n ^»- 



■\ -»JPt=1 ■ 



500 GONTUIBUTIONS FROM TilE NATIONAL 1IERT3ARTUM. 



tlie nun'i^ robust fita^^e of tho siiocios. Wriglit's spechiioiis, i^f which there art* 

 two slioots in the horbariuin of Cohnubia rniverwity and oiio in tlio U. S. Na- 

 Liomil Ilorbariuni, ;ls lunch smaller but fertile/' The species is soniewliut allied 

 to EJitith(>(jI<f>i.-^Ui)i iii tioialmn (S\v.) T'rbaik, originally described frDUi Janiaiea, 

 J'roni whieli it diiTei's c<Hispicm)usly \\\ its ol)liqne veins, long-tapering fi'onds 

 (long attenuate below), hi its eopious covering; of irr(\ij:nlarly stellate scales, 

 and t^siKK'ially in the prouiinent bristly ciliate scales of the rootstock. In coni- 

 ]non wilh E, pvtUfhiliun and the ;\K^xiean tL aninvoskun (D. 0. Eaton) C. Chr. 

 it shows a teudent-y toward an inlorniedlate position hchveen I he two usually 

 well-marked sections of tlu^ i;;enus, as elaboral<Hl by \n\ (lirist in Lis niono- 



gra[)lu 



Pellaea lozaiii Max(^n, s[k nov. 



FriMuls 15 to 2r> can. loni;, 4-lust(^i'e4l upon an as<'endiniX rhizome bearin;^ short 

 dark aeieular scales with narrow brown boriUM's; stipi^s 4 to cm. lonj^ (av- 

 ora^^ing 7 or S cm.), light brownish green, with a few narrow scales similar to 

 those of the rhizome; lamina 10 to IT.o cm. long» 5.5 ti) .s.r> cm. broad, narrowly 

 ovate, a(Mnninate, sini[)ly pinnate, slightly broader at tln^ muhlb* than at the 

 base; rachis like the slit»o, bearing numerous narn>w browTusli lilaek-lij^ped 

 aj^pressinl scales; iiinna* 7 to it pairs, approximate or slightly imbricate (only 

 the ]ow(M-most pair or two somewhat spaced), simple, falcate, the lowermost 

 l»air st'ssile and sometimes hastate, those above sessile, huieeolate, auriculate, 

 the pioaounced rounded auricle overlapping the rachis, rounded or subcordate 

 below, the upjKM-niost two c»r tliree iiairs unequally subrordale, finally adnate 

 and decurrent, gi\ing rise to an elongate aianninate terminal segment (»nco or 

 twice sharply ch:ft below; largest pinntie (middle) 4.3 cm. long, 1 cm, br<tad 

 near the base (1,1 cm., including the auricle), tapering regularly and evt^ily to 

 an acute apex; texture firm, charlaceous; leaf-tissue covered sparingly both 

 above and below with short whitish glandular hairs; veins close, repeatedly 

 forked; scu'i forunng a narrow continuous band eomplelely aroun<l Ihe slightly 

 changed margin. 



TyjM' in the I'. S. National Ilerbarium, no. 4r>20S4 ; collected on wet ledges hi 

 Tguala Cano]!, near Ignala, altitude tlOO meters, in the State of (luern^ro, .Ab^xieo, 

 July 2;;, ]t)07, by Filemon Ij. Lozano, and distributed l>y Dr. T. C Pringle as 

 no. lo9J7. The personal name is given at lla^ suggestion of Dr. Prhigle, who 

 writes mosi ai)preciativ(My of liis friend and assistant, Seilor Lozano, 



Notwithstanding the mnrlunl (Hsslnularity in form, the al]ian(*e of /*. Iftzani 



I 



is clearly with !\ .scruKdnfi, from whii'li it aiqu^ars 1o differ sniiiciently in its 

 simple p;nn;L% scantier vestiture, e1c. 



Pellaea notabilis Maxon, sp. nov. 



Plant about 45 eiii, high, eoniin-ising (J haig-stij)Uate sinqtl^' piiunite fronds. 

 Kluzome stout, 1 em. in ilianietei*, creeping (i; cm.)t very thickly clothed with 

 Iin(\'ir long-atteuuate tawtiy silky chatf (7 to S mm. long), that of tln^ apical 

 [Mirtion light straw-colored; stipes clustertnl, 22 to 25 cm. long, stout, 1.5 nun. 

 in diameter, terete throughout, straw-colored with purplish bases, naked iwcept 

 fi>r a few spreading silky hairs near the base; lauuna bluish green, conspk-u- 

 ously lighter below, chartaeeous, glabrous, 20 to 2:i mi. I(»ng, Kl em. broad, 

 deltoid-ovate in drying, onee i)iunale, G lo S pairs of narrow-sj)aced (2 to 

 vi.5 cm. ai>art) pinnu? and a similar terminal s(»gment, the i-achis stout, nakcMl, 

 straw-coloreil ; i^innte oppi)site or stibopposite, all of mvirly equal size (0 to 8 



«Also seen in the collection of D. O. Eafou and at Kew ; indicated by Eaton 

 as ]irn1)al)ly undescribed, and at Kew place<l with /'7, tixtutn (II. ^: P>.) Moi.>re, 

 originally from Venezuela, to whose tyjH' siiecimen, as seen in the WiiUler.ow 

 lierbarium at Perlin, it lias no close resemblance. — Tw. M, Undkliwoud, in lilt. 



