/at' of North Aiiicr/rtf. 99 



3. J. Mulleri Nees. Stems creeping, ascending at the 

 apex, somewhat branching; leaves imbricate, semivertical, re- 

 pand, obliquely ovate, emarginate-bidentate, the lacinise un- 

 equal, acute or obtuse; amphigastria bi-trifid, subciliate at the 

 base; involucral leaves ciliate-dentate, larger than those of the 

 stem; inner involucre cylindric, the mouth rostrate. (J. Ban- 

 triensis, var. Mulleri Lindb.) 



Var. Danensis Gottsche MS. is an unpublished form 

 found in Cal. (Mt. Dana). 



Hab. Rocky Mts. (Botanists of Wheeler Survey). (Eu.) 

 Bib Syn. Hep. p. 99 ; Hep. Europ. p. 70. 



4. J. Hornschuchiana Nees. Stems simple, radiculose, 

 innovating from beneath; leaves semivertical, ascending, soft, 

 orbicular, concave, bidentate with an obtuse sinus, the teeth 

 inflexed, mostly acute; amphigastria bifid or simple, lanceolate- 

 acuminate, ciliate-dentate at base. 



Hab. In mountains Col. (?) (Botanists of Wheeler Survey}. (Eu.) 

 Bib. Syn. Hep. p. 101 ; Hep. Europ. p. 69. 



fff Leaves bifid or bilobed. 



5. J. Gillmani Aust. Stems short, densely caespitose, 

 prostrate, subarcuate, strongly radiculose; leaves orbicular- 

 ovate, vertical, subconcave, bifid, the lower with sinus and teeth 

 mostly acute, the upper much larger, more or less undulate, 

 emarginate-bilobed, the lobes mostly rounded, the sinus obtuse ; 

 amphigastria filiform or filiform-subulate, sometimes sublance- 

 olate, mostly entire, the broader bifid, appressed to the stem; 

 inner involucre dorsal, sessile, without involucral leaves, verti- 

 cal, obovate-lagenif orm, somewhat gibbous in front, the mouth 

 ciliate, at length much incised. 



Hab. In a cave in sandstone, Traine Is. L. Superior (Gillman). 

 Bib.Torrey Bull. Ill, 12. 



6. J. Wattiana Aust. Stems rather thick, 4 8.5 mm. 

 long, fragile, subflexuous, strongly radiculose; leaves erect-sub- 

 vertical or somewhat spreading, subovate, concave, emarginate- 

 bilobed, the lower lobe mostly acute, the upper acute or obtuse, 

 often incurved, the sinus lunulate or angled; amphigastria 



