37 



38 



base with narrow ferruginous scales; 

 fronds 3-5' long, %~l f broad, narrowly 

 oblong, pinnate, with 4-6 distant pairs 

 nearly sessile, deltoid, 2-pinnatifid pin- 

 nae; segs toothed, minutely glandular 

 and everywhere viscid; teeth of seg re- 

 curved, forming indusia. Cal; CD! 



Colorado Desert near Whitewater. 

 *** Fronds somewhat hairy and glandu- 

 lar, not tomentose. 



I. — Fronds deltoid-ovate; stipes stram- 

 ineous. 



C^EUCOPODA Link. 



Stipes 3-4' long, stout, chaffy at base; 

 fronds 2-4' long, deltoid-ovate, 4-pin- 

 nate at base, gradually simpler above, 

 everywhere glandular-puberulent ; lowest 

 pair of pinnae unequally deltoid-ovate, 

 upper ones oblong; pinnules short-stalk- 

 ed; ultimate pinnules divided into 

 minute rounded lobules, strongly revolute 

 when fertile. Tex. 



II. — Fronds ovate-lanceolate; stipes 

 brownish. 



C:VESTITA Swz, Syn Fil 128 (1806). 



Stipes tufted, 2-4' long, wiry, chestnut 

 brown; fronds 4-9' long, 1-2' broad, 3- 

 pinnatifid; pinnae somewhat distant, lan- 

 ceolate-deltoid; segs more or less thick- 

 ly covered with acute hairs; sori copious; 

 indusia formed of ends of roundish or 

 oblong lobes. Conn; NY; Kans; Ga; Tex. 

 Synonyms: Nephrodium lanosum Miehx, 

 Fl B or Am 2:270 (1803). — Cheilanthes 

 lanosa Watt, J Bot Brit and Foreign 12: 

 48 (1874). 



CHEILANTHES COOPERAE Eaton. 

 B 2:337. Da 20. 



Stipes densely tufted, fragile, hairy 

 with straightish nearly w articulated 

 hairs which are com tipped with a glan- 

 dular and viscid enlargement; fronds 3-8' 

 long, 2-pinnate, pinnae rather distant, ob- 

 long-ovate; pinnules roundish-ovate, 

 crenate and incised, ends of lobules form- 

 ing herbaceous indusia. 



Central and southern California. 

 Section PHYSAPTEEI3 Presl. Ultimate 

 segs minute, bead-like, indusium com 

 continuous all round the margin; fronds 

 in one sp l 2-4-pinnate, lower surface 

 scaly or tomentose or both. 

 *Fronds hairy or tomentose beneath, not 

 scaly. 



I. — Upper surface naked or nearly so. 

 C. GBACH.X.IMA Eaton. B 2:337/ Z 2: 

 131. 



Lace fern. Stipes densely tufted, 2-6' 

 long, dark brown; fronds 1-4' long, nar- 

 rowly ovate-lanceolate, bipinnate; pin- 

 nae num, crowded, pinnately divided into 

 about 9 oblong-oval pinnules, at first 

 slightly webby above, soon smooth, 

 heavily covered beneath with pale fer- 

 ruginous matted wool; indusia y'ish- 

 brown, formed of the continuously cur- 

 ved margin. Cal; Ore; Idaho; BC. Syn- 

 onym: C. vestita Brack, in Wilkes' US 

 Expl Exp 16:71 (1 854), not Swz. 

 C: XJSNDIGEBA Swz. 



Rtstock cord-like, creeping, covered 

 with narrow scales; stipes rather dis- 

 tant., 4-8' long, at first loosely tomentose 

 at length nearly smooth; fronds 4-8' 

 long, ovate-oblong, 3-4-pinnate; ultimate 

 pinnules small, cuneate-obovate, pouch- 

 like from the recurved margins? g above, 



hairy below. Huachuca mts, Ar (Lem- 

 mon). 



II. — Upper surface decidedly pubes- 

 cent 



A. — Stipes tomentose or smooth. 

 C: PEE! Moore, Index Fil XXXVIIT 

 (1857). 



Stipes densely tufted, slender, at first 

 clothed with woolly hairs, at length 

 nearly smooth fronds 2-4' long, ovate- 

 lanceolate, 2-pinnate or 3-pinnatifid, 

 rarely bipinnate; pinnae deltoid below, 

 oblong-ovate above, lowest distant; ulti- 

 mate pinnules minute, terminal one 

 slightly largest, crowded; upper surface 

 scantily tomentose, lower densely mat- 

 ted with w'ish-brown woolly hairs; in- 

 dusia narrow, formed of the unchanged 

 margin. Ill; Tex; Ar; Minn; BC. Syn- 

 onyms: C. lanosa D. C. Eaton. — C, ves- 

 tita Hooker in part.— C. gracilis Mett, 

 A.bh Senck Nat Gesell 3:80 (1859-61) 

 not Kaulf. — G. lanuginosa Nuttall, 

 Hooker, Sp Fil 2:99 (1858) as syn.— 

 Myriopteris gracilis Fee, Gen Fil 150 

 (1850-2). 



C: lOMENTOSA Link, Hort Berol 2:42 

 (1833). 



Woolly lip-fern. Stipes tufted, 4-6' 

 long, rather stout, covered with pale 

 brown tomentum; fronds 8-15' long, ob- 

 long-lanceolate, everywhere texit especial- 

 ly beneath tomentose with slender, 

 brownish-w, obscurely articulated hairs, 

 3-pinnate; pinnae and pinnules ovate- 

 oblong; ultimate pinnules Vn- Z k" long, 

 terminal ones twice as large; indusium 

 pale, membranous, continuous. Va ; Mo; 

 Ga; Tex; Ar. Synonym: C. Bradburii 

 Hooker. 



II.- — AA.- — Stipe and rachises covered 

 with verv narrow scales. 

 J: EAT ONI Baker, Hook & Baker, Syn. 

 Fil el l, 140 (1868). 



Diners from C. tomentosa chiefly in 

 having scaly rachises, and reduced to a 

 -« -rrie'v 'EatonD by Davenport, Cat Dav 

 Hb suppl 49 (1883). Maxon restores it 

 to specific rank. Ar. 



CHEILANTHES FIBRILLOSA Davnpt. 



Plant 3-6' hi; rtstock forming dense, 

 entangled clumps of short rhizomes, 

 clothed with dark linear-lanceolate 

 scales, passing gradually into lighter 

 brown scales, mixed with coarse fibres 

 and tomentum at base of stipes; stipes 

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

 first tomentose with fibrous scales and 

 wool, becoming smooth with age; fronds 

 2-3' long, wide, 3-pinnate, loose- 



ly covered with decid tomentum, that 

 along the rachises beneath persistent, 

 mixed with coarse fibres. Synonym: C. 

 lanuginosa fibrillosa Dav. 



San Jacinto mts, California (Parish). 

 CHEILANTHES PARISHU Davenport. 



Rtstock creeping, short, clothed with 

 deep brown linear-lanceolate scales, with 

 darker nearly bk mid-nerves; stipes 2-3' 

 long, approximate, light to lark brown, 

 clothed at base with scales similar to 

 those on rtstock, pasing gradually into 

 broader pale brown or nearly w nerve- 

 less scales, with more or less decid, 

 slender, pale scales and chaff above; 

 fronds 3-4' long, 1-1 M' broad, oblong- 

 lanceolate, 3-4-pinnate, with both sur- 



