA 
Frullania Leprieuri Nees & Mont. ; Mont. Ann. des Sc. Nat. 
IE 14:333. M. 20. را‎ 2.1840; 
Phragmicoma corticalis Lehm. & Lindenb. ; G. L. & N. Syn. 
Hep. 297. 1845. jd 
Phragmicoma melanophloea Mont. & Nees, 7 c. 297 (as .— 
synonym). : 
Lejeunea linguaefolia Tayl. Lond. Jour. Bot. 5: 390. 1846. 
G. L. & N. Syn. Hep. 754. 1847 (fide Stephani). 
Phragmicoma Leprieurii Mont. Sylloge, 86. 1856. 
Ptychocoleus corticalis 'Trevis. Mem. r. Ist. Lomb. III. 4: 405. 
1877. 
Lejeunca (Brachio-Lejeunea) corticalis Steph. H edwigia, 29: 8. 
1890. ur 
Brachiolejeunea corticalis Schiffn. Hedwigia, 33: 180. 1894 7 
(in obs.). 
: , in entire, antical margin curved, à 
Ing across axis and rounded or subcordate at base, postical margin | 
of keel; lobule strongly inflated ， 
cells at edge of lobe 1 3 # in diameter, in the middle 2 3 x 16 A, at 
the base 28 x 23 u: underleaves slightly imbricated, orbicular-quad- _ 
rate to reniform, 0.45 mm.- ong, 0.45 mm. wide, truncate or retuse - 
at the broad apex, sides parallel or converging toward base : inflor- 
escence dioicous: 9 inflorescence borne on a leading branch, usually 
innovating on both sides, more rarely on one side, the innovations 
, 
usually once or twice floriferous ; bracts complicate, unequally bifid, 
