64 Illinois Sf((tc Ldhorafori/ <>/ \<ifi(r(d History. 



dentate or serrulate; involucral leaves somewhat appressed, 

 deeply connate with the amphigastria; inner involucre rather 

 large, compressed, unequally triangular, oljovate-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. Petalumensis Gottsche, in 

 Bolauder's Cat.) 



Hah. — On trees near the coast; Cal. (Bolander). 

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

 E.vsic. — Hep. Bor.-Amer. No. 105b. 



fi' Amphigastria 2-3 times the widtJi of the stem. 

 \ Leaves orbicular or sKfjorbicidar. 



8. F. squarrosa Nees. Stems decumbent, pinnately 

 branching, the fruit-bearing 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 lacinia? acute; inner involucre oblong, prismatic-triquetrous, 

 convex dorsally, strongly unicarinate ventrally. (JMugermania 

 squarrosa Nees, ./. fahercidosa Lehm. et Lindenb. ) 



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

 ward. 



Bib.—fiyn. Hep. p. 416. 



Exsic. —Hep. Bor.-Amer No. 100. 



*). F. plana Sulliv. Monoecious; stems procumbent, 

 widely l)ranching 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 

 lacinise acute; lobes of the involuci'e 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. — (^n shaded rocks; N. Y. and N. J. (Atistin) to Tenn. (SulUvant) 

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

 E.rsic.—B.ep. Bor.-Amer. No. 102. 



tt Jyn-f's soi)irir]iat cordatr. at least at Jntse, 



