1019 1020 



base with narrow ferruginous scales; hairy below. Huachuca mts. Ar (Lem- 



fronds 3-5' long, %-!' broad, narrowly mon). 



oblong, pinnate, with 4-6 distant pairs II. Upper surface decidedly pubes- 



nearly sessile, deltoid, 2-pinnatifid pin- cent 



nae; segs toothed, minutely glandular A. Stipes tomentose or smooth. 



and everywhere viscid; teeth of seg re- C: FEEI Moore, Index Fil XXXVIII 



curved, forming indusia. Gal; CD! (1857). 



Colorado Desert near Whitewater. Stipes densely tufted, slender, at first 



**Fronds somewhat hairy and glandu- clothed with woolly hairs, at length 



lar. not tomentose. nearly smooth fronds 2-4' long, ovate- 



I. Fronds deltoid-ovate; stipes stram- lanceolate, 3-pinnate or 3-pinnatifid, 

 ineous. rarely bipinnate; pinnae deltoid below, 



C.-liifiUCOFODA Link. oblong-ovate above, lowest distant; ulti- 



Stipes 3-4' long, stout, chaffy at base; mate pinnules minute, terminal one 

 fronds 2-4' long, deltoid-ovate, 4-pin- slightly largest, crowded; upper surface 

 nate at base, gradually simpler above, scantily tomentose, lower densely mat- 

 everywhere glandular-puberulent; lowest ted with w'ish-brown woolly hairs; in- 

 pair of pinnae unequally deltoid-ovate, dusia narrow, formed of the unchanged 

 upper ones oblong; pinnules short-stalk- margin. Ill; Tex; Ar; Minn; BC. Syn- 

 ed; ultimate pinnules divided into onyms: C. lanosa D. C. Eaton. C. ves- 

 minute rounded lobules, strongly revolute tita Hooker in part. C. gracilis Mett, 

 when fertile. Tex. Abh Senck Nat Gesell 3:80 (1859-61) 



II. Fronds ovate-lanceolate; stipes not Kaulf. C. lanuginosa Nuttall, 

 brownish. Hooker, Sp Fil 2:99 (1858) as syn. 



C:VE32.ITA Swz, Syn Fil 128 (1806). Myriopteris gracilis Fee, Gen Fil 150 



Stipes tufted, 2-4' long, wiry, chestnut (1850-2). 



brown; fronds 4-9' long, 1-2' broad, 3- C: TOMENTOSA Link, Hort Berol 2:42 

 pmnatifid; pinnae somewhat distant, Ian- (1833). 



ceolate-deltoid; segs more or less thick- Woolly lip-fern. Stipes tufted, 4-6' 

 ly covered with acute hairs; sori copious; long, rather stout, covered with pale 

 indusia formed of ends of roundish or brown tomentum; fronds 8-15' long, ob- 

 oblong lobes. Conn; NY; Kans; Ga; Tex. long-lanceolate, everywhere but especial- 

 Synonyms: Nephrodium lanosum Michx, ly beneath tomentose with slender, 

 Fl B or Am 2:270 (1803). Cheilanthes browrAsh-w, obscurely articulated hairs, 

 lanosa Watt, J Bot Brit and Foreign 12: 3-pinnate; pinnae and pinnules ovate- 

 48 (1874). oblong; ultimate pinnules %-%" long. 



CHEILANTHES COOPERAE Eaton. terminal ones twice as large; indusium 



B 2:337. Da 20. pale, membranous, continuous. Va; Mo; 



Stipes densely tufted, fragile, hairy Ga; Tex; Ar. Synonym: C. Bradburii 

 with straightish nearly w articulated Hooker. 



hairs which are com tipped with a glan- II. AA. Stipe and rachises covered 

 dular and viscid enlargement; fronds 3-8' with very narrow scales, 

 long, 2-pinnate, pinnae rather distant, ob- C: EATONT Baker, Hook & Baker, Syn. 

 long-ovate; pinnules roundish-ovate, Fil ed 1, 140 (1868). 



crenate and incised, ends of lobules form- Differs from C. tomentosa chiefly in 

 ing herbaceous indusia. having scaly rachises, and reduced to a 



Central and southern California. variety (Eatoni) by Davenport, Cat Dav 



Section PHYSAPTEEIS Presl. Ultimate Hb suppl 49 (1883). Maxon restores it 

 segs minute, bead-like, indusium com to specific rank. Ar. 

 continuous all round the margin; fronds CHEILANTHES FIBRILLOSA Davnpt. 

 in one sp 2-4-pinnate, lower surface Plant 3-6' hi; rtstock forming dense, 

 scaly or tomentose or both. entangled clumps of short rhizomes, 



*Fronds hairy or tomentose beneath, not clothed with dark linear-lanceolate 

 scaly. scales, passing gradually into lighter 



I. Upper surface naked or nearly so. brown scales, mixed with coarse fibres 

 C. GKACILLIMA Eaton. B 2 "337 Z 2' and tomentum at base of stipes; stipes 

 131 " 2-3' long, chestnut brown, terete, at 



Lace fern. Stipes densely tufted, 2-6' first , tomentose with fibrous scales and 

 long, dark brown; fronds 1-4' long nar- w o1 - becoming smooth with age; fronds 

 rowly ovate-lanceolate, bipinnate; pin- 2- 3 long %-!%' wide 3-pinnate, loose- 

 nae num, crowded, pinnately divided into ly covered W1 th decid tomentum, that 

 about 9 oblong-oval pinnules, at first al ? n & the rachises beneath persistent, 

 slightly webby above, soon smooth, , mixed . wltll fi t 1 r 1 S * ^T' Synonym: C ' 

 heavily covered beneath with pale fer- lanuginosa fibrillosa Dav. 

 ruginous matted wool; indusia y'ish- San Jacmto mts, California (Parish), 

 brown, formed of the continuously cur- CHEILANTHES PARISHII Davenport. 

 ved margin. Cal; Ore; Idaho; BC. Syn- Rtstock creeping, short, clothed with 

 onym: C. vestita Brack, in Wilkes' US deep brown linear-lanceolate scales, with 

 Expl Exp 16:71 (1854), not Swz. darker nearly bk mid-nerves; stipes 2-3' 



C: IcENDIGERA Swz. long, approximate, light to lark brown. 



Rtstock cord-like, creeping, covered clothed at base with scales similar to 

 with narrow scales; stipes rather dis- those on rtstock, pasing gradually into 

 tant, 4-8' long, at first loosely tomentose broader pale brown or nearly w nerve- 

 at length nearly smooth; fronds 4-8' less scales, with more or less decid, 

 long, ovate-oblong, 3-4-pinnate; ultimate slender, pale scales and chaff above; 

 pinnules small, cuneate-obovate, pouch- fronds 3-4' long, l-l 1 ^' broad, oblong- 

 like from the recurved margins, g above, lanceolate, 3-t-pinnate, with both sur- 



