PELLjEA. 477 



6-7-jugate below tlie pinnatifid apex, lowest largest, 3 in. 1. ; pinnl distant, 

 adnate by a broad base, ovate-deltoid, acute ; upper surface glabrous, lower 

 hairy on the ribs ; inv. continuous, glabrous, corrugated. P. flavescens, Fourn. 

 F'il. Mex.p. 119. non Fee. 



Hab. Mexico, Bourgeau. 



15*. ~P.lrachyptera, Baker; rhizome short-creeping, clothed towards the end 

 with subulate scales ; st. 4-6 in. 1., naked, castaneous ; fr. 4-6 in. 1., lanceolate, 

 bipinnate ; pinnce very short, sessile, erecto-patent, semicircular, lower consisting 

 of 7-9 narrow linear pinnl. |- in. 1., with edge revolute, mucronate tip and 

 rounded base ; texture rigidly coriaceous ; surfaces naked, dull-green ; veins 

 obscure, immersed. Platyloma brachypterum, Moore, Gard. Chron. 1873, p. 141. 



Hab. California, Hort. Veitch. Placed by Prof. Eaton as a variety of ornithopus. 



15*. P. bella, Baker ; st. 3 in., naked, ebeneous ; fr. 5-6 in. 1., linear, bipin- 

 nate or subtripinnate ; pinnae numerous, ovate, sessile, ^-f in. 1. ; pinnl. 4-6- 

 jugate, linear-oblong, in. 1., mucronate, rounded at base, lowest sometimes 

 2-3-nate, the edges strongly revolute ; rachis naked, castaneons ; texture rigidly 

 coriaceous ; surfaces dull-green, naked ; veins obscure, immersed. Platyloma 

 bella, Moore, Gard. Chron. 1873, p. 213. 



Hab. California, Hort. Veitch. Near the last, but much more slender, with more 

 numerous and shorter pinnules. 



16*. P. flavescens, Fee ; rhizome short-creeping, clothed with adpressed dark- 

 brown lanceolate scales ; st. naked, ebeneous, -1 ft. 1. ; fr. oblong- or lan- 

 ceolate-deltoid, 6-12 in. 1., 2-3-pinnate ; rachises black, wiry, naked ; pinnae 

 close, lanceolate, patent, short-stalked, lowest rather longest, pinnate or with 

 lowest pinnl. pinnate with 2-3-jugate segm. ; segm. ovate-oblong, l|-2 lin. br., 

 blunt or subacute, with strongly revolute edges ; texture rigidly coriaceous ; 

 surfaces naked, dull-green ; veins immersed ; inv. firm, persistent, crisped, with 

 close indentations. Fil. Bras. t. 22. fig. 2. P. Bongardiana, Baker, Fl. Bras, 

 fasc. 49. p. 397. t. 55. Jiff. 2. 



Hab. Eio Janeiro, Bongard, Gladw,. 



22*. P. Greggii, Mett. ; rhizome short-creeping, densely clothed with subulate 

 black-brown toothed scales ; st. 1-3 in. 1., reddish, opaque, slightly scaly ; fr. 

 2-3 in. L, ovate-lanceolate, 2-3-pinnate ; lower pinnce short-stalked, ovate-lan- 

 ceolate ; pinnl. sessile, narrowed at base ; segm. sessile, oblong or ovate-oblong, 

 obtuse, 1-2 lin. L, with revolute edges ; texture coriaceous ; under surface white- 

 farinose ; veins immersed ; sori hidden by revolute edge of segments. Kuhn, 

 Linn. 36. p. 86. 



Hab. Mexico, Dr. Gregg, 467. General habit of Notochlcena chilensis. 



26. Mettenius and Kuhn, Linnaea, 36. p. 85, separate the Chilian plant under 

 the name of P. myrtillifolia, by its rachises flattened above and margined, more 

 compound frond and numerous shorter-stalked pinnae. 



27. P. pulchella, var. P. micropTiylla, Mett. Kuhn, Linn. 36. p. 86; segm. 

 shorter, broader, flatter, and more cordate. 



Hab. New Mexico, O. Wright, 825. 



35*. P. Zippellii, Baker; st. short, tufted, scaly; fr. lanceolate, l\ ft. L, 

 2^ in. br., simply pinnate ; pinnce 50-60-jugate opposite, patent, short-stalked, 



