1017 1018 



broadest and spinulose-serrate, lower ceolate, acute, incised or serrate; indusia 



pairs often cleft nearly to base, into 2 membranous. Cal; Baja! SD Co! Syn- 



or 3 linear pinnules; veins fine, parallel, onyms: Aspidotis Calif ornica Nuttal, 



simple or once forked; indusium pale. Hooker, Sp Fil 2:71 (1858) as syn. Hy- 



Fla. Hypolepis californica Hook sp Fll 2:71 



P: SEBRULATA L, f, Suppl PI 445 (1S5S). 



(1781). Lace fern. Southern and Baja Cal. 



Ribbon-fern, spider-fern, saw-leaved C: PBINGIiEI Davenport, Torr cl b 10:61 



bracken. Stipes 6-9' long, naked, pale or t 34 (1883). Z 2:150. 



brownish; fronds 9-18' long, 6-9' broad, Rtstock slender, creeping, clothed with 



ovate, bipinnatifid, main rachis margined linear-lanceolate scales; stipes 1^-4%' 



with a wing which is 1-2" broad at top long, r'ish or chestnut brown, scaly at 



and grows narrower downwards; pinnae base and sparingly above; fronds 1-2%' 



in 6 or more distinct opp pairs, upper long, nearly as broad, triangular or 



ones simple, lower ones with several ovate-deltoid, 2-3-pinnately divided into 



long linear pinnules on each side, edge of 6-7 pairs of pinnae, opp and spreading 



barren ones spinulose-serrate; veins in the smaller sterile fronds, alt and 



simple or once forked. Ala (Mohr) ; erecto-patent in the larger fertile fronds, 



Macon, Ga (Farnell); SC. Probably an naked, dark-g; pinnae 5-eights to one 



escape from cult. and one-eighth inch long, lower un- 



Section PAL SI A St. Hilaire. Veins free, equally deltoid or ovate, bipinnate, up- 



rtstock creeping, stipes subdistant, in- permost oblong, pinnate or deeply pin- 



dusium more or less double. See Pteri- natifid; pinnules ovate or oblong, pin- 



dium. nately divided or cleft into oblique segs, 



tTZSIDITTM Scop Fl Com ed 1, 169 which are again deeply cleft into cuneate 



(1760). strap-shaped divisions, those of largest 



Section Palsia of Pteris. segs again deeply cut into narrow, ob- 



P: AQUIIiIITUM Kuhn in Deckins Rei- tuse, cuneate lobes, recurved tips in fer- 



sen III, Bot Ost-Afrika 11 (1879). tile fronds forming distinct herbaceous 



Brake, Bracken, Eagle fern, Umbrella inv with entire or crenulate margins; 



fern, Hog brake. Rtstock stout, wide- sori one to each ultimate lobe on apex 



creeping, subterranean; stipes 1-2 hi, of a free veinlet. Southeastern Ar (C. G. 



erect, stramineous or brownish; fronds 2- Pringle). 



4 long, 1-3 wide, ternate, the 3 Section ETJCHEIIiANTHES. Indusia 



branches each bipinnate; upper pinnules more or less cdnfluent, com extending 



undivided, lower more or less pinnatifid. over apices of several veinlets, but not 



Newfoundland; Quebec to Ala; Mo; Man- continuous all round segs; segs mostly 



itoba. Synonym: Pteris aquilina L, Sp flat, not bead-like. 



PI 1075 (1753). *Segs of frond smooth. 



Variety PSETJDOCATTDATTJM Clute, I. Pinnae few, not more than 5-6 



Fern b 8:39 (1900), as syn. pairs 



Long Island, NY, to Fla, Ala and Tex, C: WBXG2TH Hooker. 



mainly near coast. Stipes castaneous, slightly chaffy at 



Variety PUBESCENS Underwood, Our base, 1-2' long; fronds 2-3' long, ovate- 



Native Ferns, ed 6, 91 (1900). oblong, 3-pinnatifid, segs more or less 



Fronds silky-pubescent or tomentose, incised; indusium subcontinuous or in- 



especially on under surface; otherwise terrupted, similar to frond in texture. 



as type. Ar. Cal; Ut; BC. Synonym: Tex; Ar. 



Pteris aquilina lanuginosa Hooker, and n. Pinnae num. 



American authors not Bory, Willd, Sp C: T/ElCEOPHYIiLA Swz. 



PI 5:403 (1810). Rtstock short, creeping; stipes dark 



P: CAUDATUM Maxon, US Na MU pr brown, glossy, rusty pubescent on upper 



23:631 (1901). side, 4-6' long; fronds 4-6' long, ovate- 



Pinnules sometimes linear and entire, lanceolate, 2-3-pinnate; pinnae lanceolate, 



or with less crowded segs than P. aqui- lowest ones com largest and more del- 



lina; terminal lobe linear and entire. NJ; toid; pinnules oblong or deltoid-ovate, 



Fla; Tex. Synonyms: Pteris caudata L. deeply incised or pinnate; indusium sim- 



Sp PI 1075 (1753). Pteris aquilina cau- iiar in texture to frond, interrupted or 



data Hook. Sp Fil 2:196 (1858). subcontinuous. Fla; NM. 



Genus CHEIL.ANTHES Swurti. C: AiABAIvIENSIS Kunze. 



Q TTii ioft Msnfii Rtstock creeping, clothed with slender 



mUti. at 8 e 6 nd S of veins; indu- * ' 



Fee. Indusia dis- 



rnnfmprl tn ana-v nf f\ largeO-, com bma.lier Illctn lliose dDOve, 



confined f a pinnules com acute, often auriculate on 



OAT TTT-n-oxrTnA -M-Qti- upper side at base; indusia pale, mem- 



a * i-fi ^ ? Pfi? 9 -i4i branous, interrupted only by the incis- 



cheil 44. B 2.336. Da 20. Z 1.147. 2.131. , f pinnules . Va; Ala; Tenn; Tex; 



Greene, Cal ac b 2 lo Cruz. s Pellaea Alabamensis 



Buckiey> Am 



of frond glandular viscid. 

 faces, quadripinnatifid; lower pinnae CHEILANTHES VISCIDA Davenport. 

 largest, triangular; upper ones gradually Torr cl b 6:191. B 2:337. 

 smaller and simpler; ultimate segs Ian- Stipes 3-5' long, wiry, bk'ish, chaffy at 



