LiLIACEAE 



289 



3-4 cm. long, about 2 cm. wide, petiolate, ovate or ovate-ellip- 

 tic, mucronate, abruptly decurrent on the petiole, with 3-4 

 pairs of nerves; flowers pale purple, 2.5-3 cm. long, the pedi- 

 cels 6-8 mm. long, spreading, the bracts 3-4.5 mm. long. 



June-July. Honshu (centr. distr.). Sometimes cultivated in 



our gardens. Korea (Quelpaert Isl.). 



Hosta minor Nakai. Keirin-giboshi. Small herb with 

 broadly ovate-orbicular leaves short-cordate to truncate at base; 

 scapes much longer than the leaves, longitudinally hned; flow- 

 ers 5-5.5 cm. long. Poorly known. Reported from Kyushu 



(Tsushima) . Korea. 



3. Hosta capitata (Koidz.) Nakai. H. caerulea var. 



capitata Koidz. Iya-giboshi. Scapes to 65 cm. long, 



about twice as long as the leaves, loosely 3-scaled, terete; leaves 

 cordate-ovate or broadly ovate, 8-12 cm. long, 5-7.7 cm. wide, 

 long-petioled, abruptly acuminate, green, dull, with 7-9 pairs 

 of impressed nerves above, the margins undulate; inflorescence 

 3.5 cm. long, dense, the flowers 4.5-5 cm. long, purplish, the 

 bracts about 2 cm. long, elliptic, purplish, acute, the pedicels 

 4-6 mm. long. Shikoku. 



4. Hosta nakaiana F. Maekawa. Kanzashi-giboshi. 

 Leaves long-petioled, oblong-ovate, recurved above, acuminate, 

 cordate-truncate, 6-7.5 cm. long, 2.8-4.5 cm. wide, the margins 

 slighriy incurved near base, minutely undulate, green above, 

 membranously chartaceous, with 5-7 pairs of nerves; scapes 

 much longer than the leaves, 35-45 cm. long, angled, with a 

 scalelike leaf near the top; racemes capitate, the bracts im- 

 bricate, elliptic, 14-17 mm. long, 6-10 mm. wide, strongly 

 boat-shaped, white to purplish, obliquely spreading, acute or 

 mucronate, the pedicels about 5 mm. long, obliquely spread- 

 ing; perianth purple, 4.5-5 cm. long. Honshu (Kinki 



Distr.), Kyushu. 



5. Hosta opipara F. Maekawa. Nishiki-giboshi. 

 Leaves horizontally spreading, flat, long-petioled, ellipdc or 

 ovate-elliptic, slighdy undulate, acuminate, abruptly narrowed 

 at base, 13-18 cm. long, 7-12 cm. wide, with about 9 nerves, 

 the margin whitish or yellowish; scapes about 80 cm. long, 

 erect, the bracts broadly ovate or ovate-elliptic, 9-15 mm. long, 

 acute; flowers about 4 cm. long, purplish. Planted in Hon- 

 shu (Mutsu Prov.). 



6. Hosta atropurpurea Nakai. Kurobana-giboshi. 

 Leaves broadly lanceolate to ovate-oblong, petioled, 5-20 cm. 

 long, glaucescent; scapes 45-60 cm. long, 1-scaled; racemes 



erect, the bracts lanceolate, purplish; flowers deep purple. 



High mountains; Hokkaido. 



7. Hosta rectifolia Nakai. Tachi-giboshi. Leaves 

 firm, long-petioled, oblong-lanceolate, 17-20 cm. long, 6-7 cm. 

 wide, slightly undulate, with 7 pairs of nerves, acute, gray- 

 green, decurrent below on the petiole; scapes about 80 cm. 

 long, the bracts loose; flowers slightly nodding, 3.7-5 cm. 

 long, whitish, die outer perianth-lobes ovate, subacute, about 

 12 mm. wide, the pedicels 9-12 mm. long, the bracts elliptic, 

 subacute, green with purplish striae; stamens shorter than the 



perianth, the anthers whitish. Hokkaido, Honshu (centr. 



and n. distr.). s. Kuriles, Sakhalin, and Ussuri. 



8. Hosta decorata L. H. Bailey. Otafuku-giboshi. 

 Leaves ascending, long-petioled, elliptic, 9-12 cm. long, 5-6 

 cm. wide, short-acuminate to subobtuse, narrowed below and 

 rounded at base, flat, dull, 5-nerved, the margins white; scapes 

 about 50 cm. long, median scales clasping, the bracts involute, 

 broadened at base, the pedicels very short; flowers nodding, 

 about 5.2 cm. long, pale purple, the outer perianth-lobes ob- 



long, acuminate, about 2 cm. long, 1 cm. wide. Cultivated 



in Honshu. Forma normalis Stearn. Midori-otafuku- 



giboshi. Leaves green. Spontaneous in Honshu (Shinano 



Prov.). 



9. Hosta longissima Honda. H. japonica var. longijolia 



Honda; H. land folia var. longijolia (Honda) Honda Na- 



gaba-mizu-giboshi. Leaves linear-oblanceolate, 17-19 cm. 

 long, 1.7-2 cm. wide, subobtuse, long-tapering to the petiole, 

 spreading-recurved, flat above, dull; scapes about 50 cm. long; 

 racemes usually 3-flowered; flowers small, spreading, pale rose- 

 purple, the outer perianth-lobes oblong-lanceolate, erect, acute, 

 about 12 cm. long, 6 mm. wide, the pedicels 6-9 mm. long, 

 shorter than the bract, purplish, curved; capsules nodding, 

 about 3.3 cm. long. Honshu (w. distr.) . 



Var. brevifolia F. Maekawa. Mizu-giboshi, Saji-giboshi. 

 Leaves erect, spreading, 17-19 cm. long, 1.7-2 cm. wide; 

 racemes 3- to 5-flowered, the bracts 8-9 mm. long, very acute. 

 Wet places; Honshu (centr. distr. and westw.). 



10. Hosta helonioides F. Maekawa. Hakama-giboshi. 

 Leaves spreading, linear-oblanceolate, acuminate, gradually 

 narrowed to the petiole, with 3-4 pairs of lateral nerves, green 

 and dull above; scapes erect, the scales rather numerous, 

 oblong-lanceolate, boat-shaped, incurved above; bracts boat- 

 shaped, involute on margin, 17-32 mm. long, oblong-lanceo- 

 late, acuminate, green; pedicels 5-10 mm, long; flowers 

 pendulous, about 5 cm. long, with pale-purple striae, the peri- 

 anth-lobes usually spreading or reflexed at tip. Honshu (n. 



distr.). 



11. Hosta okamii F. Maekawa. Murasamo-giboshi. 

 Leaves rather thick, obliquely spreading, petiolate, lanceolate 

 to oblong-lanceolate, 7-10 cm. long, 22-28 mm. wide, acute, 

 obsoletely glandular-dotted, cuneate below and decurrent on 

 the petiole, flat except the sometimes undulate margin, rather 

 lustrous; scapes about 50 cm. long, slender, terete, green; 

 racemes loose, one-sided, about 12-flowered, the bracts thinly 

 membranous, ovate, boat-shaped, 7-12 mm. long, translucent, 

 equaling to slightly longer than the spreading pedicel; peri- 

 anth about 4 cm. long, pale purple, the outer lobes spreading, 

 narrowly elliptic, about 16.5 mm. long; stamens long-exserted. 

 Honshu (Kinki Distr.), Shikoku. 



12. Hosta rhodeifolia F. Maekawa. Omoto-giboshi. 

 Leaves lanceolate to oblong-lanceolate, green to yellowish and 

 slighdy lustrous above, flat with 5 or 6 pairs of nerves, the mar- 

 gin slighdy involute, narrowed below; scapes long-exserted, 

 75-120 cm. long, erect, with 5 or 6 scales, the bracts ovate, sub- 

 obtuse, boat-shaped, with yellow-white margins, clasping, 

 1.5-3 cm. long; flowers nodding, about 4.5 cm. long, pale 

 purple, with purple striae, the pedicels abruptly curved below. 



<;ultivated in Honshu (w. distr.). Forma viridis F. 



Maekawa. Aoba-omoto-gieoshi. Leaves green. Spon- 

 taneous in Honshu (Kinki Distr.). 



13. Hosta clavata F. Maekawa. Ko-gib6shi, Musashino- 

 giboshi. Leaves lanceolate or oblong-lanceolate, 7-11 cm. 

 long, 2-3 cm. wide, acute, undulate on lower margin and 

 narrowly decurrent on the petiole, dull above, with 3-4 pairs 

 of nerves; scapes 40-45 cm. long, erect, slender, the bracts 

 green, very acute, the pedicels very short, curved; flower-buds 

 clavate, obtuse, the flowers at right angles to die scape, about 



4 cm. long, white to pale purplish. Mountains; Honshu 



(Kanto Distr.). 



14. Hosta albomarginata (Hook.) Ohwi. Funkja albo- 

 marginata Hook.; Alctris japonica Thunb.; Hemerocallis 



