Observations on the Flora of Japan. 



(Continued from p. 75.) 



By 

 T. Makino. 



Cerastium (Strephodon, Becticapsulares) oxalidiflorum Makino ep. 



nov. 



Perennial, csespitose ; the flowering stem attaining about 36 cm. in 

 height, the numerous sterile stems much shorter than the flowering stem. 

 Rhizome ramose, creeping, rooting. Stems slender, ascending, often geni- 

 culate below, terete, foliate throughout, pubscent with ascending hairs but 

 glanduloso-pubescent above, turged at nodes, viridescent ; internodes attain- 

 ing about 9 cm. or sometimes 13 cm. in length. Leaves opposite, erecto- 

 patent or spreading, lanceolate, but subspathulate in the inferior ones, 

 acuminate or acute, gradually attenuated towards the sessile or subpetiolated 

 bases, entire and ciliated, thinly pubescent with adpressed hairs on both 

 surfaces, subflaccidly herbaceo-membranaceous, green above, paler beneath, 

 attaining about 8 cm. long, 18 mm. wide, shorter or longer than internodes ; 

 midrib prominent beneath ; veins inconspicuous superfially, loose, ascendingly 

 erect-patent. Dichasium subnumerous-flmvered, twice to thrice divided, 

 extending about 4-9 cm. in flower, glanduloso-pubescent with patent hairs; 

 branches erect-patent, the first lateral branches attaining about 3J mm. 

 in length in flower but attaining about 7 cm., sometimes 11cm., in 

 fruit ; bracts small, subulate, acuminate or acute, but minute and ovato- 

 oblong with an obtuse apex in the superior ones, glanduloso-ciliated, herb- 

 aceous," green ; the first pair larger than the rest and 4-8 mm. long but 

 occasionally foliaceous. Flower pedicellate, large, 15-19 mm. across, white; 

 pedicel 9-25 mm. long in flower but attaining about 5 cm. long in fruit. 

 Calyx erect, campanulate, minutely glanduloso-pubhcent with patent hairs 

 externally, light green ; sepals 5, ovato-lanceolate and glanduloso-ciliated- 

 margined, but oblong-elliptical and hyalino-margined in the inner ones, 

 obtuse, herbaceo-membranaceous, 5^-6 mm. long, 2-3 mm. broad, 3-nerved, 

 the outer narves ramose from the base. Petals 5, about 2|-nearly 3-times 

 as long as the sepals, patulose above, snbspathulato-oblong, angustato-cuneate- 



