1903. j 51 



Observations on the Flora of Japan. 



{Continued from p, 50.) 



By 



T. Makino, 



Assistant in the Botanical Institute, Science 

 College, Imperial Univtrsify of Tokyo. 



Polygonatum nipponicum Makino, sp. nov. 



Glabrous throughout, the size of P. officinale All. Stem curved, 

 terete, but subsulcate ia foliate portion. Leaves alternate, elliptical or 

 oblong-elliptical, obtuse, subsessile, green above, glaucous beneath, thin 

 when dried, about 9-12 cm. long, 4-6-1 cm. broad ; main nerves 5 ; veinlets 

 numerous, forming rectangular spaces between them by their transverse venules. 

 Peduncle 1 to each leaf-axil, cernuous, about 1 J-2 cm. long, involucrate at 

 the end, umbellately 2-5-flowered. Involucres 4-5, perianth-like, cam- 

 panulate, slightly reflexed at the apex, lanceolate, shortly acuminate, entire, 

 thinly membranaceous towards the margin, 1 or sub-3-nerved, green, about 

 1 J cm. long. Flowers pedicellate, the buds included within the involucres. 



Hah, Prov. Iwashiro (K. Nemoto !). 



Rare. This species is characterized by its perianth-like involucres. 



Eritrichium (Eueritrichium) nipponicum Makino, sp. nov. 



Myosotis sp. herb. Sc Coll. Imp. Univ. Tokyo, et Cat. Herb. Coll. 

 Sc. Imp. Univ. Tokyo, (1886) Suppl. p. 284. 



Perennial, densely csespitose, with about 4-10 stems, hirsute-subcanescent 

 with adpressed not-hooked white hairs. Tap-root perpendicular, stout, 

 nigrescent. Leaves hnear or lato-linear, obtuse, attaining about 5 cm. 

 long, 6ram. wide ; cauline ones smaller, alternate, 6-25 mm. long, hairiness 

 as are the radical ones and hairs all adpressed. Stems erect or ascending 

 or diftusely ascending, 5-8 cm. long including the cyme in flower, gracile. 

 Cyme corymbose, about 5-11-flowered, 1-2^ cm. across ; rachises 2- 

 3, not long, each subtended by a leafy bract ; bracteloes few to each 

 rachis, small, shorter than the pedicel, linear, obtuse. Flowers 6-7 mm. 

 across, cseruleous ; pedicels erect or erect-patent, lJ-2 as long as the 

 calyx, 3|-4i mm. long, adpressed-pubescent-hirsute. Calyx very deeply 



