Hcptffirrt' (if Xurtli ^liiicr/n/. iSo 



10. P. Wrightii Aust. Stems short, prostrate, the fruit- 

 bearing branch shortened; leaves imbricate, subrotund, strong- 

 ly convex, obliquely decurved, unequally cordate at base, the 

 margin entire, the auricle rotund or subobovate; amphigastria 

 broadly obovate. emargiuate-bideutate ^ their length, the mar- 

 gin repand-deutate; involucral leaves united with one another 

 or with the amphigastria, the dorsal lobe oljlong, entire or sub- 

 repand, inliexed-cucullate at the apex, the ventral lobe shorter 

 by half, ovate-lanceolate, often subfalcate. 



Z/ivft.— N. Mex. ( Wright). 

 Bib— Torrey Bull. Ill, p. 15. 



11. F. aeolotis Xees. Stems procumbent, irregularly 

 branching or subpinnate; leaves semi-vertical, subsquarrose, 

 obliquely cordate, the auricle either galeate or expanded into a 

 canieulate, ovate-lanceolate lobule; amphigastria ovate, entire 

 or the upper margin angular-dentate, acutely bifid; sporogony 

 phase unknown. (F. r/pariti Hampe MS.) 



Hab. — ( )n trees and rocks chiefly in mountainous regions. 



Bib. — Syn. Hep. p. 417. 



E'.mc.— Hep. Bor.-Amer. No. 101. 



X+t f^c((t'''S orafc or oral. 



12. F. Virginica Gottsche. Stems creeping, vaguely 

 branching; leaves ovate, entire, somewhat concave, the auricle 

 sometimes expanded into a lanceolate lamina; amphigastria 

 ovate-rotund, bifid, double the width of the stem; inner invo- 

 lucre compressed, pyriform, tuberculate, quadricarinate ven- 

 trally, bi-c^uadricarinate dorsally, the carinas tuberculate. 



Hab. — On bark of trees, rarely on rocks; common. 



Bib.— Syn. Hep. p. 419. 



E.mc — Hep. Bor.-Amer. No. 103. 



1;'. F. Hutchinsise Nees rat: Stems subpinnately 

 branching; leaves dark olive-green verging on black, ovate, 

 acute, entire, or subrepand. the auricle ovate, not spurred as in 

 European forms; amphigastria roundish, plane, bifid, subser- 

 rate; inner involucre oblong-o1)Ovate, plane above, carinate 

 beneath; involucral leaves bifid, serrate. (Jiinf/enn(tni(( Htitch- 

 ins'up Hook., Jnhiihi HidcJi'nu^io' Dumort, ) 



