64 Illinois Stale L((b<)r<itorij of Xafiiral lliHtonj. 



dentate or serrulate; involucral leaves somewhat appressed, 

 deeply connate with the amphigastria; inner involucre rather 

 large, compressed, unequally triangular, obovate-elliptic, con- 

 cave or at length somewhat convex dorsally, unequally 2-4- 

 nerved and unicarinate ventrally, slightly 2-costate toward 

 the apex, otherwise smooth. ( F. Petoliiinensis Gottsche, in 

 Bolander's Cat.) 



Hah. — On trees uear the coast; (Jal. {Bulander). 

 Bib.— Fro. Phil. Acad. 1869, p. 226. 

 E.xsic. — Hep. Bor.-Amer. No. 105b. 



i-f Aiiiphigasfria 2-3 fiuirs flir iridtlt (>f the stem. 

 X Leai^es orbicular or saborbicnlar. 



8. F. squarrosa Nees. Stems decumbent, pinnately 

 branching, the fruit-l^earing branch short, lateral; leaves sub- 

 vertical, crowded, suborbicular, obtuse, entire^ the auricle obo- 

 vate cucullate or galeate, somewhat appressed; amphigastria 

 cordate or rotund, sinuate-subdentate, slightly emarginate-bifid, 

 the laciniae acute; inner involucre oblong, prismatic-triquetrous, 

 convex dorsally, strongly unicarinate ventrally. (Jini(jen)iaiiia 

 s [iiurrosa Nees, ./. fiibercidosa Lelim. et Lindenb.) 



Hab.— On rocks, Ijark of trees, etc.; N. J. to 0. and common south- 

 ward. 



Bib.— Syn. Hep. p. 416. 



^.rsic. — Hep. Bor.-Amer No. 100. 



U. F. plana Sulliv. Moncecious; stems procuml>ent, 

 widely branching or subpinnate; leaves somewhat imbricate, 

 orbicular, the auricle small, galeate, equally broad and long, 

 contiguous to the stem; amphigastria large, three times the 

 width of the stem, flat, rotund, slightly bifid, the sinus and 

 laciniae acute; lobes of the involucre oval, the margin reflexed, 

 subrepand, the lower margin unidentate; inner involucre on a 

 short branch, oblong-oval or subobovate, triquetrous, dorsally 

 sulcate, ventrally acutely unicarinate; male spikes globose. 



Hab. — On shaded rocks; N. Y. and N. J. (Austin) to Tenn. {SulUvant) 

 Bib. — Mem. Amer. Acad. n. ser. Ill, p. 175. 

 Ecsic.—Hep. Bor.-Amer. No. 102. 



