298 



Supplement um. 



1. Acrostichum Karstenianum Kze. : fronde sterili sim- 

 plici, brevi -stipitata, elongato-lanceolata, subcoriacea, un- 

 dulata, nitida, discolore, alutacea, marginata, margiue re- 

 curvo, levissime repaudo, utriuque ad costara, subtus eleva- 

 tara, supra depressam, leviter sulcatam minute pallide- s. 

 fusco-squamulosa, obsolete furcato-venosa; stipite semitereti, 

 basi deusius fuseo-paleaceo; fertili longe-stipitata, sublineari, 

 utriuque j basi brevius, attenuata, margiue involuta, apice 

 curvata, apiculata, ad costam iucrassatam supra sparsim pi- 

 losa; sporangiis laxis obscuris; rhizomate froudis utriusque 

 adpresse fusco-paleaceo. 



Acrostichis Klotzschianis (Linnaea XX.) sub Elapho- 

 glossis A. oligole pideis 2. fronde lanceolata, rigida inserenda 

 species. 



2. Acrostichum melanopus Kze.: froude coriacea, in- 

 primis discum versus et in costa valida rufo-squamulosa, 

 laxe dichotome-venosa; sterili elliptico -oblonga, acuraiuata, 

 margiue fusco-paleacea , basi rotuudata cuneatare; stipite 

 brevi cum basi costae dense et squarrose obscure fusco-pa- 

 leacea, paleis caducis; fertili plus duplo miuore, elliptico - 

 oblonga, breviter acuminata; stipite lougo basique costae 

 sparsim miuute fusco-paleaceis; rhizomate utriusque repente, 

 brevi, squarrose et obscure fusco-paleaceo. 



Ex affinitate A. crinacei Fee; sed multo minus, fronde 

 coriacea, sterili breviore et breviter stipitataj fertili longe 

 stipitata rel. distinctum« 



