CATALOGUE OE TERN'S. 
59 
Lastrea recurva, Newm. Lastrea concava, Newm. — Eu- 
rope and Madeira. 
28. la. dilatata, Bresl ; Lindl. and Moore's Brit . Ferns , t. 22. 
Aspidium dilatatum, Sm. ; Fng. Bot. t. 1460. Var. tana- 
cetifolia, T. Moore . Aspidium spinulosum, Schlc. Fit. t. 
47. Aspidium erosum, Schlc. Fit. t. 45. Var. glandulosa, 
T. Moore ; Lindl. and Moore’s Brit. Ferns , t. 23. Var. 
dumetorum, T. Moore ; Lindl. and Moore's Brit. Ferns , 
t. 25. Aspidium dumetorum, Sm. Var. collina, T. 
Moore ; Lindl. and Moore's Brit. Ferns , t. 26. — Europe, 
North America, and North-East Asia. 
29. It- atro-virens, J. Sm . — Vernation erect, csespitose. Fronds 
stipitate, deltoid-lanceolate, bipinnate, 10-15 inches high ; 
pinnae lanceolate -acuminate, pinnate below, pinnatifid- 
decurrent above ; pinnules oblique- deltoid, sessile, lobed, 
serrate, serratures mucronate ; rachis pilose ; the chief 
pinnules bearing five to six sori. (Allied to L. glabella 
and hirta.) — Native country unknown. 
30. L. glabella, J. Sm. Nephrodium glabellum, A. Cunn. — 
New Zealand. 
31. la. hirta, Bresl. Aspidium hirtum, Sw. ; Schlc. Fit. t. 46. 
— Jamaica. 
32. la. villosa, Bresl. Polypodium villosum, Sw. ; Blum. Fil. 
t. 27. Aspidium villosum, Sw. ; Schlc. Fil. t. 46. — West 
Indies. 
84. POLYSTICHUM, Both , in part; Schott; Bresl. 
(Aspidii sp., Sw.) 
Vernation fasciculate and erect, or uniserial and subsarmentose. 
Fronds pinnate, bi-tripinnate, or decompound ; pinnae and pinnules 
auriculated and lobed, dentate, rigid, spinulose, mucronate. 
Veins simply or pinnately forked ; venules free, the lower exte- 
rior branch or more (of each fascicle) sporangiferous on or gene- 
rally below its apex. Sori round. Indusium orbicular or subre- 
niform. 
