352 
ST. HELENA. 
Acrostichum, Linn. 
882. *A. dimorphum, Hk. & Gr. — A small Fern growing 
amongst the grass along both sides of the central ridge, at alt. 4 to 
5 4, above Swampy Gut, &c. ; somewhat rare. Hk. and B. Syn. 
Fil. 1868, p. 406. 
883. *A. bifurcatum, Hk. ; Micro staplujla bi/urcata, J. Smith. — 
A very beautiful little Fern, thickly covering the wet banks along 
the sides of the roads over Sandy Bay ridge, &c. ; very abundant. 
Alt. about 4. Hk. and B. Syn. Fil. 1868, p. 413. 
884. *A. subdiaphanum, Hk. & Gr. ; A. lanceolatum, Roxb. ; 
Aconiopteris nervosa, Smith. — A pretty little Fern, with fronds 
about six to ten inches long, found somewhat rarely growing para- 
sitically on the stems of Dichonia arborescens on the high central 
ridge, Diana’s Peak, &c. Alt. 5 - 4. Seeds in June. Hk. & B. 
Syn. Fil. 1868, p. 416. — Hab. Also Bourbon. 
885. *A. conforme, Sw. — A Fern of somewhat rare occurrence, 
with habit and locality similar to A. subdiaphanum. Hk. & B. 
Syn. Fil. 1868, p. 401. — Hab. Also Mexico to Chili, Sandwich 
Islands, Cape of Good Hope, Tristan D’Acunha, &c. 
Asplenium, Linn. 
886. *A. erectum, Bory. ; A. tenellum, Smith and Roxb. ; A. recli- 
natum, Moore and Houlst. ; A. radicans, Prit. Cat. S. H. F. — A delicate 
little Fern, easily recognised by its habit of rooting from the ends 
of the fronds ; very common on the central ridge and in shady 
ravines lower down in the neighbourhood of Joho’s Hole, Powell’s 
Spring, &c. Grows at alts. 2 '8 to 5. Hk. & B. Syn. Fil. 1868, 
p. 202. — Hab. Also Cape of Good Hope, Tristan D’Acunha, Ascen- 
sion, and universally distributed throughout the Tropics. 
887. *A. furcatum, Thunb. ; A. preemorsmn, Sw. — Grows in 
rocky crevices, and on old walls at alts. 3 to 3 - 8, near St. Paul’s 
Church, Terrace Knoll, &c. Hk. &B. Syn. Fil. 1868, p. 215. — Hab. 
Also Tropical America, West Indies, Cape of Good Hope, Aus- 
tralia, &c. 
888. *A. compressnm, Sw. ; A. feecundum, Kunz. — A very hand- 
some Fern, found abundantly amongst the native vegetation on the 
high central ridge, growing in the wettest parts. The fronds are 
three to five feet in length, and are easily recognised by the young 
