310 Baker . — A Summary of the new Ferns 
broad, cut away on the lower side at the base, cut down to a 
narrow wing into oblong tertiary segments g-J in. broad. 
Veins pinnate in the tertiary segments, the lowest veinlet 
forked, the rest simple. Sori oblong, medial, often diplazioid. 
Japan, Wheeler. Habit of A. deltoideum , Presl. 
240 *. A. earyaefolium, Baker, n. sp. Fronds ample, firm, bipin- 
nate ; rachises scaly. Lower pinnae oblong-lanceolate, above 
a foot long, 4-5 in. broad, with many free lanceolate nearly 
entire pinnules |-§ in. broad. Veins usually forked. Sori 
linear, touching the midrib, not reaching the edge. New 
Granada, Kalhreyer , 985. Near A. nervosum , Mett. 
243 *. A. Doderleinii, Luers., in Engler Jahrb. 1883, 355. Liu-kiu 
Archipelago, Japan, Doderlein. Near A. veslitum , Presl. 
243 *. A. polypodioides, Mett. I place as a variety A. sikki- 
mense. Clarke, in Trans. Linn. Soc. ser. 2, Bot. I, 500, tab. 
65, fig. 1. Sikkim. 
249 . A. latifolium, D. Don. Beddome places under this variable 
species A. sueculentum, Clarke, in Trans. Linn. Soc. ser. 2, 
Bot. I, 502, tab. 64, fig. 4, and A. torrentium, Clarke, loc. 
cit. p. 500, tab. 64, fig. 3 (excl. fig. 2, which is typical lati- 
folium). A . maximum , Don, appears to be merely a form of the 
same species. 
249 *. A. travancoricum, Beddome, Ferns, Brit. Ind. 188, under 
Diplazium. Travancore Hills. Very large, with pinnae 2 ft. 
long. 
251 . A. arboreseens, Mett. Much fresh material has been received. 
It has been sent from the Usagura Mountains by Sir John Kirk, 
and from the Island of St. Thomas, off the Guinea coast, by 
Professor Henriquez, and it now seems the Madagascar 
A. madagaseariense and A. nemorale, Baker, in Journ. 
Linn. Soc. XV, 417, had better not be separated specifi- 
cally. 
253 *. A. amplissimum, Baker, n. sp. Frond ample, tripinnatifid, 
moderately firm, bright green, glabrous ; rachises brown- 
stramineous, naked, or sparsely fibrillose. Pinnae oblong-lan- 
ceolate, 1 — 1 \ ft. long. Pinnules lanceolate, lower shortly petioled, 
3-4 in. long, 1-1 J in. broad, cut down to a narrow wing 
into oblong-lanceolate crenate tertiary segments. Veinlets 6-7- 
jugate, mostly forked. Sori oblong, reaching from the midrib 
