Myrsinaceae 713 



lA. Corolla tubular-campanulate, the tube 2 or 3 times longer than the ascending to erect lobes; bracteoles broadly ovate to rcniform, 



rounded to very obtuse \. M. japonica 



IB. Corolla broadly campanulate, the tube nearly as long as the spreading lobes; bracteoles lanceolate, small, acute 2. M. tenera 



1. Maesa japonica (Thunb.) Moritzi. Doraena japon- Woods in low mountains; Honshu (s. Kanto Distr. and 



tea Thunb.; A/, doraena (Thunb.) Bl.; M. coriacea Champ. wesr\v.), Shikoku, Kyushu. Ryukyus, Formosa, China, and 



Izu-SENRYO. Dioecious shrub about 1 m. high, with Indochina. 



much-elongate arcuate-declining branches; branchlets gla- 2. Maesa tenera Mez. M. jormosana Mez; M. sinensis 



brous, green, loosely lenticellate; leaves oblong to elliptic, sensu auct. Formos., non DC. Shima-Izu-senryo, Kara- 



sometimes broadly lanceolate or broadly elliptic, 5-17 cm. long, ubagane. Glabrous branched shrub; leaves elliptic or ob- 

 2-5 cm. wide, acuminate, rounded to acute at base, loosely long, 8-13 cm. long, 3-5 cm. wide, acute at both ends, coarsely 

 short-toothed or subentire, deep green and slightly lustrous on undulate-toodied or subentire, the petioles 1-1.5 cm. long; in- 

 upper side, glabrous on both sides except for loose brownish florescence axillary, a simple or rarely a compound raceme, 

 granular short hairs while very young, the lateral nerves 5-8 1-5 cm. long; bracteoles lanceolate, acute; calyx-teeth ovate; 

 pairs, weak, ending in the teeth, the petioles 1-1.5 cm. long; corolla 2.5-3 mm. long, white or slightly purplish, the tube 

 racemes axillary, sometimes compound in the staminate ones, about as long as the spreading rounded lobes; fruit globose, 

 1-2 cm. long; bracteoles broadly ovate to reniform, rounded 3.5-4 mm. across, obsoletely striate, the upper 1/4-1/3 ex- 



or obtuse, glandular-striate; flowers about 5 mm. long; calyx- serted beyond the calyx-lobes. Mar.-Apr. Woods and 



teeth deltoid; corolla yellowish white, tubular-campanulate, thickets in hills and low mountains; Kyushu (Osumi, Satsuma 



the lobes about 1/3 as long as the tube; fruit globose, about Prov., incl. Koshiki Isl.). Ryukyus, Formosa, and China. 



5 mm. across, milky white, brownish striate. Apr.-June. 



2. ARDISIA Sw. Yabu-koji Zoku 



Trees or shrubs or creeping suffrutescent undershrubs; leaves usually alternate, sometimes opposite or subverticillate in the 

 suffrutescent species, entire, undulate or sometimes toothed, usually with marginal glands; inflorescence a terminal or axillary pan- 

 icle, corymb, or umbellate corymb; flowers small, bisexual or polygamous, 4- or 5-merous, white or pink, usually glandular; sepals 

 almost free or more or less united at base, dextrorsely contorted, sometimes imbricate or valvate; corolla gamopetalous, the lobes 

 dextrorsely contorted; stamens inserted at base of corolla-tube, the filaments short, the anthers erect, dehiscing by longitudinal 

 slits or rarely by pores; ovary superior, 1-locular, the placenta globose, bearing 3-12 ovules in 1-3 series; fruit a bcrrylike globose 



drupe, with a solitary seed, the persistent style simple, slender, the stigma apiculate, punctate. About 250 species, chiefly in 



the Tropics of Asia and America, few in Australia. 



lA. Small shrubs with long slender, more or less creeping stems, the aerial stems ascending, scarcely branched, 5-30 cm. long, 2-4 mm. in 

 diameter; leaves verticillatcly arranged; inflorescence lateral, leafless. 

 2A. Creeping stems without leaves; stem-leaves rather coriaceous, 6—13 cm. long, many-toothed. 



3A. Stems and peduncles with very short and minute glandular hairs; peduncles 1-1.5 cm. long; calyx-lobes broadly ovate, abruptly 



acute \. A. japonica 



3B. Stems and peduncles with very short and minute glandular hairs as well as spreading multicellular hairs about 0.5 mm. long; 



peduncles 1 .5-2.5 cm. long; calyx-lobes ovate, acuminate 2. A. montana 



2B. Creeping stems leafy; stems slender; leaves chartaceous, 2-6 cm. long, with less than 10 coarse teeth on each side; plant with long 



multicellular hairs i. A. pusilla 



IB. Small shrubs or trees without creeping stems, the erect stems usually branched; leaves alternate; inflorescence lateral or subterminal, usu- 

 ally on special lateral branches, these sometimes leafless. 

 4A. Leaves with distinctive albuminous marginal glands, toothed or entire; fruit red; small sparsely branched shrubs. 



5A. Leaves oblong, acute to abruptly acuminate with an obtuse rip; stems and inflorescence glabrous; flowering branches few, on the 



upper part of the stems, spreading; inflorescence terminal, sessile ^. A. crenata 



5B. Leaves lanceolate or broadly so, gradually narrowed to an obtuse tip, green; upper part of stem and the inflorescence more or 



less minutely granular-puberulent; inflorescence axillary and long-peduncled 5. A. crispa 



4B. Leaves without distinctive marginal glands, entire or slightly undulate; fruit dark purplish; large much-branched shrubs. 



6A. Branches and peduncles rather thick; calyx-segments broadly ovate, subobtuse; leaves pale grayish brown when dried, the midrib 



not prominent 6. A. sieboldii 



6B. Branches and peduncles rather slender; calyx-segments deltoid, short, subacute; leaves darkened when dried, dark purplish brown 

 beneath, the midrib rather slender 7. A. quinqticgona 



1. Ardisia japonica (Thunb.) Bl. Bladhia japonica spreading, 1-1.5 cm. long, the pedicels 2-5, subumbellate, 7-10 



Thunb. Yabu-koji. Usually a low unbranched suffrutes- mm. long; flowers white, nodding, 6-8 mm. across, rotate; 



cent shrub widi minute hairs on upper part of stems, inflores- calyx-segments broadly ovate, abruptly acute, ciliolatc; fruit 



ccnce, and young petioles; creeping stems elongate, sparingly globose, red, 5-6 mm. across. July-Aug. Woods in hills 



branched, leafless; stems ascending, 10-30 cm. long, 2-3 mm. and low mountains; Hokkaido (Okushiri Isl.), Honshu, Shi- 



in diameter, terete, with few whorls of verticillate leaves; koku, Kyushu. Korea, China, and Formosa. 



leaves oblong or narrowly so, 6-13 cm. long, 2-5 cm. wide, Var. angusta (Nakai) Makino & Nemoto. Bladhia ja- 



acute at both ends, short mucronate-toothed, lustrous, deep ponica var. angusta Nakai Hosoea-yabu-koji. Leaves 



green, glabrate, the petioles 7-13 mm. long; inflorescence in lanceolate, 2-5 cm. long, 6-20 mm. wide. Honshu (Izu- 



die axils of leaves or scalelike leaves, the peduncles slender, oshima), Kyushu (Yakushima). 



