IL'pdf lea' (>f North America. lon 



short, strongly cristate-unduliite, obtusely many-lobefl; inner 

 involucre terminal, elongate suhcylindric, naked, the apex sul)- 

 plicate, the mouth minutely ciliate. ( ])ipl<>j)hiilhiiii po/lfinii 

 Dumort. ) 



Hab. — In a peat bog near Closter, N. J. {Austin). (Eu.) 

 Bib.- Syn. Hep. p. 122; Hep. Europ. p. 50; Pro. Phil. Acad. 186i», 

 p. 220. 



Exsic. — Hep. Bor.-Amer. No. 4G. 



28. J. inflata Huds. 8tems procumbent or ascending, 

 loosely radiculose, In-anching; leaves semivertical, elliptic-sub- 

 rotund, unequal-sided, unequally bilobed, the sinus and lobes 

 obtuse; involucral leaves like those of the stem; inner involu- 

 cre terminal, at length dorsal, longer than the outer, oval or 

 ])yriform, smooth, the mouth connivent; capsule ol)long. 

 ((iijiiiuocoJea iii.flafd Dumort.) 



Hab. — On sterile ground and on rocks, N. .J. (Ai(4iii) and in liigli 

 mountains northward to (■Ireenland ( VaJd). (Eu.) 

 Bib.— Syn. Hep. p. 105; Hep. Europ. p. 65. 

 Delin.— Brit. Jung. t. 38; Ekart, t. Ill, f. 23. 

 E.i!iic.—IleY>. Bor.-Amer. No. 34. 



24. J. Sullivantise Aust. Stems closely creeping, flexn- 

 ous, cgespitose; leaves siibovate, little wider than the stem, 

 whitish, ere"ct-spreading or somewhat horizontal, somewhat 

 concave or plane, much narrowed at the base, bifid ^ — | their 

 length, the sinus obtuse, the lacinise very acute, divergent or 

 connivent; involncral leaves 3, larger, erect, 2-3-cleft, one of 

 them narrower, amphigastroid ; inner involucre terminal on a 

 short ventral branch, obovate-oblong, strongly plicate, at first 

 triquetrous, at length terete, the mouth deeply about 10-cleft 

 with the same number of folds; the laciniae subconnivent, ser- 

 rate or subentire. 



Hab.— On rotten wood, O. {SuUivunt), 111. (Hall). 

 Bib.— Torrey Bull. Ill, 12. 



JJ Iiirohirnil leaveti tncrchj foofhcd. 



25. J. excisa Dicks. Stems subsimple, short, closely 

 creeping, somewhat rigid; leaves semivertical, erect-spreading, 

 subrotund, pellucid, inflexed at the base anteriorly, the sinus 

 deep, obtuse, the excised laciniae straight, acute; involucral 



