1041 



1042 



vate entire lobes. Vt; NY; Can; Alk- 



Greenland. Synonyms: Acrostichum al- Q' Pl umm 6rae Lemmon, bot gaz, 7:6 



. hyperboreum 1 Liljeb/ Kongl 'vetensk t Tr * be DICXSOWEAE. Sori roundish or 



Akad ^ ya Hendl 14:201 (1793) transversely elongate, borne at ends of 



Woodsia hyperborea R. Br, Prodr Fl vein , 3 or n marginal cross-veinlets with 



Nov Holl 1:158 (1810). an indusium attached at base or base 



W. GLABELIA R. Br. and sides and opening toward margin of 



. 



pinnate; pinnae deltoid or ovate, lower Son marginal, small, indusium cup- 



rather remote, cut into 3-7 rounded or sh aped, somewhat 2-valved, under nor- 



subcuneate entire lobes. Vt; NY; BC- * ion confluent with a lobule of frond 



Alk; Greenland. Named for James Dickson, an English 



**Strpes not jointed; cilia of indus- botanist; about 50 sp, many arborescent 



II, 2:90 (1865). B 2:348. Rtstock slender, extensively creeping 



Rtstock short, creeping, very chaffy; naked; stripes stout, chaffless; fronds 



stipes 2-4 long, puberulent like rachis l ~ 2 *6 long, 5-9' broad, ovate-lanceolate 



and under surface of frond with minute and pointed, com 3-pinnatifid; pinnae 



flattened hairs and stalked glands; lanceolate, pointed; pinnules cut into 



ronds lanceolate, 4-8' long, pinnate; oblong and obtuse cut-toothed lobes; 



pinnae num, oblong-ovate, pinnatifid rachis and under surface minutely glan- 



with 10-16 sh ovate or oblg toothed dular and hairy; sori minute, each on a 



divisions; indusia very delicate, deeply recurved toothlet, com 1 at upper mar- 



cleft into laciniae which terminate in Sin of each lobe. Can; Minn; Tenn; Ga; 



SSELS&F 1 ' Col ; Ar : Cal; Ore; Alk. Ala. Synonyms: Dicksonia punctiloba 



WOODSIA OREGANA Eaton. Hooker, sp Fil 1:79 (1846). Nephrodium 



punctilobulum Michx Fl Bor Am 2:268 



Stipes and fronds smooth; fertile (1803). Aspidium punctilobulum Tor- 



fronds taller than sterile ones; pinnae r y- Dennstaedtia punctilobula Moore, 



triangular-oblong, pinnatifid; segs ob- Index Fil xcvii (1857). 

 long or ovate, toothed or crenate; teeth - O - 



often reflexed and covering submarginal -M-OVTO A XT TT-O-DXTO 



son; indusia very minute, divided al- MEXICAN FERNS. 



most to center into a few beaded hairs 



NebrY t BC 0l Man D itoba Cal; WiS: Mi h; k; S P ecies collected by C. R. Orcutt. 

 WOODeTA MEXICANA Fee. Determinations by W. R. Maxon. 



7 me Mem Fam Foug 66 (1854). 



Stipes 2-3' long, smoothish, or with a ADIANTOPSIS BADIATA (L) Fee. 



few scattered scales; fronds 3-9' long, Orcutt 2930: Sanborn, VC, 23 F 1910. 



lanceolate; pinnae sub-opp .triangular- ADIANTUM ANDICOLA Liebm. 



lanceolate, pinnately divided into finely Orcutt 4025: Teziutlan, Pue, 7 S 1910. 



toothed segs, teetn in young fronds end- ADIANTTJM CONCXBTI7TJM Willd. 



ing in delicate, semi-transparent, cili- Orcutt 4639: Alzada, Col, 4 N 1910. 



ated tips; sori near margin, broad, con- ADIANTTTM PETIOLATUM Desv. 



fluent; receptacles dot-like, scales of in- Orcutt 3:83: Rincon Antonio, Oax, 21 



dusium 4, laciniate, narrow, dividing at Ap 1910. 



end into articulated hairs; sporangia Orcutt 3201: Chinameca, VC, 30 Ap 1910. 



nearly sessile. Ar; NM; Baja mts! ADIANTTTM POIBETII Wikstr. 



Section HYPOPELTIS Torrey. Indus- Orcutt 4298: Churubusco, Mex, 4 O 1910. 



ium conspicuous, at first enclosing Orcutt 3980: Teziutlan, Pue, 6 S 1910. 



sporangium, but early opening at top Orcutt 3842: El Parque, Mor, 31 Ag 



and splitting into several spreading 1910. 



jagged lobes. " Orcutt 3480: Contreras, Valley of Mex- 



W. OBTUSA Torrey, Cat PI in Geol R ico, 9 Ag 1910. 



NY 195 (1840). ADIA1TTTJM TENEBITM Swartz. 



Stipes not jointed, 3-6' long; fronds Orcutt 3379: Omealca, VC, 7 Ap 1910. 



broadly lanceolate, minutely glandular- Orcutt 4692: Tuxpan canyon, Col, 3 N 



hairy. 6-12' hi, nearly bipinnate; pinnae 19m 



rather remote, triangular-ovate or ob- ADIA3TTUM TBICHOIiEPIS Fee. 



long, pinnately parted: segs oblong, ob- Orcutt 4206 et 4207: Rio Balsas, Gro, 26 



tuse, crenately toothed, lower ones pin- Ag 1910. 



natifid; veins forked. Nova Scota; Ga; ADIANTTJM VIIiLOSUM L. 



Ala; Tex; Wis; Nebr; Alk; BC. Synon- Orcutt 2988: Sanborn. VC, 10 Mr 1910. 



yms: Polypodium obtusum Spreng, An- AZiSOFEZIiA ABMATA (Sw) Presl. 



leit Kennt Gewachse ed 1, 3:92 (1804). Orcutt 3195: Chinameca. VC, 30 Ap 1910. 



Woodsia perriniana H & G. Aspidium ALSOPETIiA M1CBODOITTA Desv. 



obtusum Willd. Cheilanthes crenata Orcutt 3194: Chinameca, VC, 30 Ap 1910. 



Kunze. Hypopeltis obtusa Torr. ALSOPHH^A QUADBrPINNATA (Gmel) 



Variety PLUMMEBAE Maxon, US Nat C Chr. 



Mu pr 23:644 (1901). Orcutt 3997: Teziutlan. Pue, 7 S 1910. 



Smaller and more glandular. NM; Ar. ALSOPHII.A SCKIEDIATTA Presl. 



Synonyms: W. obtusa glandulosa D. C. Orcutt 3213: Cordova, VC, 6 Ap 1910. 



Eaton and Faxon, Torr cl b 9:50 (1882). ANEMIA MEXICANA Klotzsch. 



