Eriocaulaceae 



269 



Var. matsumurae (Nakai) Satake. E. matsumurae Nakai 

 Matsumur/\-inu-no-hige, O-iNu-No-HicE. Receptacle gla- 

 brous; some pistillate flowers with the ovary 2-locular and 

 with 2 stigmas. Honshu (Bitchu Prov.). 



Var. mikawanum (Satake & T. Koyama) T. Koyama. E. 



mi^awanum Satake S: T. Koyama Mikawa-inu-no-hige. 



Plants slender, small; receptacle pilose; pistillate flowers with 



unilocular ovary and single sdgma. Honshu (Tsukude 



Moor, Mikawa Prov.). 



18. Eriocaulon miquelianum Koern. var. miqueli- 

 anum. Inu-no-hige. Acaulescent annual; leaves linear, 

 6-20 cm. long, 3-4 mm. wide; peduncles numerous, e.xceeding 

 the leaves, slender, twisted, 4- to 5-ribbed; heads turbinate, 

 6-10 mm. across; involucral bracts many, spreading, the outer 

 lanceolate, acute, twice as long or much longer than the disc 

 flowers, the inner ovate; receptacle usually glabrous; flowers 

 numerous; floral bracts ovate-cuneate, nearly as long as the 

 flowers, puberulent on the back above; staminate flowers 2.5 

 mm. long; pisdllate flowers 2.5-3 mm. long, the calyx an oval 

 3-lobed spathe, white-puberulent on the upper margin, gla- 

 brous outside and pilose inside, the petals 3, free, ovate- 

 lanceolate, narrowed at base, long-pilose inside, the sdgmas 3, 



longer than the style. Honshu, Shikoku, Kyushu. 



China. 



Var. atrosepalum Satake. Takayu-inu-no-hige. Heads 



few-flowered; receptacle pilose; pistillate calyces blackish. 



Honshu (Uzen). 



Var. monococcon (Nakai) T. Koyama. E. monococcon 

 Nakai Ezo-hoshi-kusa. Very slender; receptacle gla- 



brous; pisdllate flowers with unilocular ovary and single 



stigma. Peaty soil; Hokkaido, Honshu (Yamato Prov.); 



scarce. 



19. Eriocaulon pallescens (Nakai) Satake. E. sacha- 



linense var. pallescens Nakai Shiro-Ezo-hoshi-kusa. 



Slender, small, stemless annual; leaves narrowly linear, to 7 

 cm. long, I mm. wide, gradually narrowed to an acute apex, 1- 

 to 3-nerved; peduncles few, 5-6 cm. tall, capillary, 3-ribbed; 

 heads turbinate, 2-3 mm. long, 2 mm. across, few-flowered, the 

 receptacle glabrous; involucral bracts 2-3, narrowly ovate, 

 rather obtuse, 2.5-3 mm. long, 1.5 mm. wide; floral bracts 

 ellipdc, obtuse-tipped, ciliolate; pistillate flowers about 2 mm. 

 long, the calyx pale, thin, deeply 3-lobed, white-pubescent on 

 the upper margin, the petals 3, free, lanceolate, glabrous out- 

 side, pilose inside, die sdgmas 3. Hokkaido (Iburi Prov.). 



20. Eriocaulon dimorphoelytrum T. Koyama. Yuki- 

 iNU-No-HiGE. Small stemless annual; leaves few, slenderly 

 linear, 1-4 cm. long, 0.3-1 mm. wide, acuminate; peduncles 

 1-3, 5-7 cm. long; heads lageniform-turbinate, 3.5-6 mm. long, 

 2.5-3.5 mm. wide, white, 3- to 6-flowered; involucral bracts 

 pale white, ovate-lanceolate, 3.2-5.5 mm. long, cuspidate, 

 e.xceeding the flowers; receptacle pilose; floral bracts oblong- 

 ellipdc, white, short-puberulent on back above; pisdllate 

 flowers 2.7-3 mm. long, the calyx white, thin, orbicular-oval, 

 distinctly 3-lobed, white-pubescent on the upper margin, gla- 

 brous on both sides, die petals ovate-lanceolate, cuneate and 



short-stipitate at base, pilose inside, the stigmas 3. Peat 



bogs; Honshu (Ozegahara Moor). 



21. Eriocaulon atroides Satake. Kuro-inu-ko-hice- 

 MODOKi. Stemless annual; leaves few to several, linear, long- 

 attenuate to an acute tip, 2-8 cm. long, 1-4 mm. wide, 3- to 5- 

 nerved; peduncles slender, 10 cm. long or more, 4- to 5-ribbed, 

 loosely twisted; heads short-turbinate, 3-4 mm. long, about 5 



mm. across, 4- to 10-flowered, blackish, the receptacle pilose; in- 

 volucral bracts 5 or 6, lanceolate or broadly so, 3.5-4 mm. 

 long, 1-1.2 mm. wide, rather acute, exceeding the disc flowers; 

 floral bracts lanceolate, rather acute, with 2-celled hairs along 

 the upper margin; pistillate flowers to 2.5 mm. long, with an 

 oval blackish hyaline spathelike calyx 3-toothed and white- 

 puberulent at apex, pilose inside, the petals 3, free, lanceolate, 



pilose inside, the stigmas 3, as long as the style. Honshu 



(Kodzuke, Shimotsuke, and Uzen Prov.). Forma nanum 



Satake. Oze-inu-no-hige. A small form with a lighter 

 colored pistillate calyx and slighdy shorter involucre. Hon- 

 shu (Ozegahara Moor). 



22. Eriocaulon sekimotoi Honda. Inu-no-hige-modoki. 

 Relatively robust stemless annual; leaves tufted, linear, 10-13 

 cm. long, 5-6 mm. wide, gradually attenuate to a somewhat 

 firm obtuse tip, 9- to 11-nerved; peduncles numerous, 10-18 

 cm. long, twisted, 5-ribbed; heads turbinate, 5 mm. long, 

 6-7 mm. across, but to 1-1.2 cm. wide including the in- 

 volucre; involucral bracts 10-12, spreading, lanceolate, about 

 2 mm. wide, acute, die outer 5-7 mm. long, 3-nerved, much 

 exceeding die disc flowers; receptacle more or less pilose; 

 floral bracts ovate-oblong, glabrous except for the ciliolate 

 upper margin, blackish above; pistillate flowers 2.7-3 mm. 

 long, the calyx a blackish spathe almost glabrous except pilose 

 inside, 3-lobed, the petals 3, free, lanceolate, glabrous at apex, 



pilose inside, the stigmas 3, slightly longer than the style. 



Honshu (Shimotsuke Prov.); local. Possibly this is a natural 



hybrid between E. atrttm Nakai X E. hondoense Satake ■ 



Forma glabrum Satake. Yashu-inu-no-hige. Receptacle 

 almost glabrous; involucre shorter, nearly as long as the disc 

 flowers. Occurs with the typical phase. 



23. Eriocaulon sachalinense Miyabe & Nakai var. 

 kushiroense (Miyabe & Kudo) T. Koyama. E. \ushiroense 



Miyabe & Kudo Kushiro-hoshi-kusa. Slender stemless 



annual; leaves narrowly linear, 5-7 cm. long, 2 mm. wide, 

 gradually narrowed to an acute apex, 5-nerved; peduncles few 

 to several, about 10 cm. long, soft, 3-ribbed; heads obovoid, 2 

 mm. long, 2-3 mm. across, few-flowered; involucral bracts 4 or 

 5, broadly elliptic to obovate, obtuse-tipped, nearly as long 

 as the disc flowers, olive-black above; receptacle glabrous; 

 pistillate flowers with obovate, glabrous, rounded bracts, the 

 calyx an olive-black spathe, 2- or 3-lobed, ciliolate on the 

 upper margin, glabrous outside, pilose inside, the petals 3, free, 

 lanceolate, glabrous outside, pilose inside, the stigmas 2 or 3. 



Peat bogs; Hokkaido (Kushiro Prov.). The typical phase 



always has 2-lobed pistillate calyces and 2 stigmas. 



24. Eriocaulon nanellum Ohwi var. nanellum. Mi- 

 yama-hina-hoshi-kusa. Delicate stemless annual; leaves few, 

 filiform, 1.5-3 cm. long, 1 mm. wide, 3- to 5-nerved; peduncles 

 filiform, few, 2-8 cm. long; heads dark brown, about 2 mm. 

 long, cyathiform, few-flowered; involucral bracts 3 or 4, ob- 

 long, obtuse or rounded at apex, 2 mm. long, 1 mm. wide; 

 receptacle glabrous; floral bracts oblong, slighdy shorter than 

 the flowers, blackish; pistillate flowers with the calyx spathe- 

 like, wholly glabrous except sometimes short-ciliolate on the 

 upper margin, olive-black, irregularly 3- or sometimes 4-lobcd, 

 the petals 3, free, oblanceolate, glabrous, the stigmas 3, shorter 

 than die style. High mountains; Honshu (n. distr.). 



Var. albescens Satake. Shirobana-miyama-hina-hoshi- 

 KusA. Heads greenish, not blackish; pistillate calyces also 

 greenish. Honshu (Ugo Prov.). 



Var. filamentosum (Satake) Satake. E. filamentosum Sa- 



