OKDEU HO. FI LICKS. 425 



3 A. TKAPKZIOFUUME. Frond ample, decompound, glabrous, 2f; segments light green, 

 large (12 18" x 6 10"). trapezoidal, some of them fan-shaped ; aori .Umulate on 2 o" 

 the 4 margins ; stipe jet-black. Superb ! Jamaica (Rev. S. B, Wilson). 



<t A. SANCTA-KATRINA, has large obliquely fan-shaped segments cut-lobed and toothed, 

 with the veins uncommonly distinct. Cultivated in Bridgmau's Garden, Astor"*!. 



5 A. Capillus-Veiicris L. Delicate, bright green, 6 IS', smooth, thrice pinnate at 

 base: segments round-cnneate, lobed, or the sterile toothed; sori reniform, one on 

 each lobe ; stipe and branches capillary. Lime-rocks, S. : rare. Eur. Cultivated. 



B A. CUNEATUM. Very delicate, If, 4 times pinnate at base, bright green; segm. very 

 numerous, sharply cuneate, 2-4-cut-lobed, 4 fi" ; sod ronnd-reniform. Brazil. 



7 A. ^TUIOPICUM, TINCTUM and CALLCPODES, are greenhouse species or varieties, with 



roundish segments more or less oblique and lobed, 47", with rounded sori, (5 12'. 



8 A. ALATUM, has the rachis narrowly winged, segm. sessile, obovate-long-wedge-shaped 



at base, coarsely toothed at apex. (Greenhouse of Bridgman & Wiegand.) 



A. MACROPHYLLUM. Stipe jet-black, simple, bearing about 3 pairs of large, opposite, 



thick leaflets, and an odd one ; leaflets triang. -hastate, oblique ; sori linear. Jamaica. 



22. DICKSONIA, L'JJer. DICKSOX ? S FERN. Sori marginal, round- 

 ish, distinct, terminating a vein. Indusium double, the proper one cup- 

 ehaped, opening outward, the other formed of a reflected lobule of the 

 margin, and opening inward. 



1 D. pilosiuscnla Willd. Frond bipinnate, lanceolate, 2 3f, with minnt* glanda- 



lar hairs ; pn. sessile, lanceolate ; segm. finely pinnatifid, lobes toothed, each with a 

 minute round sorus. Rocky pastures. Stipe yellowish. 



2 D. (BALANTIUM) ANTARCTICA. A beautiful tree-fern from New Zealand, 3 20f, 



crowned with many long, heavy, dark-green, tripinnate fronds ; pn. and pnl. sessile; 

 segm. oval, G-crenate ; sori globular, with 2 distinct valves. (Buchanan's Conserv.) 



23. DAVALLIA, Smith. Sori globous, marginal, on the end of a 

 vein, in a goblet or pyxis, half of which is formed by the scarious indusium 

 opening outward. Root-stock creeping above ground, chaffy. 



1 D. TEN T UIFOLIA. Fronds delicate, G 10', tripinnate with few pinnae, triangular-lan- 



ceolate ; rachis narrowly winged ; segments spatulate, toothed. China. 



2 D. CANARIKNSIS. Hare's-foot. Fronds 3-parted, decompound, ultimate segments el- 



liptical, decurrent, bearing 1 pyxis. 1 2f. Canaries. 



3 . IMSSCCTA, is very different, irregularly pinnatifid, or almost entire. 



24. WOODWARDIA, Sm. Sori straight, linear-oblong, on transverse 

 vcinulets, parallel to the mid-vein, in 2 rows. Indusium from the same 

 veinulet, opening inwardly. 



LORINSERIA. Fronds of 2 forms, net-veined throughout No. 1 



AXCHISTEA. Fronds all similar, netted only close to mid-vein Nos. 2, 3 



1 \V. aiigustifolia Sm. Fertile fronds pinnate, with distant linear pinnie covered 



with the fruit beneath; sterile lance-oblong in outline, deeply pinnatifid; segm. ob- 

 long, 2 3f. Resembles Onoclea. Mass. (Dr. S. Bowles), and S. 



2 W. Yirgiiiica Sm. Fronds glabrous, lanceolate, pinnate; pinnre remote, pinna- 



Jili. I, lance-linear; segments oblong, obtnse, 2 3f. Swamps, E. and S. 



3 \V, JAPOMCA. Rachis chafty : frond triangular, as broad as long; piniue lanceolate, 



pinnatifid, with ovate segment.-. Bright green. 1 2f. 



25. DOODIA ASPEUA. Fronds rough, lanceolate, pinnate, If, in clumps, 

 the caudex a few inches above ground. Pinnie oblong-linear, contiguous, with spines- 

 rent teeth. Sori in 1 or 2 rows each side. . CAUDATA has linear-lanceolate, pinhato 

 fronds, with remote serrato segmefs, the terminal one elongated. Bo h from Australia. 



