288 LiLIACEAE 



12A. Leaves narrow, widely spreading 10. H. helonioides 



12B. Leaves obliquely spreading; bracts clasping. 



13A. Flowering in autumn; leaves slightly lustrous 11. H. okfitnii 



13B. Flowering in summer; leaves dull. 



HA. Leaves decurrent on the petiole 12. H. rhodeifolia 



14B. Leaves abruptly petioled. 



15A. Flower-bud clavate, obtuse 13. H. clavata 



1 5B. Flower-bud narrow, subacute 14. H. alhomarginata 



3B. Scapes ascending above, with leaflike bracts; perianth angled on the lower narrow portion but obsoletely grooved, the translucent 



Imes not impressed in anthesis 15. H. undulata 



2B. Bracts flat or the midrib impressed sometimes only at base, spreading at anthesis, rarely navicular or imbricate; broad upper portion 

 of the perianth equally purplish or white. 

 16A. Broad upper portion of perianth-tube obconical, with impressed translucent lines. 



17A. Perianth-lobes linear-lanceolate, about 5 mm. wide 16. H. gracillima 



17B. Perianth-lobes wider. 



18A. Rather large plant with thin, lusterless leaves; bracts withering after anthesis 17. H. tardiva 



18B. Small plant with rather coriaceous, lustrous leaves; scapes short; bracts persistent 18. H. cathayana 



16B. Broad upper portion of perianth-tube narrow, campanulate-infundibuliform, with incomplete translucent lines, the narrower 

 lower portion angled, not grooved ; bracts often whitish or purplish. 

 19A. Bracts very thinly membranous, loosely imbricate, elongate; perianth thinner; flowering in early autumn; leaves not coriaceous. 

 20A. Leaves narrow, spathulate or ovate; scapes few-flowered. 

 21A. Leaves narrower; flowers, fewer, narrow. 



22A. Leaves spathulate, flat, long-petioled 19. H. tardifiora 



22B. Leaves very narrow, often undulate and tortuous 20. H. tortifrons 



21B. Leaves ovate; flowers more in number, broader 21. H. longipes 



20B. Leaves broad, cordate, prominently coriaceous; scapes densely many-flowered 22. H. rupifraga 



19B. Bracts herbaceous, green or whitish; flowering in summer; leaves usually large, firmly coriaceous. 

 23A. Bracts flat. 



24A. Bracts completely flat, radiating in a stellate manner, often whitish; perianth somewhat thick. 



25A. Plants stout; leaves firm, coriaceous, flat or undulate, distinctly glaucous while young; scapes elongate; filaments thick. 



26A. Leaves completely flat, yellowish green, the margin involute below 23. H. nigrescens 



26B. Leaves undulate, deep green 24. H. fluctuans 



25B. Plants relatively slender; leaves herbaceous, rugose or with impressed nerves above, minutely papillose or papillose and 

 pilose on raised nerves beneath. 

 27A. Scapes shorter or not more than twice as long as the leaves; broader upper portion of the perianth-tube obconical, 

 spreading at an angle of 160-180°. 

 28A. Leaves nearly orbicular, spreading from the base, distinctly rugulose above, firm and blue-green; flowers not 



fully opening 25. H. toktidama 



28B. Leaves ovate, elliptic, or orbicular, gradually spreading above; flowers fully opening 26. H. sieboldiana 



27B. Scapes more than twice as long as the leaves; bracts usually white to green; broad upper portion of perianth-tube 

 narrowly obconical, sometimes slightly inflated at base, spreading at an angle of 90-150°. 



29A. Leaves 18-23 cm. long, long-petioled, green 27. H. montana 



29B. Leaves about 13-16 cm. long, thinner in texture 28. H. crispula 



24B. Bracts flat, colored, imbricate to form an elongate beak; perianth often thin. 



30A. Perianth white; broader upper portion of perianth-tube slightly inflated at base 29. H. \ik.uui 



30B. Perianth sordid purplish on both sides; broader upper portion of perianth-tube abruptly infundibuliform. 



31A. Scapes erect 30. H. tosana 



31B. Scapes declined 31. H. capiit-avis 



23B. Bracts often boat-shaped, green or slightly colored, imbricate. 



32A. Leaves large, flat; stamens shorter than the perianth 32. H. sacra 



32B. Leaves rather large to moderate in size; stamens longer than the perianth. 



33A. Broad upper portion of the perianth-tube abruptly broadened, the lobes recurved 33. H. hippeastrum 



33B. Broad upper portion of the perianth-tube infundibuliform, the lobes erect to spreading. 



34A. Bracts ovate-lanceolate, entirely green, short 34. H. /(iyosumiensis 



34B. Bracts oblong-lanceolate, imbricate, white. 



35A. Perianth about 5 cm. long, clavately infundibuliform, the upper broad portion longer than wide. . . 35. H. densa 

 35B. Perianth about 4 cm. long, the upper broad portion shorter than wide 36. H. pachyscapa 



1. Hosta plantaginea (Lam.) Asch. Hemerocallis long; stamens as long as the perianth; capsules cylindric, 3- 



plantaginea Lam.; Hemerocallis alba Andr.; Fun\ia sub- angled, pendulous, about 6.5 cm. long, 7-8 mm. wide; seeds 



cordata Spreng.; 'Niobe plantaginea (Lam.) Nash Maruba- winged on margin. Aug. Introduced from China, long 



TAMA-NO-KANZASHi. Large rank herb from stout rhizomes; cultivated in our gardens. 



leaves cordate, long-petioled, 15-22 cm. long, 10-17 cm. wide, Var. japonica Kikuchi & F. Maekawa. Tama-no-kanzashi. 



green, ovate-orbicular, abrupdy acute, with 8 or 9 pairs of Leaves elongate, rather loose, the flowers narrower, usually 



nerves, smooth, glabrous, the margin slightly undulate; scapes sterile. China. Long cultivated in our gardens. 



40-65 cm. long with 1-2 (-4) scales; racemes elongate, the 2. Hosta venusta F. Maekawa. H. venusta var. decur- 



bracts l(-2), 3-8 cm. long, narrowly ovate, or ovate-lanceolate, reus F. Maekawa Otome-giboshi. Scapes about 20 cm. 



spreading, green; perianth infundibuliform, about 11.5 cm. long, slender, angled, about twice as long as the leaves; leaves 



