FERN FAMILY. 



2. Cheilanthes lanosa (Michx. ) Watt. Hairy Lip-ictn. !MK. 67.) 



Nephrodiiim lanosum Michx. Fl. Bor. Am. 2 : 270. 



1803. 



CheiUinthts :;:<tita Sw. Syn. Fil. 128. 1806. 

 CheilunthfS Iniiosa. Watt, Trimen's Journ. Bot. 12 : 48. 



1874. 



Rootstock short, creeping, covered with pale 

 rusty-brown scales. Stipes tufted, wiry, chestnut- 

 brown, 2 / -4 / long, hirsute ; leaves herbaceous, 

 obloug-lanceolate in outline, 4 r -9' long, I'-a' wide, 

 gradually attenuate to the apex, 2-pinnate ; pin- 

 nules somewhat distant, lanceolate-deltoid, acute, 

 deeply pinnatifid or incised, more or less covered 

 with almost bristly hairs and usually somewhat 

 glandular, obtuse or subacute ; sori numerous, cov- 

 ered by the infolded ends of the rounded or oblong 

 lobes. 



On rocks, southern New York to Georgia, west to 

 Mi>-'>uri, Arkansas and Texas. Ascends to 1900 ft. in 

 North Carolina. July-Sept. 



3. Cheilanthes gracilis (Fee) Mett. 



Slender Lip-fern. 'Fig. 68.) 



."iryriofiterisgradli!; Kei-. C.t-n. Fil 150. 

 Cneilan(heslanupinosa'S\M. H>k St> Fil 3: go. 



1858. 

 Cheilanthes gracili> Mi-tt. Abh. Scnck. Nat. O*rll. 



3: [reprint 36]. 1859. 



Rootstock short, covered with narrow brown 

 scales lined with black. Stipes densely tuftrd. 

 slender, about as long as the leaves, at first cov- 

 ered with woolly hairs, at length nearly glab- 

 rous ; leaves ovate-lanceolate in outline. i'-\' 

 long, i '-2' wide, 3-pinnate or 2-pinnate with the 

 pinnules pinnatifid, the upper surface slightly 

 tomentose, the lower densely matted with whit- 

 ish-brown woolly hairs ; upper pinnae ollonj{- 

 ovate, the lower deltoid, the lowest distant ; ul- 

 timate segments or lobes minute, the terminal 

 ones slightly larger than the others, all roundish 

 or obovate and much crowded ; indusiam nar- 

 row, formed of the inrolied unchanged margin 

 of the segments. 



On rocks, Illinois and Minnesota to British 

 Columbia, south to Texas ami Ariaon. Juljr-Oet. 



4. Cheilanthes tomentosa Link. Woolly 

 Lip-fern. (Fig. 69.) 



Cheilanthes tomentosa L,ink, Hort. Berol. 2: 42. 1833. 



Rootstock stout, short, densely chaffy with slen- 

 der light brown scales. Stipes tufted, 4 / -8 / long, 

 rather stout, densely brown-totnentose even when 

 mature ; leaves oblong-lanceolate in outline, 3-pin- 

 nate> 6 / -i8 / long, densely tomentose, especially be- 

 neath, with slender brownish-white obscurely artic- 

 ulated hairs ; pinnae and pinnules ovate-oblong or 

 oblong-lanceolate, the ultimate pinnules about W 

 long, the terminal ones sometimes twice as large as 

 the others ; indusia pale, membranous, continuous. 



On rocks, Virginia to Georgia, west to Missouri, 

 Texas, Arizona and Mexico. Ascends to 1900 ft. in 

 North Carolina. July-Oct. 



