45 8 Baker . — A Summary of the new Ferns 
35*. P. hemsleyanum, Baker, in Hemsl. Biol. Cent. Amer. Ill, 
66o, tab. 108. Guatemala, Salvin and Godman. 
39*. P. Willsii, Baker. Stipe 6-8 in. long, densely clothed in the 
lower half with squarrose linear- subulate paleae. Frond lan- 
ceolate-deltoid, tripinnatifid, 15-18 in. long, 8-9 in. broad, 
bright green, pilose on the ribs beneath. Pinnae lanceo- 
late, the lowest the largest ; pinnules lanceolate, the lowest 
only not adnate and deeply pinnatifid, with contiguous linear- 
oblong tertiary segments. Veins pinnate in the lowest tertiary 
segments. Rio Janeiro, sent to Kew alive by Mr. Justice Wills in 
1881. General habit of Nephr odium Filix-masvzv. elongatum. 
40*. P. leptophyllum, Baker, sp. n. Stipe a foot long, slender, 
brown, fragile. Frond subdeltoid, 4-pinnatifid, membranous, 
glabrous, 15-18 in. long, 9-10 in. broad. Pinnae oblong- 
deltoid, the three lower pairs petioled, 4-5 in. long, 2 in. broad ; 
pinnules oblong-deltoid, petioled ; tertiary segments oblong- 
deltoid, unequal-sided, deeply pinnatifid, with oblong lobes. 
Veins pinnate in the quaternary segments; veinlets simple, 
ascending. Sori crowded, globose, costal. Japan, Hancock , 
15. Near P. unidentatum and Oldhami. 
41*. P. hirtum, Presl. Reliq. Haenk. I, 27 (1830), non Hook. Stipe 
not seen complete. Frond deltoid, decompound, a foot long, 
moderately firm, glabrous ; rachises clothed with copious 
adpressed linear brown paleae; lower pinnae the largest, 
deltoid, produced on the lower side ; central oblong-lanceolate ; 
final segments oblong, entire, in. broad ; veinlets pauci- 
jugate, erecto-patent. Sori medial. Philippines, Haenke . 
Final segments like those of the glabrous forms of Nephrodium 
villosum. The name antedates P. hirtum , Hook., our No. 99. 
42*. P. Davidi, Franch. PI. David. II, 157. Moupine, Tibet, David. 
Near the European P. alpestre . 
43*. P. laserpitiifolimn, Scortech. ; Beddome, in Journ. Bot. 1887, 
324. Perak, Scortechini. Habit of the most compound forms 
of Nephrodium spar sum. 
43*. P. alcicorne, Baker, in Journ. Bot. 1888, 229. West China; 
Mount Omei, alt. 3000 ft., Faber. Habit of Aspidium multi- 
fidum , Mett. ; Baker, in Hook. Ic,, tab. 1067. 
43*. P. Gordoni, Baker, in Journ. Bot. 1879, 297. Fiji Islands, 
Horne. Habit and texture of Nephrodium boryanum . 
