[Vol.XVlI, 



Observations on the Flora of Japan. 



{Continued from vol. XVI. p. 216.) 

 By 

 T. Makino, 



Asshtant in the Botanical Institute, Science 

 College, Imperial Univei'sity of Tokyo. 



Burmannia japonica Maxim, in lltt. ; Makino Illustr. Fl. Jap. I. 

 n. 7, (1891) p. 4; Ito Mem. Work Bot. a. Zool. I. (1893) p. 14. 



Burmannia sp. Makino ]. c. I. n. 6, (1890) p. 1, tab. 3.5. 



Burmannia capitata Makino in Bot. Mag., Tokyo, TV. (1890) p. 23 ; 

 Matsnm. Sliokubutsu Mei-i, (189.5) p. 55, non Linn. 



Perennial, aphyllous, glabrous, white, l|-8cm. in height. Khizome 

 subterranean, tuberous, short, elliptical or oblong, 'perpendicular or oblique or 

 sometimes horizontal, 4- 10 mm. long, 3-4mm. across, white, furnished with 

 librous roots, dispersed Y\'ith minute subulato- deltoid membranaceous scales 

 above. Stem erect, rather stout, terete, smooth, attaining about Ijmm. 

 in diameter, loosely scaly ; scales subulato-lanceolate or subulato-ovate, acu- 

 minate or acute, entire, diaphano-membranaceous, 1-nerved, often adpressed 

 to the stem, attaining about 6 mm. long, the lower ones subulato-deltoid, 

 the basal ones more or less imbricated. Cyme terminal, 2-10-flowered, 

 verticillato-subcapitate, 5-16 mm. across, the rachis extremely shortly 

 dichotomous ; bracts several, unequal in size, shorter than the flowers, 

 broadly lanceolate but smaller and angustato-lanceolate in the superior 

 ones, acuminate, diaphano-membranaceous, obscurely 1-nerved. Flowers 

 white but brownish yellow^in the perianth-lobes, very shortly pedicellate, 

 6-8 mm. long ; perianth tubular, trigonous with very narrowly alate edges ; 

 perianth-lobes about i as long as the tube, erect-patent, the outer ones 

 deltoid-ovate or broadly ovate, with inflexed margins, acutish-obtuse, 

 thicklsh, the inner ones much smaller and shorter than the outer, spathulato- 

 oblong, rounded or retuse at the apex, convex internally. Stamens 

 included, minute, inserted under the throat of the perianth -tube, opposite 

 to the inner lobes of the perianth ; the filament thick and very short ; the 



