﻿84 BOTANICAL MAGAZINE. [Vo i. xx, 



numerous, slender, terete, weak, glabrous, smooth, often more or less genic- 

 ulate at nodes ; internodes elongate, longer than sheaths ; nodes some- 

 what contracted, brown when dry. Panicle erect, shorter than the culm, 

 about 4-14 cm. long, pyramidal, very loose, effuse; rachis slender, often 

 scabrous above ; branches binate but sometimes simple in the superior ones, 

 patent or somewhat reflexed, capillary, subscabrous, loosely ramose into few 

 to several pedicels above, but the superior ones usually simple, green. 

 Spikelets very laxly disposed, long-pedicellate, 5 mm. long, viridescent, gla- 

 brous, 3-flowered (but the upper flower incomplete), not aristate ; rachilla 

 short, subscabrous below ; pedicels capillary, spinuloso-scabrous or subscabrous, 

 longer or much so than the spikelets, green, clavato-incrassate at the top. 

 Empty glumes 2, approximate, ovato-lanceolate, obtuse, thinly membrana- 

 ceous, hyaline towards the entire margin and. viridescent towards the 

 centre, rounded in back; the lower one -J as long as the upper one, 1- 

 nerved ; the upper one 2-2 J mm. long, sub-3-nervecl. Flower narrowly 

 lanceolate, acuminate, 3|-4mm. long. Flowering glume ovate, subacute, 

 boat-shaped with a rounded back, hyaline towards the margin, sub-5-nerv- 

 ed (the 3-nerves stronger). Palea scarcely shorter than the flowering glume, 

 lanceolate, bifid with acute lobes and a close sinus, 2-carinate, thinly mem- 

 branaceous, without any vein between carinas which are green and scabrous 

 above. Lodicules 2, subulato-ovate. Stamens 3 ; filament filiform ; anther 

 linear-oblong, bifid on both ends, about If mm. long, yellow. Ovary linear- 

 obovate, pubescent towards the top ; styles 2, plumose. Grain included, 

 angustato-oblong, pubescent at the top, about 2§ mm. long. 



Nom. Jap. Yama-toboshigara (T. Makino), Kogome-nukabo (H. Takeda). 



Hah. Prov. Tosa : Okunanokawa (K. Walanabel May 20, 1888); 

 Prov. Hida : Takayama (S. Matsuda ! 1896 ?) ; Prov. Shdiotsuke : Near 

 Sandyu-no-yamanokami in Nikko (J. Matsumura and Y. Yabe ! June 12, 

 1901); Takinoo and Hotokeiwa in Nikko (K Takeda \ June 27, 1905). 



Diplazium Okudairai Makino sp. nov. 



Khizome repent. Stipe loosely placed on the rhizome, long and slender, 

 shorter than the frond, about 19-21 cm. long, very thinly scaly above, nigro- 

 castaneous and more densely scaly towards the base; scales subulato-lanceolate 

 or narrowly subulato-lanceolate, acuminate, entire, very closely areolate, fusco- 

 castaneous, attaining about 5 mm. long. Frond lato-lanceokte or ovato- 

 lanceolate, acuminate, truncate at the base, about 25-29 cm. long, 14-16 cm. 



