NEPllKODIUM, § I.ASTllEA. 85 



more or less squamulose, stipites scattered 3 inches to a span 

 long jointed above or below the nnddle, fronds 5-12 inches 

 long ovato-lanceokite pinnate submenibranaceous more or 

 less hirsutulous, pinnte truncated at the base sessile oblong- 

 lanceolate scarcely acute uniformly and about halfway down to 

 the rachis piiniatifid, lobes ovato-oblong obtuse entire with 

 marginal white dots above, sori reniform hairy. — a. Borbo- 

 nicuin ; caudex scandent very scaly, stipes jointed below the 

 middle. — Nephrodium albo-])unctatum, Desv. Mem. Soc. Linn. 

 \'\. jy. 255. Hook. F'd. Exot. under t. 89. Lastrea, Pr. Aspid. 

 (Lastrea) Boutonianum, Hook. Ic. Plant, t. iJ31. — ^. Nigri- 

 tianuiii; caudex nearly naked blackish, sti]3es jointed below 

 the aj)ex. Hook. Fil. Exot. t. 89. Aspidiuni Icucostictum, 

 Kze. in Linmea, xxiii. p. 310. Met ten. Fil. Hart. Lips. p. 90. 

 t. 18. f. 4-6. Arthro])teris albo-punctata, J. Sm. Cat. Cult. 

 Ferns, p. 6. — j.F/Jiantan; caudex creeping very black fili- 

 form scaleless, stipes jointed below the middle but distant 

 from the base. Hook. Exot. Fil. under t. 89. Lastrea arti- 

 culata, Brack, in Fil. U. S. Expl. Exp. p. 191. t. 20. f. 1. 



Hab. Var. a. Bourbon and Mauritius, frequent. ^. Tropical Africa: West 

 Coast, Sierra Leone, anrl ascent of tbe Quorra, Barter ; Fernando Po, Gustav 

 Maun. y. Feejee and adjacent islands, Brackenridge, Milne, Seemann. — The 

 above are trifling variations of one and the same species. 



41. N. (Lastrea) Webbianum, Hook.; caudex very long 

 creeping filiform tomentose rather than scaly, stipites distant, 

 fronds 2-4 inches long jointed Tiear the middle, fronds 

 6-9 inches long glabrous broad-oblong acuminate pin- 

 nated, pinnae alternate horizontal from an obliquely cu- 

 neate base with a superior auricle oblong-lanceolate obtuse 

 lobato-pinnatifid at the margin, the apex entire dotted with 

 white above, sori in a single series between the margin and 

 the costa, involucres ? 



Hal). Amboyna {P. B. Webb, Esq.. I believe, collected by Labillardiere). — 

 The glabrous fronds, the shallow lobes of the pinnae, and the very distinct auricle, 

 together with the single range of sori on the disk between the margin and the 

 costa, are the characteristics of this species. 



42. N. (Lastrea) suhbiaurituni, Hook. ; stipes jointed?, 

 frond 14 inches long lanceolate acuminate pubescent espe- 

 cially Ijcneath subniembranaceous pinnate, pinnae numerous 

 opposite horizontally patent from a truncated sessile base 

 oblong-lanceolate acuminate crenato-serrated at the margin 

 with an auricle al)ove and below, bearing white dots on the 

 upper side, sori scattered not extending to the lobes or teeth, 

 involucres very small cordate. 



