488 ASPLBNIUM. 



unequal teeth ; texture subcoriaceous ; upper side bright-greBn ; veins flabellate ; 

 sofi i in. 1. — Fil. Afr, p. 22. 



Hab. Mount Kilmanjaro, East Tropical Africa, 6-8,000 ft., Kenlen. 



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

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

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

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

 texture thin but rather fleshy ; swi-faces dull-green, with very minute blackish 

 scales ; veins erecto-patent ; sori 2-6-jugate.— i?VV. Afr. p. 20. 



Hab. East Tropical Africa, near Mombaa, Kcrsten. 



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

 setaceous ; St. densely tufted, J-l in., castaneous, slightly scaly ; fr. oblan- 

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

 tliirds ; pinnae 20-25-jugate, lanceolate, subpetiolate, blunt, central, f-^ in. 1., 

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

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

 terior pinnatifid ; texture subcoriacebus ; surfaces green, naked ; veins immersed, 

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

 anterior. — Athyrium gracile, Fownier, 



Hab. Mexico, Conml Qlermie, B(mrgeau, 252. — Very near some of the forms of 

 ftmta/rmm. ' 



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

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

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

 central \ in. 1., lower reduced j pinnl. 2-3-jugate, with subspinose teeth, lowest 

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

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



Hab. Bolivia, XfOrUgny, 354. 



133*. A. mieropteron, Baker; st. \ 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., ^- j 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 j»««re^,, upper lan- 

 ceolate, lowest anterior cuneate-deltoid, \-\ 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, Linnsea, 36, p. 99, separate the Tropical American 

 plant as a species under the name of A. commutatum, 



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

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

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

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

 acute 1- veined lobes ^-J lin. br. ; texture msmhtaxMua ; st«)/fl(ce« naked, bright- 

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



Hab. Venezuela, Fendler, 454, Purdie. 



165*. A. pteridoides, Baker ; st. 3-4 in., dull-green, naked ; fr. oblong- 

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



