6a 



with minute spines on the upper surface, pale-castaneous when dry ; the main 

 rachis slender, narrowly canaliculate in front, with patent and persistent, 

 narrow-linear scales ; the second rachis slender, loosely dispersed with subulate- 

 linear scales ; pinnge spreading, alternate, shortly petioled, deltoid-lanceolate,, 

 but oblong-lanceolate in the superior, falcate, narrowly acuminate, lowest 

 ones largest and 14-20 cm long, 8-11 J cm wide, the lower half the broadest ; 

 pinnules patent, more or less loosely arranged, oblong-lanceolate, mostly 

 sessile, very shortly petiolulate in lower ones, mostly obtuse at the apex, 

 truncato-cuneate at the base, lower ones of the inferior pinnae pinnatisected 

 in the lower portion, while the rest are deeply or shallowly pinnatind ; 

 segments erect-patent, or spreading, oblong, obtuse, obscurely ere n ate, or 

 entire, lower ones usually pinnatifid into a few lobes, the largest ones 2 cm 

 long, 1 cm broad ; veinlets simple, loose, bifurcate, or pinnate with a few 

 venules. Sori in 2 rows near the costa of pinnules and the well developed 

 segments, mostly one or more to each segment, loosely arranged, each dorsal 

 on a veinlet ; indusium deciduous. 



Aspidium shikokianum Makino Notes on Jap. Plants, XV. in Bot. 

 Mag., Tokyo, VI. 1892, p. 46. 



Nom. Jap. Honokawa-shida (T. Makino). 



Eab. Prov. Tosa in Shikoku Island : Mt. Honokawa-yama (T. Makino \ 

 Aug. 10, 1887), Mt. Imano-yama (T. Mahino\ Aug. 7, 1889). 



In general habit, this species resembles Nephrodium squamisetum Hook.,. 

 an African Fern. 



Nephrodium (Lastrea) Matsumurae Makino nom. now 

 Caudex stout, short, repent, densely rooting. Stipes tufted, long, 

 shorter than the frond, 22-38 cm long, ferruginous-brown, densely clothed with 

 patent or more or less reflexed persistent scales throughout ; scales ovate- 

 lanceolate to lanceolate, acuminate, entire, with very fine narrow-oblong 

 areolae, white below and light brown above, but entirely brown when dried, 

 the largest one about 15 mm long, 5 mm broad. Frond ample, deltoid,, 

 or narrowly deltoid, or ovate, acuminate, tripinnatisected, or quadripin- 

 natifid, thinly and firmly herbaceous, sparingly pilose on both surfaces, light 

 green, but olivaceous-brown or ferruginous-olivaceous when dried, the largest 

 one about 60 cm long ; main rachis slender, ferruginous-stramineous, rather 

 densely covered with linear to lanceolate patent persistent scales, but hairy 

 above ; pinnre spreading, alternate, 10-12 on each side, oblong-lanceolate, 

 acuminate, truncate or subtruncate at the base, shortly petioled, the largest one 

 25 cm long, 9 cm broad, rachis slender, hairy throughout, and paleaceous- scaly 



