MAY 1910.] 



MAKINO.—OESERV, ON THE FLORA OF JAPAN. 



105 



the middle one (midrib) stronger and distinct, with many 

 fine striae between the nerves ; transverse veinlets distinct and 

 very loose, often 

 oblique ; sheath 



very long and nar- 

 row, about 5-17 

 cm. long, the edges 

 angustate, stipuli- 

 form, entire, mem- 

 branaceous, sub- 

 transparent, pale- 

 griseous, rounded- 

 o b t u s o - auriculate 

 at the upper end. 

 Spathe solitary, 1- 

 3 to a branch of 

 the rhizome, pedun- 

 cled, elongate and 

 foliiform above; 

 the dilated portion 

 broadly linear, at- 

 tenuated on both 

 ends, arcuate ven- 

 trally, glabrous, 

 thin, green and 

 trinerved with very 



loose transverse veinlets dorsally, about 3— 5Jcm. long; edges 

 membranaceous, entire-margined, pale-griseous ; peduncle angns- 

 tato-linear, compressed, about 1— 7Jcm. long. Spadix enclosed 

 within the spathe and slightly shorter than it, flattened, 

 linear, acuminate, somewhat attenuated at the base, about 4— 

 5mm. broad, 3-nerved, the lateral nerves intramarginal and 

 inconspicuous ; bracts intramarginal, falcately linear-lanceolate 

 or ovato-lanceolate, acute or acuminate, incumbent-adpressed, 

 2-serial, alternately arranged, closed over the genitals, thin, 1— 

 nerved, scarcely minutely spinulose on margins, 10— 14mm. long. 

 Flowers dioecious. Male flower : anthers closely and obliquely 





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