'60 



column, calcarate, about 4 mm. long including the calcar ; limb 3-lobed, 

 about 2 mm. long ; midlobe ample, emarginato-reniform, rounded on both 

 sides, scarcely subcrenulate on margin, vertically carinate dorsally, membrana- 

 ceous, about 1| mm. long, 3 ram. broad; lateral lobes much smaller, erect, 

 subovate, entire, duplicate to the basal part of the midlobe at the apex ; 

 disk thick, ovato-deltoid, pubescent or nearly so ; calcar straight, parallel 

 to the ovary, cylindrical, obtuse, equal to the limb and nearly equal to 

 the perianth in length, membranaceous, smooth and naked internally, with 

 a few and very loose veins. Column short, stout, erect, dorso-ventrally 

 compressed; clinandrium obliquely truncate, subdeltoid, pyramidally convex 

 in centre ; rostellum distinctly projected, bifid ; stigma rounded. Anther 

 thinly membranaceous, slightly depressed, hardly 2-lobed on face, broadly 

 produced in front, glabrous. Pollinia 2, in pair, ovoid, about § mm. long; 

 caudicle lato-linear-subulate, thin, longer than pollinia, about | mm. long ; 

 retinaculum sagittate. Ovary clavato-filiform, about 3-4 mm. long including 

 the pedicel. Capsule oblong, about 9 mm. long, pedicellate. 



Nom. Jap. Momi-ran (T. Yoshinaga). 



Eah. Prov, Tosa : Mt. Yanaze {Torama YosJiinagal Oct. 1904). 



A rare species. It was found on branches of some species of Quer- 

 cus among Abies forest. It is nearly allied to Saccolabium Matsiiran 

 Makino (in Bot. Mag., Tokyo, XVI. 1902, p. 12), which differs in the 

 forms of leaves and labellum. 3Iomi-ran means '' Abies Orchid." The 

 specific name is in honour of Mr. Torama Yoshinaga. 



Potamogeton lucens Linn. var. teganumensis Makino var. nov. 



Stem attaining about 2 m. or more in length, many-branched ; branches 

 more slender, l-l| mm. across. Leaves smaller, oblong to oblong-lanceolate, 

 obtuse or acute with a cuspidate point at the apex, acute or subobtuse at 

 the base, 3-nerved on each side often with a few accessory nerves, serrulate 

 on margin, translucent, about 4-14 cm. long, 1|-2| cm. broad; petiole 

 2-5 mm. long; stipule 1^-4 cm. long. Peduncle about 8 cm. long, 3 mm. 

 in diameter. Spike smaller, about 4^ cm. long and 5-6 mm. across in 

 fruit. Flower smaller, about 4 mm. across. Perianth-lobes about 1§ mm. 

 long. Achene smaller, about 2 mm. long exclusive of the short beak. 



Nom. Jap. Gasha-moku, Ghahhara-moku. 



Hob. Prov. Shimoosa : Lake Teganuma {K. Yamadzuta ! Aug. 1904, 

 Aug; 1905 ; H. Nakano ! Aug. 1905). 



