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ferioribus pinnarum infimarum haud pinnatifidis ; lobi ultimi aut 

 valde abbreviati, latitudine longitudinem aequantes et apice di- 

 latati, oblique truncati retusique, mit elongati et margine obtuse 

 repando dentati. Sori in lobis vel dentibus loborum solitarii, 

 saepe dente exteriore perbrevi, obtuso superante; indusium quam 

 profundum multo latius. 



H. pusilla J. Sm. differs from tliis in having ail the 

 dimensions larger and the fronds more laxly divided. 



New Guinea {Mount Torricelli, Schlechter No. 14430). 



« 



Il.ymeiiolejlis spicata (L.f.), f»r.. Epim., 159; v. A. 



V. R., Mal. Ferns, 728; Acrostichum spicatum, L.f., Sappl., 444. 



A form gathered in Java {Mount Gedeh, C. A. Backer No. 

 3151) bas the fronds once to twice forked in the upper part, and 

 bearing 1 spike on each branch. 



Forma longipaleacea: Rhizome scales elongate-subulate, finely 

 long-acuminate, ciliate-denticulate. Java (Trètès, Docters van Leeu- 

 wen No. 11). 

 c? Var. COSliliata: Costulae (main veins) adsunt, in sicco 



prominentes, erecto-patentes, 1-2 X fi-ircatae, marginem non 

 attingentes. — -SMma^ra {Mount Sago, Burck). 

 /v ^ar. SCHiailUlBîfera: Rhizoma squamis elongato-subu. 



latis, gracihterlongi-acuminatis, ciliato-denticulatis vestitum; frondes 

 3—10 mm latae, squamulis minutissimis, sparsis, plus minusve 

 duciduis, nigris punctulatae. — ^e^6' Guinea {ne s.y Tenem-river,Gje\- 

 lerup No. 805). 



llyiBieiiosili.yHuiii Copegaiidiaiiiiiii. r. A. r. fl.; 



H. australe, Gopel. (not Willd.), Leafl. Phil. Bot., III, 800. 



Leptociofiium. — U. Reinwardtii F. D. B. affine sed: Rhizoma 

 glabrura; frondes paullo minores, marginibus valde crispatis et 

 parce (sed certe et definite) breviter denticulatis; sori quam lobi 

 ultimi ca 3-plo latiores; valvae indusiorum integerrimae vel mi- 

 nute et irregulariter repando-denticulatae; receptaculum adultum 

 stipitato-capitatum. 



H. Reindwardtii F. JD. B. differs from this in having the 

 rhizome hairy, the margins of the fronds less crisped and more 

 copiously toothed, and the réceptacle relatively thick, elongate- 

 clavate. 



H. australe Willd. has the margins less crisped and not at 



