of the Galapagos Archipelago. 169 



Stipes 3-uncialis, filiformis, glaberrima. Rami 3, laterales, horizontaliter patentes, brevius- 

 culi. Rachis superne praesertim parce pubescens. Pinnae sub-10, membranaceae, \ 

 unc. longae, J- latae, breviter petiolats, lineis radiantibus subrugosae, margine superiore 

 siccitate subcrispato integro ; basi truncata, rachi parallela. Sori pauci, parvuli, quavis 

 pinnula fundo sinus solitarii. 



A small species, most nearly allied to a native of New Zealand, in which 

 the upper margins of the pinnee are crenate. 



30. A. Henslovianum, Hook.Jil.; frondibus bi- v. rarius tripinnatis elongato- 



ovatis, pinnis primariis attenuatis ; secundariis raris ; pinnulis laxis diva- 

 ricatis breviter petiolatis rhombeo-lunulatis membranaceis siipern^ cre- 

 nato-lobatis, soris in fundo loborum majusculis, rachi puberula, stipite 

 rufo-brunneo. 

 Hab. James and Charles Islands, Charles Darwin, Esq. 



Species pulcherrima, elata, sub-3-pedalis. Stipes gracilis, nitida, canaliculata, fundo sulci 

 pubescens, | ped. longa. Pinnae primariae alternae, remotae, lineares, gradatim acumi- 

 natse, 6 unc. longae, f latae, scabridae, ut et rachis pilis rigidis sparsae. Pinnae secundariae 

 (dum adsunt) irregulariter insertae, cum pinnula ssepe alternantes, hinc rami quasi pro- 

 liferi evadunt. Pinnulae 30-40, alternae, horizontales, margine inferiori lunatae, ad apices 

 rotundatas, superiores basi truncatae v. in auriculam productae, 4-fidae, segmentis qua- 

 dratis emarginatis ad apices soriferis. Sori plurimi. Indusia majuscula. 



31. Blechnum occidentale, Sw. 

 Hab. James Island, Charles Darwin, Esq. 



32. AsPLENiuM suBULATUM, Hook. &j Am. ifi Bot. Beechey Voy. p. 313. t. 72. 

 Hab. Charles Island, Charles Darwin, Esq. Also found in Jamaica, Mexico and Columbia. 



33. A. FURCATUM, L. 



Hab. James Island, Charles Darwin, Esq. Found in all warm latitudes, and as far north 

 as in Madeira. 



34. A. MACRiEi, Hook. ^ Grev. Ic. Fil. t. 217. 

 Hab. James Island, Charles Darwin, Esq. 



Probably a very common West Indian species, of which, or its varieties^ 

 many others have been made. 



