770 



Labiatae 



wide, very acute, rounded to subtruncate at base, irregularly 

 toothed, usually loosely short-pilose on tlie nerves beneath; 

 spikes 3-10 cm. long, sometimes branched at base, rather 

 densely flowered; bracts broadly linear; calyx in fruit 4-5 

 mm. long, nearly glabrous or loosely puberulent on upper 



part, usually not glandular-pilose, the teeth narrowly deltoid, 

 or the 2 anterior ones lanceolate, acuminate to acute; nutlets 



about 1.5 mm. long. July. Hokkaido, Honshu, Shikoku, 



Kyushu. ^Korea. 



4. SCUTELLARIA L. Tatsu-nami-s6 Zoku 



Perennials or annuals, rarely subshrubs, erect or decumbent; leaves often toothed; flowers paired in the verticils, blue or rose- 

 colored, sometimes yellow; calyx campanulate, bilabiate, the lips entire, short, broad, closed in fruit; corolla-tube long, often 

 geniculate and gibbous, erect, the limb bilabiate, the upper lip erect, galeate, sometimes retuse, the lower lip spreading, the lateral 

 lobes connate to the upper lip or to the midlobe of the lower lip; anthers approximate in pairs, the lower ones more or less 



reduced and 1-locular, the upper ones 2-Iocular; nutlets orbicular, often slightly compressed, usually short-tubercled. ^About 



20 species, widely distributed in temperate regions and mountains of the Tropics. 



lA. Flowers 6-8 mm. long; corolla-tube erect from the base or slightly geniculate. 

 2A. Flowers axillary, solitary, not forming a spike. 



3A. Nearly glabrous to minutely puberulent; leaves narrowly deltoid-ovate or broadly deltoid-lanceolate; petioles 1—3 mm. long. 



1. S. dependens 



3B. Spreading-hairy on leaves and calyx; leaves cordate; petioles 1-2 cm. long 2. 5. guilielmii 



2B. Flowers in a terminal spike; leaves broadly ovate-deltoid, with a few deep teeth on each side 3. S. shil{p\iana 



IB. Flowers 1.5-3 cm. long; corolla-tube erect from the prominently geniculate base (except gently curved upward in 5. pekfnensis). 

 4A. Flowers in terminal spikes. 

 5 A. Flowers 15-22 mm. long. 



6A. Stems with upwardly curved hairs or subglabrous. 



7A. Lower lip of corolla about twice as long as the upper lip, straight 4. S. pekinensis 



7B. Lower lip of corolla about as long as the upper lip. 



8A. Leaves 8-20 mm. wide, ovate to ovate-cordate; spikes few-flowered 5. S. amabilis 



8B. Leaves 10-15 mm. wide, ovate-deltoid; spikes many-flowered 6. S. laeteviolacea 



6B. Stems with spreading or downwardly curved hairs. 

 9A. Stems densely spreading-pubescent. 



1 OA. Internodes shorter than the larger leaves 7. S. abbreviata 



lOB. Internodes longer than the leaves. 



1 lA. Leaves flat, thinly long-hairy 8.5. k.urok.awae 



IIB. Leaves minutely uneven on the surface, densely short-hairy 9. S. indica 



9B. Stems with downwardly curved hairs. 



12A. Stems and leaves puberulent; leaves rounded to broadly cuneate at base 10. 5. mttramatsui 



12B. Stems and leaves long-pubescent; leaves cordate at base. 



13 A. Leaves tending to be approximate on upper part of stem; spikes short, 0.5-3 cm. long 11.5. brachyspica 



13B. Leaves tending to be approximate on lower part of stem; spikes often elongate, 2-8 cm. long 12.5. maeJtawae 



5B. Flowers 27-32 mm. long 13. 5. iyoensis 



4B. Flowers in axils of cauline leaves 14. 5. strigillosa 



1. Scutellaria dependens Maxim. S. oldhamii Miq. 



HiME-NAMiKi. Nearly glabrous to minutely puberulent, 

 green, slender, perennial; stems erect, sometimes branched, 10- 

 30 cm. long, acutely 4-angled, puberulent on the angles; leaves 

 narrowly ovate-deltoid or deltoid-lanceolate, 1-2 cm. long, 

 6-10 mm. wide, obtuse, rounded to shallowly cordate at base, 

 slightly scabrous on margin and on nerves above, with 1 or 2 

 teeth near base, entire on upper half, the petioles 1-3 mm. 

 long; calyx 1.5 mm. long in anthesis, 2.5-3 mm. long in fruit; 

 corolla white, the lower lip twice as long as the upper, about 

 1.5 mm. long; nudets about 0.7 mm. long, densely granular- 

 mammilla te. June- Aug. Hokkaido, Honshu, Shikoku (?), 



Kyushu. Korea, Manchuria, and e. Siberia. 



2. Scutellaria guilielmii A. Gray. S. hederacea sensu 

 auct. Japon., non Kunth & Bouche; 5. tanakfie Fr. & Sav.; S. 



suzukiana Honda Ko-namiki. Slender, green, perennial; 



stems erect, branched, 20-40 cm. long, angled, glabrous or 

 loosely spreading-pubescent; cauline leaves reniform-cordate or 

 cordate, 1-2 cm. wide, rounded at apex, few-toothed, pubes- 

 cent on both sides, petiolate; floral leaves ovate or narrowly so, 

 1-2 cm. long, 5-15 mm. wide, obmse, nearly sessile; calyx 2.5 

 mm. long in anthesis, 5-6 mm. long in fruit, spreading-pubes- 

 cent; corolla white, 7-8 mm. long, the upper Up about half as 



long as the erect lower lip; nutlets wing-margined, about 2 

 mm. across inclusive of the wing, toothed, the lower surface 

 with long linear-filiform white tubercles, the upper surface 



loosely papillose. May. Honshu (Awa Prov. and westw.), 



Shikoku, Kyushu. Ryukyus. 



3. Scutellaria shikokiana Makino. Miyama-namiki. 

 Green, glabrescent perennial with slender branched rhizomes; 

 stems 5-15 cm. long, angled, glabrous to spreading glandular- 

 hairy often on the upper part; leaves membranous, ovate-del- 

 toid, 2-3 cm. long, 1.5-2.5 cm. wide, subobtuse, truncate or 

 very broadly cuneate at base, often scattered hairy, few-toothed, 

 the petioles 1.5-2.5 cm. long; spikes loosely flowered, 1-5 cm. 

 long, nearly glabrous; calyx 2 mm. long in anthesis, 4 mm. 

 long in fruit, with long spreading hairs; corolla white, green- 

 ish yellow when dried, 7-8 mm. long, the lower lip descend- 

 ing, 2.5 mm. long, about twice as long as the suberect upper 



lip; nutlets about 0.5 mm. long, densely mammillate. July- 



Aug. Honshu (Kanto Distr. and westw.), Shikoku, Kyushu. 



Forma pubicaulis Ohwi. Ke-miyama-namiki. Plant 



rather prominently puberulent on upper part of stems. 



Kyushu. 



4. Scutellaria pekinensis Maxim, var. ussuriensis 

 (Regel) Hand.-Mazz. S. japonica var. ussuriensis Regel; S. 



