170 



superior, imbricately scaly at the base of the common rachis. Male flowers 

 very shortly pedicellate. Sepals 4, membranaceous, concave, ciliated on 

 margin ; 2 outer ones broadly ovate ; 2 inner ones larger than the outer 

 ones, orbicular, concave, 2J mm. in each way. Eudimentary ovary included, 

 short, one-third as long as the inner sepals, capitately enlarged and 4-lobed 

 at the top. Stamens 4, much exserted; filament stout; anther narrowly 

 ovate, one-fourth as long as the filament. Capsule ovoid, smooth, hard, 

 about 1 cm. long, with persistent styles which are suberect and a little in- 

 clined outwards, loculicidally dehiscing into 3 carpels each bearing 2 of the 

 half style and then the endocarp separating from the epicarp. Seed 

 oblong, black, shining. 



Hab, Loochoo : Mountain of Kuzi-magiri in Isl. Okinawa ( Y, Tasliiro ! 

 herb. Sc. Coll. Imp. Univ. Tokyo, March 1887), Shuri in Ibid. (H. Kuro- 

 iiua ! Nov. 1894), Shika-mura in Isl. Ishigaki (JH, Kuroiiva ! Aug. 9, 1892, 

 no. 25). 



This is distinguished principally by the size of leaves and flowers. 

 The rudimentary ovary well accords with the typical one of Buxus semper- 

 virens Linn. ; but it differs from that of B. sempervirens var. japonica 

 (Muell. Arg.) Makino. 



Aster trinervius Roxb. var. congest us Franch et Sav. forma 

 tubulosus Makino. 



Corolla of the ray-flowers augustate- tubular, often bilabiato-lobed at 

 the mouth, the lower lobes ovate to ovato-lanceolate, the upper lobe linear 

 and shorter than the lower one, lilac-coloured. Involucral bracts tinged 

 with purple colour. 



Hab. Prov. Musashi : Tokyo, Bot. Gard. Koishikawa, cult. (T. Makino ! 

 Nov. 28, 1893). 



Aster trinervius Roxb. var. microcephalus (Miq.) Makino. 



Stoloniferous. Stem erect, terete, densely fa stigi ate- ramose above. 

 Leaves linear, acuminate, remotely mucronato-dentate, subtriplinerved. 

 Pedicels slender : bracts linear. Involucral bracts like those of Aster 

 trinervius Roxb. var. congestus Franch et Sav., but somewhat smaller and 

 narrower, tinged with purple colour above. Corolla of the ray- flower also 

 similar to those of A. trinervius Roxb. var, congestus Fr. et Sav. 



Calimeris microcepliala Miq. Prol. Fl. Jap. p. 101. 



Aster microcephalus Franch. et Sav. Enum. PI. Jap. I. p. 223. 



