68 Illinois State Laboratory of Natural History. 



somewhat convex, obtuse, entire, contiguous or imbricate, the 

 auricle somewhat enlarged, oblong-clavate or subcylindric, dis- 

 tant from the stem and subparallel with it or deflexed; amphi- 

 gastria double the width of the stem, subobovate, bifid, the 

 segments somewhat obtuse; inner involucre obcuneate-oblong, 

 flattish dorsally, slightly unicarina'te toward the compressed 

 truncate apex; involucral leaves deeply incised, serrate; andrre- 

 cium minute, globose, short-peduncled. 



Hob E. Fla. (/. DonneU Smith). 

 Sib.Torrey Bull. VI, 301. 



JJ Amphigastria narrower. 



19. F. Kunzei Lehm. and Lindeiib. Stems creeping, 

 simply pinnate; leaves approximate, obicular, entire, the auricle 

 oblong-cucullate, obliquely truncate, approximate to the stem; 

 amphigastria subremote, plane, ovate, subangular at the mar- 

 gin, bifid, the laciniae erect, obtuse; inner involucre broadly 

 obovate, compressed, acutely unicarinate ventrally; involu^ral 

 leaves entire. (F. parasitica Mont., F. Drummondii Tayl.) 



Hob. Bark of trees; So. States. 



Bib Syn. Hep. p. 449. 



Exsic. Hep. Bor.-Amer. No. 105d. 



20. P. brunnea Spreng. Stems pinnate or bipinnate; 

 leaves dense, 2-ranked, spreading, orbicular, entire, the auricle 

 clavate, arising from the margin of the leaf, distant from the 

 stem with a triangular lobe interposed; amphigastria and invo- 

 lucral leaves acuminate, deflexed, serrate-dentate at the margin; 

 inner involucre oblong, sulcate dorsally, unicarnate ventrally. 

 (F. obcordata Lehm. and Lindenb., F. Caroliniana Sulliv. Muse. 

 Alleghan. No. 270). 



Hob. Bark of trees; So. States; rare. 



Bib. Syn. Hep p. 441. 



Exsic. Muse. Alleghan. No. 270 ; Hep. Bor.-Amer. No. 105e. 



VIII. LEJEUNIA LIBERT. 



Inner involucre oval or oblong, terete or angular, variously 

 winged, cristate or ciliate at the angles, the mouth 3-4-lobed or 

 dentate. Capsule quadrifid to the middle, the valves conni- 

 vent. the pedicel tuberous-geniculate when dry. Elaters per- 



