394 55. ANTROPHYUM. 



surface, oblique, linear-vermiform, often forked. Hk. Sp. 5. p. 174. Ic. t. 394. 

 2nd Cent. t. 70. Scoliosorus, Moore. 



Hab; Mexico and Guatemala. Connects AnlropJtyum with the Selliguece of the 

 lanceolata group. 



10. A. lanceolatum, Kaulf. ; fr. 1 ft. or more 1., -| in. br., tbe point acute, 

 the edge entire, the lower half narrowed very gradually to the base ; texture 

 papyraceous, a distinct slender raised midrib throughout; areolce vertical, 

 hexagonal, 2-3 times as long as broad, about three rows between the midrib and 

 edge ; sori slender, superficial, often joining. Hk. Sp. 5. p. 176. 



Hab. West Indies and Mexico to New Granada. The Mexican A. Fdei, Schaff., is a 

 short broad variety of firmer texture, with a slightly repand margin. 



11. A. subsessile, Kunze ; fr. 6-12 in. 1., 1-1 in. br., broadest one-third of the 

 way down, narrowed gradually to the base and an acute point ; texture firm ; 

 midrib raised, distinct from the base to the apex ; areolce oblique, hexagonal, 

 about twice as long as broad ; sori subsuperficial, often forked. Hk. Sp. 5. 

 p. 171. 



Hab. Cuba and Guatemala to Peru. 



12. A. cayennense, Kaulf. ; st. 1-4 in. 1. ; fr. 6-9 in. 1., l-l in. br.. lanceolate- 

 oblong, narrowed at both ends, the edge thickened, entire ; texture rather firm, a 

 distinct prominent midrib extending from the base to the apex ; areolce oblique, 

 hexagonal, half as broad as long ; sori subsuperficial, often forked. Hk. Sp. 5. 

 p. 171. 



Hab. Guiana and the Amazon Valley. Closely allied to the preceding. The two may 

 be readily distinguished by their raised midribs and short oblique areolae. 



13. A. latifolium, Blume ; st. 3-6 in. 1., stout, compressed, widening into the 

 frond gradually ; fr. 4-6 in. 1., 3-4 in. br., oblong or obovate, the apex cuspidate, 

 the edge entire or slightly repand towards the point, the base narrowed very 

 gradually ; texture thick ; no distinct midrib; areolce vertical, 2-3 in. 1., | in. br. ; 

 sori stout, copious, rarely joining. Hk. Sp. 5. p. 172. 



Hab. Java and Bootan. 



14. A. Mannianum, Hk. ; st. 6-9 in. 1., slender, blackish, curved ; fr. 6-9 

 in. 1., nearly as broad, obovate or roundish, the apex cuspidate, the edge repand, 

 the base broad-cuneate ; texture thin, no distinct midrib; the areolce 1-2 in. 1., 

 | in. br., radiating from the base to the circumference ; sori slender, copious, 

 often joining. Hk. Sp. 5. p. 173. 2nd Cent. t. 73. 



Hab. Guinea Coast. 



15. A. Boryanum, Kaulf. ; st. 1-4 in. 1., stout, compressed, passing into the 

 frond gradually ; fr. 6-12 in. ]., 2-4 in. br., broadest a third or halfway down, 

 the point acute or blunt, the edge entire, the lower part narrowed very gradually ; 

 no distinct midrib ; areolce numerous, vertical, hexagonal, f in. L, % in. br. ; 

 sori slender, often joining. Hk. Sp. 5. p. 172. Hk. $ Gr. t. 74. 



Hab. Mauritius, Bourbon, and Johanna Island. A. obtusum, Kaulf., does not appear 

 to be clearly distinguishable. 



16. A. giganteum, Bory ; fr. 12-18 in. 1., 3-4 in. br., broadest a third of the 

 way down, narrowed very gradually to a short very stout paleaceous stem, the 

 edge with a broad entire cartilaginous border ; texture very thick ; areolce close and 

 fine, vertical, about in. 1., 1 lin. br. ; sori slender, often joining. Hk. Sp. 5. 

 P . 174. 



Hab. Mauritius and Bourbon. 



