804 SCROPHULARIACEAE 



bracteoles 7-15 mm. long, nearly leaflike; calyx-tube with 10 upper leaves rather many, ascending to obliquely spreading, 

 raised ribs, the lobes broadly linear, leaflike, 1-2 cm. long, narrowly lanceolate, 1-2 (-3) cm. long, gradually acute, entire; 

 about 2 mm. wide; corolla pale rose-purple, about 10 mm. inflorescence green, glandular-pubescent, the bracts leaflikc; 

 long; capsules glabrous, narrowly ovoid, acute or short-beaked, flowers several, the pedicels 3-5 mm. long, the bracteoles leaf- 

 about 8 mm. long, enclosed in the calyx; seeds ovoid, many, like, 1-1.5 cm. long; calyx-tube with 10 raised ribs, the lobes 



about 1 mm. long. May-June. Woods in lowlands and nearly as long as the tube; corolla 20-25 mm. long, much 



low mountains; Honshu, Shikoku, Kyushu. longer than the calyx-lobes, the tube gradually ampliate, 



2. Monochasma savatieri Franch., ex Maxim. Usu- white, with a rosy hue on the upper corolla lobe, the lower 



YUKi-KucHiNASHi-GUSA. Whitc-wooUy biennial (?); stems lip about half as long as the tube. Apr.-May. Kyushu 



tufted, 15-30 cm. long; basal leaves 3-5 mm. long, scalelike; (Hondo-mura in Amakusa IsL). China. 



22. SIPHONOSTEGIA Benth. Hiki-yomogi Zoku 



Usually pilose or pubescent annuals or perennials; stems erect, sometimes branched; lower leaves opposite, the upper ones 

 alternate, entire or pinnately parted; inflorescence spicate; flowers solitary in axils of bracts, sessile or nearly so, 2-bracteolate at 

 the base of calyx; calyx tubular, 10-ribbed, 5-lobed, the linear segments nearly as long as the tube; corolla tubular, yellowish or 

 purplish, the limb bilabiate, the upper lip erect, galeate, entire, the lower lip 3-Iobed, with 2 longitudinal crests inside toward 

 the base; stamens 4, didymous, inserted on the tube, ascending under the upper lip; capsules narrowly oblong, subacute, loc- 

 ulicidal; seeds very many, minute. Few species, in the warmer parts of Asia. 



lA. Scabrous annual, without glandular hairs; leaf-lobes slightly broadened at base; calyx-lobes equal, Y^-Yi as long as the tube, suberect; 

 corolla clear yellow, the lower lip glabrous inside, the upper lip dark brown on lower margin, acute, with a minute tooth at the tip. 



1 . S. chinensis 



IB. Glandular-pubescent annual; leaf-lobes often prominently broadened at base; calyx-lobes unequal, one slightly smaller than the others, 

 Yi-Yi as long as the tube, ascending; corolla grayish yellow, the lower lip villous inside, the upper lip red-brown on upper side, 

 truncate, entire at tip 2. 5. laeta 



1. Siphonostegia chinensis Benth. Hiki-yomogi. 2. Siphonostegia laeta S. Moore. S. laeta var. japonica 



Scabrous annual; stems erect, 30-60 cm. long, simple or Matsum.; S. japonica (Matsum.) Matsum. ex Furumi 



branched; leaves deltoid, 2-3.5 cm. long, pinnately parted, the 0-hiki-yomogi. Glandular-pubescent annual; stems 30-60 



segments linear-lanceolate, acute, with 1-3 teeth, the petioles cm. long, much branched in upper part; leaves deltoid, 2.5-4 



winged, the upper leaves smaller, 3-parted; flowers solitary in cm. long, acuminate, pinnately parted, the segments acutely 



axils of the rather leafy spike, very short-pedicelled; calyx nar- toothed, the petioles winged, the upper leaves ovate, incised or 



rowly tubular, 12-15 mm. long, 2.5-4 mm. across, prominently entire; flowers very short-pedicelled; calyx-tube membranous, 



ribbed, the bracteoles short; calyx-lobes lanceolate; corolla 12-17 mm. long, ribbed, the lobes lanceolate, unequal; corolla 



about 2.5 cm. long, clear yellow, ampliate near the throat, the about 2.5 cm. long, grayish yellow, loosely short-pubescent 



upper lip loosely long-pubescent on back, the lower lip gla- externally, the upper lip red-brown on upper side, truncate, en- 



brous inside with 2 raised crests; capsules enclosed in the tire at the tip, the lower lip with 2 raised crests, villous inside; 



calyx, as long as the calyx-tube; seeds ovoid, about 0.5 mm. in anthers obtuse; capsules broadly lanceolate, glabrous, slightly 



diameter. Aug. Meadows and grassy slopes in hills and shorter than the calyx-tube. Aug.-Sept. Honshu (Kanto 



low mountains; Hokkaido, Honshu, Shikoku, Kyushu. Distr. and westw.), Shikoku. China. 



China, Korea, Manchuria, Formosa, and s. Kuriles. 



23. MELAMPYRUM L. Mamako-na Zoku 



Glabrous or pubescent annuals; leaves opposite, entire or the upper ones incised; flowers yellowish or rose-purple, subsessile, 

 ebracteolate, solitary in axils, often forming a terminal spike, the bracts usually colored; calyx tubular, 5-toothed, the upper 

 teeth often larger than the others; corolla tubular, the limb bilabiate, the upper lip erect, flat, short, galeate, obtuse and often 

 bidentate, the lower lip 3-lobed; stamens 4, didymous, inserted on underside of the upper lip; ovary 2-locular, with 2 ovules in 



each locule; capsules flat, ovate, oblique, loculicidal; seeds 4 or fewer, strophiolate. About 40 species, in temperate regions of 



the N. Hemisphere. 



lA. Corolla white on each side of throat within; bracts acute or acuminate. 



2 A. Bracts green; leaves oblong-lanceolate or narrowly ovate, short-acute to acuminate 1. M. roseum 



2B. Bracts rose-purple; leaves linear-lanceolate to lanceolate, long-acuminate 2. M. setaceum 



IB. Corolla orange-yellow on each side of throat within; bracts obtuse 3. M. laxum 



1. Melampyrum roseum Maxim. M. henryanum Soo; both sides, the petioles 7-10 mm. long; spikes elongate, the 



M. jedoense Miq.; M. roseum var. typicum Fr. & Sav. bracts green, smaller than the median leaves, with few soft 



TsusHiMA-MAMAKo-NA. Stems 4-angled, erect, 30-50 cm. spines on margins; flowers 15-20 mm. long; calyx 3-4 mm. 



long, with ascending branches, puberulent; median leaves nar- long, glabrous or sparsely puberulent, the lobes acute; corolla 



rowly ovate to oblong-lanceolate, 5-7 cm. long, 1.5-2.5 cm. red, granular-puberulent externally, hairy inside; capsules 



wide, aciiminate, rounded at base, entire, loosely puberulent on ovate, acuminate, about 8 mm. long, densely puberulent to- 



