488 ASPLENIUM. 



unequal teetli ; tevturc subcoriaccous ; upper side bright-green ; veins flabellate ; 

 sori ^ in. 1. — Fil. Afr. p. 22. 



Hab. Mount Kilmanjaro, East Tropical Africa, 5-8,000 ft., Kersten. 



124*. A. Mettenii, Kuhn ; rachis livid, laxly clothed with ovate-acuminate 

 blackish scales ; fr. 3-pinnatifid ; pinnce oblong -lanceolate, 3 in. 1., stalked, 

 acuminate, cuneate-truncate on lower side at base ; segm. short-stalked, con- 

 fluent at base in a narrow winjr, cuneate-obovate, blunt, obtusely toothed ; 

 textu7~c thin but rather fleshy ; surfaces dull-green, with very minute blackish 

 scales ; veins erecto-patent ; sori 2-5-jugate. — Fil. Afr. p. 20. 



Hab. East Tropical Africa, near Monibas, Kcrstcn. 



133*. A. Glenniei, Baker; caud. erect; sccdes minute, dark-brown, linear- 

 setaceous ; St. densely tufted, |-1 in., castaneous, slightly scaly ; fr. oblan- 

 ceolate, bipinnate, 3-4 in. 1., |-1 in. br. ; rachis flattened, green in upper two- 

 thirds ; pinnce 20-2.5-j ugate, lanceolate, subpetiolate, blunt, central §-^ in. 1., 

 I in. br., many lower gradually reduced, cuneate-truncate on lower side at base ; 

 jnnnl. 5-6-jugate, oblong, adnate, toothed, externally subentire or lowest an- 

 terior pinnatifid ; texture subcoriaceous ; surfaces green, naked ; veitis immersed, 

 obscure ; sori oblong, costular, one at base of each pinnl., 2 or more to lowest 

 anterior. — Athyrium gracile, Fournier. 



Hab. Mexico, Consul Glennie, Bourgeau, 252. — Very near some of the forms of 

 fonta7ium. 



133*. A. spinescenSy Mett. ; rhizome short ; scales brown, lanceolate-acuminate ; 

 St. ^-\ in., green ; fr. lanceolate, 2-3 in. 1., bipinnatifid ; rachis flattened, 

 narrowly winged ; pinnce 9-jugate, sessile, rhomboid-oblong, blunt, pinnatifid, 

 central ^ in. 1., lower reduced ; pjinnl. 2-3-jugate, with subspinose teeth, lowest 

 anterior cuneate, 3-dentate ; texture subcoriaceous ; surfaces pale-green, gla- 

 brous ; sori near the costa and nearly parallel with it. — Kuhn, Linn. 36. p. 98. 



Hab. Bolivia, D'Orhigmj, 354. 



133*. A. micropteron, Baker; st. j in., flattened, castaneous; basal scales 

 linear, brown ; rachis much produced beyond the lamina, rooting at the tip, 

 green and flattened with a narrow wing down to the base ; fr. lanceolate, bipin- 

 natifid, 2-4 in. 1., -^-I in. br. ; pinnce 15-20-jugate, sessile, central close, deltoid, 

 bluntish, reduced and cuneate-truncate at base on lower side, lowest reduced, 

 upper lax, cut down to a narrow wing into close erecto --patent 2^innl., upper lan- 

 ceolate, lowest anterior cuneate-deltoid, |-1 lin. br., sharply toothed externally ; 

 texture subcoriaceous ; surfaces green, naked ; sori costular, linear-oblong, 1 to 

 each upper pinnl., 2-3 to lowest anterior. 



Hab. San Luis, 7,000 ft., Pearce. 



144. Mettenius and Kuhn, Linnpea, 30, p. 99, separate the Tropical American 

 plant as a species under the name of A. conimutatuin. 



147*. A. tcncrrimum, Mett.; st. tufted, very slender, castaneous, naked, 1-2 

 in. 1. ; fr. deltoid, 3-4 in. 1., 3-4-pinnatifid ; pinnce few, deltoid, lowest largest, 

 sessile or short-stalked ; jnnnl. few, deltoid, cuneate-truncate on lower side at 

 base ; lower segm. obovate-cuneate, deeply flabellately pinnatifid, with linear 

 acute 1 -veined lobes h,-\ lin. br. ; texture men\hva,nous ; surfaces x\.&ked,\ixighi- 

 green ; sori oblong. — A. delicatulum, edit. 1. ex parte. 



Hab. Venezuela, Fendler, 454, Furdie. 



lOo'''. A. pteridoidcs, Baker; st. 3-4 in., dull-green, naked ; fr. oblong- 

 deltoid, 8-9 in. 1., tripinnatifid ; rachis flattened, naked, winged in upper half; 



