FERN FAMILY. 31 
2. Cheilanthes lanésa (Michx.) Watt. Hairy Lip-fern. 
Nephrodium lanosum Michx. Fl. Bor. Am. 2: 270. By 
1803. > 
Cheilanthes vestita Sw. Syn. Fil. 128. 1806. ey 
Cheilanthes lanosa 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, 
oblong-lanceolate in outline, 4’/-9’ long, 1/-2’ wide, 
gradually attenuate to the apex, 2-pinnate; pin- 
nules somewhat distant, lanceolate-deltoid, acute, 
deeply pinnatifid or incised, more or less covered = Os : 
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 
Missouri, Arkansas and Texas. Ascends to 1goo ft. in ip 
North Carolina. July—Sept. f ), 
WW 
3. Cheilanthes gracilis (Fée) Mett. Slender Lip-fern. (Fig. 68.) 
Myriopteris gracilis Fée, Gen. Fil. 150. 1850-52. 
Cheilanthes lanuginosa Nutt.; Hook. Sp. Fil. 2: 99. 
Chettanthes gracilis Mett. Abh. Senck. Nat. Gesell. 
3: [reprint 36]. 1859. 
Rootstock short, covered with narrow brown 
scales lined with black. Stipes densely tufted, 
slender, about as long as the leaves, at first cov- 
ered with woolly hairs, at length nearly glab- 
rous; leaves ovate-lanceolate in outline, 2/-4’ 
long, 1/-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 oblong- 
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; indusium nar- 
row, formed of the inrolled unchanged margin 
of the segments. 
On rocks, Illinois and Minnesota to British 
Columbia, south to Texas and Arizona, July—Oct. 
l 7 
4. Cheilanthes tomentosa Link. Woolly Wy ye 
Lip-fern. (Fig. 69.) BV 83 
Cheilanthes tomentosa Tink, 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-tomentose even when 
mature ; leaves oblong-lanceolate in outline, 3-pin- 
nate, 6’-18’ 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 14/’ 
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 1goo ft. in 
North Carolina, July—Oct. 
