734 LOGANIACEAE 



Fam. 167, LOGANIACEAE Fuji-utsugi Ka Logania Family 



Herbs, shrubs, or trees; leaves opposite, rarely alternate or verticillate, entire or toothed, simple, stipulate; inflorescence 

 cymose to thyrsiform, many-flowered, rarely reduced to 1-3 flowers; flowers bisexual, actinomorphic, 4- to 5-merous; calyx-lobes 

 valvate, rarely imbricate in bud; corolla tubular, 4- to 10-lobed, the lobes contorted, imbricate, or valvate in bud; stamens on the 

 tube, as many as the lobes, and alternate with them, rarely solitary; ovary superior, (l-)2- to 4-locular; ovules 1 to many in 

 each locule, the placentation axile or parietal in a unilocular ovary; styles solitary; fruit a capsule, berry, or drupe; embryo straight, 

 the endosperm fleshy or bony. About 30 genera, with about 800 species, of wide distribution in the Tropics and subtropics. 



lA. Fruit a many-seeded capsule; erect herbs or woody plants. 



2A. Herbs; corolla-lobes valvate in bud 1. Mitrasacme 



2B. Shrubs; corolla-lobes imbricate in bud 2. Buddleia 



IB. Fruit a few-seeded berry; scandent evergreen shrubs 3. Gardneria 



1. MITRASACME Labill. Ai-nae Zoku 



Small or delicate herbaceous annuals or perennials; leaves opposite, small, entire, the petioles joined by a very short sheath 

 from the adjacent one; flowers small, in terminal and axillary fascicles or umbels, 1 to many, white or yellowish; calyx 

 campanulate, 4-lobed; corolla campanulate or cup-shaped, 4-lobed, valvate in bud; stamens 4, inserted on the tube, the anthers 

 usually not exserted from the tube; ovary 2-locular; ovules many; styles 2, connate while young, later becoming bifid to the 



base; capsules truncate to bifid at the apex; seeds small. About 30 species, chiefly in Australia, few in the Pacific Islands and 



tropical Asia. 



lA. Stems leafy only on lower part, papillose-hairy toward the base; leaves ovate to oblong, 7-15 mm. long 1. M. pygmaea 



IB. Stems leafy throughout, nearly glabrous; leaves lanceolate to broadly linear, 3-8 mm. long 2. M. alsinoides var. indica 



1. Mitrasacme pygmaea R. Br. M. nudicaulis Reinw.; 2. Mitrasacme alsinoides R. Br. var. indica (Wight) 



M. chinensis Griseb.; M. polymorpha sensu auct. Japon., non Hara. M. alsinoides sensu auct. Japon., non R. Br.; M. indica 



R. Br. ^Ai-NAE. Delicate annual, 5-15 cm. high; stems Wight Hime-nae. Delicate annual, 5-15 cm. high; 



branched at base or simple, terete, with few pairs of leaves at stems often branched at base, leafy to the apex, loosely granu- 



base, scapelike in upper part; leaves ovate or oblong, 7-15 lar-puberulent on upper part; leaves of few pairs, spreading, 



mm. long, 3-6 mm. wide, acute or obtuse, obsoletely 3-nerved, lanceolate to broadly linear, 3-8 mm. long, 1-2 mm. wide, 



often short-pilosulous on both sides, always so on the margin; acute to acuminate, mucronate, obsoletely 1-costate, glabrous; 



flowers 3-5, verticillate, erect, white, about 3 mm. across, flowers white, about 2.5 mm. across, the pedicels 7-20 mm. 



the pedicels 1-4 cm. long; capsules globose, bifid, about 3 mm. long; capsules globose, bifid; style about 2.5 mm. long. 



long. Aug.-Oct. Sunny places in lowlands; Honshu, Shi- Aug.-Oct. Wet grassy places in lowlands; Honshu, Shikoku, 



koku, Kyushu. Korea, Ryukyus, Formosa, China, India, Kyushu. Ryukyus, Formosa, China, India, Malaysia, and 



Malaysia, and Australia. Australia. 



2. BUDDLEIA L. Fuji-utsugi Zoku 



Shrubs or trees, rarely herbs, usually pubescent; leaves opposite, rarely alternate or verticillate, entire or toothed; inflorescence 

 spiciform, paniculate, or thyrsoid, densely flowered; flowers small, white, yellowish, or blue-purple, 4-merous; calyx campanulate, 

 4-toothed; corolla tubular, the lobes 4, spreading, imbricate in bud; stamens inserted on tube or throat, the anthers subsessile; 



ovary 2-locular, many-ovuled; capsules septicidally dehiscent, the valves sometimes bifid; seeds many, often winged. About 



100 species, in tropical and subtropical regions of Asia, America, and S. Africa. 



lA. Branches 4-winged; anthers below the middle of the tube 1. B. japonica 



IB. Branches nearly terete, scarcely angled; anthers above the middle of the tube 2. B. venenijera 



1. Buddleia japonica Hemsl. B. insignis sensu auct. utsdgi. Densely stellate-tomentose shrub, except the leaves on 



Japon., non Carr. Fuji-utsugi. Deciduous, branched upper side; branches terete; leaves narrowly ovate, sometimes 



shrub 50-150 cm. high, the branches 4-winged, loosely pale broadly lanceolate, 7-15 cm. long, 3-6 cm. wide, caudate, 

 brown stellate-hairy while young; leaves broadly lanceolate to rounded to subacute at base, entire or obsoletely undulate- 

 narrowly ovate, 8-20 cm. long, 2-5 cm. wide, long-acuminate, toothed, very thinly pubescent on upper side while young, 

 loosely mucronate-toothed or entire, green and glabrate above, the petioles 5-15 mm. long; panicles 10-30 cm. long, one- 

 pale green and usually stellate-hairy beneath, the petioles 2-3 sided and densely many-flowered, declined in upper part, 

 mm. long; panicles narrow, 10-25 cm. long, one-sided, many- spiciform; corolla pale purple, densely stellate-hairy externally, 

 flowered; corolla pale purple, 15-20 mm. long, pale brown- the tube gently curved, about 15 mm. long; anthers above the 



tomentose externally, the tube genriy curved; fruit ovoid, 6-8 middle of the tube; capsules ovoid, 5-6 mm. long. July- 



mm. long, with persistent corolla and calyx. July-Oct. Nov. Sunny slopes and waste grounds in hills and low eleva- 



Sunny slopes and thickets in mountains; Honshu, Shikoku. tions in the mountains; Shikoku, Kyushu. ^Forma calves- 



2. Buddleia venenifera Makino. B. curviflora sensu cens Ohwi. B. venenijera forma kofujii Ohwi Ko-fuji- 



auct. Japon., saltern pro parte, non Hook. & Arn.; B. curvi- utsugi. Leaves green on both surfaces. 



f-ora var. venenijera (Makino) Makino Urajiro-fuji- 



