
i Lower pinne sessile or slightly adnate to the rachis, upper ones quite adnate,...... ァ adnatu Bedd. 
9 Lower pinnee distinctly petiolulate, upper ones 8e881le . . Tis ere bee アア euphlebia Mett. 
1. Plagiogyria Matsumurecana Makino. | 
Lomaria Matsumureana Makino in Bot. Mag., Tokyo Bot. Soc. VIII. no. 84, p. 90. 
Caudex short, robust. Fronds dimorphous. Stipes fasciculate, rather stout, naked, 7-10 cm. long, but 
those of fertile ones longer, the base triquetrous, dilated, subcarnose, and furnished with a few minute glands, 
Sterile fronds pinnatipartite almost to the rachis, oblong-lanceolate, 30-50 cm. long, 10-17 cm. broad ; seg- 
ments numerous, approximate, hoviconealiy patent, linear-lanceolate, acuminate, acutely duplicato-serrate, mem- 
branaceous; middle segments the largest, 5-8 c.m. long, 7-14 m.m. broad. Veins forked, erect-patent ; 
venules free, fine, sometimes forked, Hertils fronds pinnate, lanceolate ; pinne distant, mostly alternate, patent, 
contracted into elongated narrow-linear with acutely obtuse apex, the base dilated and adnate to the rachis. 
Sori linear. Indusium narrow, membranaceous. 
Jap. name.— Yamasotetsu. ヤマ ツテ デ テッ 
SmrNANo: Mt. Komagadake; SuimorsukE: Mt. Nikko; TwAsmrRo: Aidu: Uzen: Hondozi, Mt. Roku- 
zyurigoe; Ecuizen: Mt. Tochikitoge (Herb. Imp. Univ.); Hcuico: Mt. Shimidutoge (Herb. Imp. Univ.; 
7', Makino). TosA; Mt. Tebako (7, Makino). 
2, Plagiogyria admata Bedd. Ferns of British India t. 51; Kuhn in Ann. Mus. Bot, Lugd.-Bat. IV. 
° 
(333) 



Three Japanese Plagiogyriz. 

