42 



Sakamoto in Hoi-gori {G. Nagura ! May 1, 1897) ; Prov. Musashi : Hori- 

 nouchi {T. Mahino\ June 3, 1888), Sentagaya {T. 3IaJdno\Meij 27, 

 1899), Shibuya (T. Malcinol June 5, 1899); Loochoo : Shuri in Isl. Oki- 

 nawa {H. Kuroiwa ! 1896), Kunchan (//. Kurohoa ! May 1897). 

 A common species, widely distributed over Japan. 



Galium setuliflorum (A. Gray) Makino (sensu latiore). 



Perennial, 1|-8J decim. high. Stems casspitose, erect or ascending, 

 slender, simple or loosely ramose, tetragonous, smooth even on the angles, 

 rarely patently pilose, pilose at the nodes, internodes slender. Leaves all 4- 

 verticillate and the two smaller, patent or reflexed, lanceolate or angustato- 

 laneeolate, or sometimes linear-oblong, acute or acuminato-acute at the apex, 

 acute at the base, subsessile or very shortly petiolate, antrorsely piloso-ciliated, 

 subpatent-antrorsely pilose on the midrib beneath, very thinly pilose towards 

 the margin above, often subtriplinerved at the base, the largest one about 

 28 mm. long and 7 mm. wide, the basal ones ovate or orbiculato-ovate 

 and cons{)icuously petiolate. Cymes terminal and lateral, with gracile 

 and usually trichotomous peduncles, often forming together a loose panicle ; 

 l)racts linear or linear-lanceolate ; bracteoles often minute. Flowers 

 small, pedicellate, 2^-3 mm. across, usually purplish ; pedicels di-or trichoto- 

 mously arranged, erect-patent, gracile, filiform, usually glabrous, 2-9 times 

 of the fruits in length. Corolla 4-parted, refiesed-patent ; lobes ovate 

 or elliptical-ovate, acute and with a beak at the apex (the beak obtuse at 

 the end), glabrous or setuloso-hirsute with stiff long and persistent hairs 

 externally. Stamens 4, short ; filament filiform, glabrous ; anther rounded. 

 Styles 2, connate one-half below ; stigma capitate. Fruits IJ mm. 

 long, densely squamuloso-pilose with subuncinate ascending short hairs. 

 Flowers May. 



This species grows on mountains or wooded hills. It is to be distin- 

 guished into two varieties as following, viz. 



a. setuliflorum (A. Gray) Makino. 



Galium tracliyspermum var setuliflorum A. Gray Bot. Jap. (1859) p. 

 393; Miq. Prol. Fl. .Jap. p. 276. 



Galium pogonantlium Franch. et Sav. Enum. PI. Jap. I. (1875) p. 

 213, et II. p. 393. 



Galium gracile Maxim, in Mel. Biol. IX. p. 261, et XI. p. 802, pro parte. 



Corolla-lobes setuloso-hirsute externallv. 



