784 



Labiatae 



3-10 mm. long; verticils many flowered; cymes sessile or 

 rarely short-pedunculate, the pedicels slightly shorter than the 

 calyx, glabrous or puberulous; calyx 2.5-3 mm. long, the teeth 

 spreading-ciliate, narrowly deltoid, long-acuminate; corolla 

 white or pale rose, 4-5 mm. long, the tube as long as the calyx; 

 nutlets elliptic, slightly compressed, 0.7 mm. long, very broadly 

 cuneate and 3-angled at base. Aug.-Oct. Hokkaido, Hon- 

 shu, Shikoku, Kyushu. ^Korea, Sakhalin, and e. Asia. The 



typical phase occurs in temperate regions of the N. Hemi- 

 sphere. 



2. Mentha japonica (Miq.) Makino. Micromeria ja- 

 ponica Miq.; Satureia japonica (Miq.) Matsum. & Kudo; Mi- 



cromeria yezoensis Miyabe & Tatew. Hime-hakka. Nearly 



glabrous perennial; stems 20-40 cm. long, erect, sometimes 

 branched, slender, green, the internodes short, puberulent; 

 leaves many, ovate-oblong, obtuse, acute at base, the lateral 

 nerves few, obscure, the petioles to 1.5 mm. long; verticils 2-6, 

 forming a short spike, the pedicels longer than the calyx; calyx 

 about 2.5 mm. long, glabrous, glandular-dotted, the teeth del- 

 toid-ovate, erect, obtuse; corolla pale purple, 3.5 mm. long, the 

 tube slightly longer than the calyx; nutlets about 0.8 mm. long, 

 elliptic, slighdy flattened, very broadly cuneate and mucronate 

 at the base. Aug.-Oct. Wet places in lowlands to moun- 

 tains; Hokkaido, Honshu. 



24. LEUCOSCEPTRUM Smith Tennin-s6 Zoku 



Subshrubs or herbs, woody at base; leaves toothed, broadly lanceolate to broadly elliptic; bracts scalelike, broad, depressed-or- 

 bicular, clasping, caducous; spike elongate, terminal; verticils few-flowered, short, the pedicels short; calyx tubular, 5-toothed; 

 corolla bilabiate, the tube longer than the calyx, slightly inflated, the limb slighdy bilabiate, the upper lip 2-lobed, the lower 3- 

 lobed; stamens 4, nearly equal, long-exserted, the filaments glabrous or pubescent below; nutlets cuneate, truncate at apex, 

 acutely angled, smooth. Few species, Japan to the Himalayas. 



lA. Subshrub; bracts orbicular, short-cuspidate; leaves usually oblong to elliptic 1. L. siellipilum 



IB. Herb with a slightly woody base; bracts long-cuspidate; leaves usually lanceolate to narrowly oblong 2. L. japonicum 



1. Leucosceptrum stellipilum (Miq.) Kitam. & Murata. 

 Comanthosphace stellipila (Miq.) S. Moore; Elsholtzia stel- 

 lipila Miq.; Pogostemon stellipila (Miq.) Benth. & Hook, f.; 



C. tajimensis Makino Mikaeri-s6, Itokake-s6. Subshrub 



with slightly branched slender woody base; stems 40-100 cm. 

 long, smooth, lustrous, green and prominently stellate-pilose 

 while young, pale yellow-brown the second year; leaves mem- 

 branous, oblong to broadly elUptic, 10-20 cm. long, 6-12 cm. 

 wide, rounded or short-cuneate at base, toothed, stellate-pubes- 

 cent above and especially on the nerves beneath, the pedoles 

 1-5 cm. long; spikes erect, densely flowered, 10-18 cm. long, 

 sessile, stellate-puberulent, the bracts densely imbricate, short- 

 cuspidate, 6-8 mm. long, 8-10 mm. wide, caducous; corolla 

 8-10 mm. long, rose-colored. Sept.-Oct. Woods in moun- 

 tains; Honshu (centr. and w. distr.). 



Var. tosaense (Makino) Kitam. & Murata. Comantho- 

 sphace stellipila var. tosaensis (Makino) Makino O-maruba- 



No-TENNiN-so. Lcaves stellate-pubescent while very young. 

 Reported from. Shikoku and Kyushu. 



2. Leucosceptrum japonicum (Miq.) Kitam. & Murata. 

 Elsholtzia japonica Miq.; E. sublanceolata Miq.; E. barbinervis 

 Miq.; Comanthosphace japonica (Miq.) S. Moore; C. sub- 

 lanceolata (Miq.) S. Moore; C. barbinervis (Miq.) S. Moore; 

 C. stellipila var. japonica (Miq.) Matsum. & Kudo; C. ha\o- 

 nensis Koidz.; C. stellipila var. barbinervis (Miq.) Ohwi; C. 

 stellipila var. sublanceolata (Miq.) Ohwi; C. stellipila var. 

 japonica forma sublanceolata (Miq.) Matsum. & Kudo and 

 forma barbinervis (Miq.) Matsum. & Kudo; C. japonica var. 



barbinervis (Miq.) Makino Tennin-s6. Closely allied 



to the preceding; herb with a short woody base; stems erect, 

 slightly 4-angled, glabrescent, slightly stellate-pilose on upper 

 part; leaves lanceolate to oblong, 3-7 cm. wide, cuneate at base, 

 acuminate, slightly stellate-pilose only while young; spike 

 terminal, erect, the bracts scalelike, closely imbricate, caducous, 



orbicular, conspicuously cuspidate; corolla pale yellow. 



Sept.-Oct. Woods; Hokkaido, Honshu, Shikoku. 



25. DYSOPHYLLA Bl. 



Mizu-ToRA-No-o Zoku 



Perennials or annuals; leaves verticillate or opposite; verticils many-flowered, densely spicate, the bracts persistent; calyx ovate- 

 campanulate, equally 5-toothed, without hairs on throat; corolla nearly actinomorphic, the tube usually shorter than the calyx, 

 the limb spreading, nearly equally 4-lobed, the upper lobe enure or retuse; stamens 4, long-exserted, rather unequal, erect or 

 slightly recurved, the filaments often long-pilose near the middle, the anthers subglobose, the anther-locules connate at tip; 

 nutlets ovate or oblong, smooth. About 20 species, in se. Asia and Australia. 



lA. Perennial with slender rhizomes; spikes (excluding filaments) 7-10 mm. across; flowers 7-8 mm. long, inclusive of the stamens; filaments 

 with a dense tuft of long crisped hairs near middle; stems usually simple, sometimes branched at base; leaves usually verticillate in 

 4's \. D. yatabeana 



IB. Annual without rhizomes; spikes 4—5 mm. across; flowers about 3 mm. long, inclusive of the stamens; filaments loosely short-pilose 

 on lower half; stems usually branched in upper half; leaves verticillate in 3's to 6's 2. D, verticillata 



1. Dysophylla yatabeana Makino. D. linearis var. yata- 

 beana (Makino) Kudo Mizu-tora-no-o, Murasaki-mizu- 



TORA-No-o. Rhizomes slender, creeping; stems erect, 30-50 

 cm. long, many-leaved, rather soft, glabrous or slightly pubes- 

 cent on the nodes, usually simple; inflorescence terminal, spi- 

 cate; leaves usually verticillate in 4's, linear or broadly linear. 



3-7 cm. long, 2-5 mm. wide, obtuse, narrowed at both ends, 

 entire, glabrous on both sides or loosely short-pubescent on 

 midrib above, nearly sessile; spikes 2-8 cm. long, densely very 

 many-flowered; flowers nearly sessile, rose-colored, 7-8 mm. 

 long inclusive of the long exserted stamens, the bracts lanceo- 

 late, as long as the calyx, pubescent; calyx about 3 mm. long. 



