66 Illinois State Laboratory of Natural History. 



Hab. Wet rocks chiefly in mountain rivulets. (Eu.) 

 Bib. Syn. Hep. p. 426, Hep. Europ. p. 26 (sub Jiibula). 

 Delin.Erit. Jung. t. 1 ; Ekart, t. X, f. 82. 

 , Exsic Muse. Alleghan. No. 271 ; Hep. Bor.-Amer. No. 106. 



14. F. Nisquallensis Sulliv. Stems procumbent, pin- 

 nately decompound; leaves closely imbricate, obliquely oval 

 acuminate ; apiculate, strongly inflexed, the auricle small ovate- 

 galeate; amphigastria obovate-rotund, double the width of the 

 stem, bifid, the sinus and laciniae somewhat obtuse, the margin 

 reflexed; lobes of the involucre linear, deflexed-falcate, cristate- 

 ciliate at the base; inner involucre oval-obovate, subimmersed 

 trigonal, dorsally somewhat convex, ventrally unicarinate. 



Hob Fort Nisqually, Ore. (U. S. Expl. Exped.) 

 Bib. Mem. Arner. Acad. n. ser. Ill, p. 175. 



** Auricles oUony-cylindric or clavate (or oblony-yaleate in 



No. 16). 



f Leaves marked with a row of moniliform cells. 

 J Leaves orbicular. 



15. F. tamarisci Nees. Stems bipinnately branching, 

 somewhat rigid; leaves orbicular, obtuse, mucronately acute or 

 subacuminate, decurved, entire, marked with a moniliform me- 

 dian line, the auricle oval or oblong, distant from the stem; 

 amphigastria quadrate-ovate or obovate, emarginate, revolute 

 at the margin; inner involucre oblong, sulcate dorsally, ob- 

 tusely carinate ventrally; involucral leaves bifid, serrulate. 

 ( Jung er mania tamarisci L.) 



Hab. " In America Septentrionale " (Beyricli). (Eu.) 

 Bib. Syn. Hep. p. 438, Hep. Europ. p. 29. 

 Delin. Brit. Jung. t. 6 ; Ekart, t. II, f. 17. 



16. F. Grayana Mont. Stems creeping, simply pinnate; 

 leaves nearly orbicular, concave, decurved, marked in the mid- 

 dle by a moniliform line, the auricle oblong-clavate, emarginate 

 at the lower end; amphigastria oblong, -flat, 2-cleft, the sinus 

 obtuse; inner involucre pyriform, 3-sided, obtusely carinate 

 beneath ; involucral leaves unequally 2-cleft, the dorsal segment 

 oblong, pointed, nearly entire, the ventral subulate. (F. 

 yrayana Mont, in Syn. Hep. p. 441!) 



