50 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 \-\ 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. caryaefolium, 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 $-f in. broad. Veins usually forked. Sori 

 linear, touching the midrib, not reaching the edge. New 

 Granada, Kalbreyer, 985. Near A. nervosum, Mett. 



243*. A. Doderleinii, Luers., in Engler Jahrb. 1883, 355. Liu-kiu 

 Archipelago, Japan, Doderlein. Near A. vestitum, 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. i. Sikkim. 



249. A. latifolium, D. Don. Beddome places under this variable 

 species A. succulentum, 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 latz- 

 foh'um). 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. arborescens, 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. madagascarienso 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, i -i \ ft. long. Pinnules lanceolate, lower shortly petioled, 

 3-4 in. long, i-i| 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 



