100 Illinois Sfdfc Labordforu of Natimtl Jlistorij. 



somewhat obsolete, difform, mostly hairlike or subulate, some- 

 times ciliate-appendiculate at the margin, the apex incurved; 

 involueral leaves little larger, somewhat undulate, less deeply 

 bilobed; inner involucre terminal, inflated, small, lageniform- 

 ovate, the apex contracted, whitish, the mouth ciliate. 



Hab. — On the ground in L. Superior region, Can. {Macoun). 

 Bib.— Torrey Bull. Ill, 11. 



ffff Leaves 3-5-cleft. 



7. J. barbata Schreb. Stems procumbent, sparingly 

 branched; leaves roundish-quadrate, 3-5-lobed, the sinuses ob- 

 tuse and undulate, the lobes obtuse, acute or mucronulate vari- 

 ously directed; amphigastria broad, entire or 2-toothed, some- 

 times obsolete; inner involucre terminal, oval, plicate-angular 

 toward the apex, the mouth denticulate. 



V(u\ attenuata Mart. Stems ascending with numerous 

 subcylindric innovations; primary leaves semivertical, obliquely 

 spreading, roundish, mostly concave, 2-4-toothed, the teeth 

 acute, subequal; leaves on the innovations closely imbricate, 

 ovate-subquadrate, premorsely 2-4-denticulate; involueral leaves 

 2, tridentate; inner involucre terminal, oblong, plicate at the 

 apex. (Junrjennania attenuata Lindenb.) 



ira6.— On rocks in mountain regions; common. (Eu.) 

 Bib.— ^yn. Hep. p. 122; Hep. Europ. p. 71, 72. 

 Belm.—Bxii. Jung. t. 70; Ekart. t. XII, f. 102 (var.) 

 ^.(src— Hep. Bor.-Amer. No. 47, 48. 



8. J. setiformis Ehrh. Stems erect or ascending, di- 

 chotomous and with the leaves terete-sulcate ; leaves toothed at 

 the base, 3-4-cle£t, the lobes channeled, ovate-oblong, acute; 

 amphigastria ciliate-dentate at the base, deeply bifid, the laciniae 

 lanceolate-acuminate; involueral leaves more toothed than those 

 of the stem; inner involueral terminal, oval, plicate. (Antlie- 

 lia setiformis Dumort.) 



^aft— Alpine summits of White Mts. N. H. (Oakcs), Greenland 

 {Vahl). (Eu.) 



Bib.—Syn. Hep. p. 130 ; Hep. Europ. p. 97. 

 Delin.—Brit. Jung. t. 20 ; Ekart, t. II, f. 15. 

 Exsic—He]). Bor.-Amer. No. 49. 



*** Amphifiasfria iraiitiiHj. 

 f Leaves entire or )iearh/ so. 



