CHARACTEBS OF TRIBES AND GENERA. 145 



J. Sm., Eedd. F. Brit. Iiid., 325 {Acrostichum Pliotinojiteris 

 driiuarioides, Hooh. Sj). Fil.) 



A native of Penang' and Solomon Islands. 



Sect. 4. ACEOSTICHE*. 



Vernation fasciculate erect, or decumbent. Fronds pin- 

 nate. Venation reticulated, without free veinlets. 



60.— Nedeocallis, Fee. (1844). 

 Acrostichum sp., auct. ; Hook. Sp. Fil. 



Vernation fasciculate, decumbent. Fronds pinnate, 

 3 to 4 feet high, smooth. Sterile pinnm elliptical, lanceo- 

 late, acuminate, entire, 8 to 10 inches long, 2 inches 

 wide, sessile adherent with the rachis. Veins uniform, 

 reticulated ; areoles oblong, hexagonoid. Fertile frondx 

 contracted, pinnos linear, acuminate, plane, \Yholly sporaii- 

 giferous on the under side. Sporarnjia destitute of indusioid 

 scales. 



Type. Acrostichum prcBstantissimum, Borij. 



Illust. Hook. Gard. Ferns, t. 68 ; Moore Ind. Fil., p. o, 

 fig. 1 and .5 ; J. Sm. Ferns, Brit, and For., fig. 44. 



Oes. — This genus is founded upon a splendid pinnate- 

 fronded Fern, found only in the islands of Guadaloupe arid 

 Dominica. In the character of its venation it agrees with 

 Lomagramma, from which it diifers in the pinna; not beijii.;' 

 articulate with the rachis. 



Sp. H. prsBstautissima {Borij.) (v v.) 



61. — Acrostichum, Linn, {in part) (1737). 

 Ghrysodium, Fee.'; Acrostichum, Hook. Sp. Fil. 

 Vernation fasciculate erect. Fronds coronate, pinnate, 

 smooth, 2 to 8 feet high ; pinnffi entire, from 6 to 18 inches 

 L 



