Cyperaceae 



243 



5-20 cm. long; leaf-blades about 1 mm. wide, overtopping the 

 culm after anthesis, die basal sheaths dark reddish, rarely 

 pale; spikes unisexual (plant dioecious), solitary, terminal, 

 bracdess, the pistillate loosely 3- to 6-fiovvered, broadly linear, 

 about 1 cm. long, the staminate loosely few-flowered, linear, 

 reddish brown; pistillate scales narrowly ovate, pale to partially 

 reddish brown, slightly lustrous, clasping at base; perigynia 

 nearly as long as or slightly longer than the scales, ellipsoidal, 

 nerveless except for 2 scabrous costal ner\'es, pale green, mem- 

 branous, the beak short, recurved, with an entire hyaline 



mouth; sUgmas 3, rather long.- Apr.-May. Rocks in woods 



in mountains; Honshu, Shikoku, Kyushu; gregarious and 

 matted. 



126. Carex heteroclita Franch. C. grallatoria var. 



heterocUta (Franch.) Kuekenth. Sanagi-suge. Closely 



allied to the preceding; leaf-blades flat, 1-2.5 mm. wide, short; 

 spikes androgynous, the staminate part shorter than the 

 loosely few-flowered pistillate part.- — — Rocks in woods in 

 mountains; Honshu (Kanto, westw. to Kinki Distr.), Shi- 

 koku, Kyushu. Formosa. 



127. Carex gifuensis Franch. C. argyrostachys Lev. & 

 Van't. KuRO-HiNA-suGE. Rhizomes slightly woody, short- 

 creeping, much-branched, forming mats; culms 10-30 cm. 

 long, slender, pilose-scabrous; leaves elongadng after anthesis, 

 pilose, the blades rather flat, 1.5-2.5 mm. wide, light to 

 yellowish green, at first pilose-scabrous above, the basal sheaths 

 partially dark reddish, prominently reticulate-fibrous, the 

 ligules prolonged, pale, scarious, dorsally 2-!obed; spikes 2 or 

 3, contiguous, erect, die terminal staminate, narrowly lan- 

 ceolate, 10-15 mm. long, usually reddish, the lateral pistillate, 

 sessile, oblong, 5-10 mm. long, densely rather few-flowered, the 

 lowest bract scalelike, clasping, short-setaceous at tip; pistillate 

 scales ovate, abruptly short-cuspidate, dark castaneous, the 

 margins broadly hyaline; perigynia longer than the scales, 4 

 mm. long, pilose, several-ribbed, with a thick stipe, abrupdy 

 short-beaked, with a dark purplish brown entire tip; stigmas 



3. Apr.-June. Dry open woods; Honshu (Shimotsuke, 



Mino, and Ise Prov.) ; rare. 



128. Carex mira Kuekenth. Sawa-hime-suge. Rhi- 

 zomes densely tufted, forming large clumps; culms 20-40 cm. 

 long, slender, decumbent when the achenes are ripe; old leaves 

 persistent and surrounding the neck at base, circinately 

 curved, the new leaves erect, flat, about 2 mm. wide, sparsely 

 hairy, the basal sheaths partially dark red, die ligules scarcely 

 developed; spikes 2-A, erect, approximate, the terminal stami- 

 nate, broadly linear, dark reddish brown, with minutely ciliate 

 scales, the lateral pistillate, oblong, 5-10 mm. long, sessile, 

 the lowest bract auriculate, clasping, not sheathing, short- 

 awned; pistillate scales elliptic, dark reddish brown, minutely 

 ciliate; perig>'nia as long as and narrower than the scales, 

 ovoid-fusiform, 3-3.5 mm. long, compressed-trigonous, loosely 

 appressed-pilose, gradually narrowed at each end, short- 

 beaked, with a dark brown minutely 2-toothed mouth; stigmas 



3. Pine woods in mountains; Honshu (Mikawa Prov. to 



Kinki and Chugoku Distr.) ; rare. Korea. 



129. Carex melanocarpa Cham. C. brachyphylla 

 Turcz.; C. ericetorttm subsp. melanocarpa (Cham.) Kuekenth. 



TAKANE-HrNiE-suGE. Rather firm tufted herb; culms 



5-15 cm. long, erect, smooth, rigid; leaf-blades stiff, lustrous, 

 spreading, 1.5-2.5 mm. wide, die sheaths partially reddish 

 purple; spikes 2 or 3, approximate, erect, the terminal stami- 



nate, linear, 7-13 mm. long, the lateral pistillate, narrowly 

 oblong to nearly globose, densely few-flowered, subsessile, 4-8 

 mm. long, the bracts very short, auriculate, not sheathing, 

 sometimes with a setaceous tip; pistillate scales broadly elliptic, 

 very obtuse to nearly rounded, ciliolate, dark reddish brown; 

 perig>'nia slightly longer than the scales, 2 mm. long, el- 

 lipsoidal, obtusely angled, with 2 costal nerves, sparsely short- 

 semlose mainly on die upper part, abrupdy short-beaked, the 



tip hyaline, emarginate; stigmas 3. July-Aug. Dry alpine 



slopes; Hokkaido (Mount Yubaridake) ; very rare. Sakha- 

 lin, and e. Siberia. 



130. Carex vanheurckii Muell.-Arg. C. amblyolepis 

 Trautv. & Mey., non Peterm.; C. pensylvanica var. amblyolepis 

 (Trautv. & Mey.) Kuekenth.; C. psettdowrightii Honda; C. 



vanheurckii var. pseudowrightii (Honda) Ohwi Nuio- 



suGE, Shirouma-hime-suge. Rhizomes loosely branched, 

 with short-creeping innovations; culms slender, slightly sca- 

 brous, 10-40 cm. long, ultimately decumbent; leaf-blades flat, 

 1.5-2 mm. wide, rather soft, the basal sheaths dark reddish 

 purple, spHtting into fibers; spikes 2 or 3, erect, the terminal 

 staminate, many-flowered, linear, 1-2 mm. long, with obtuse, 

 margined, thin scales broadly scarious, the others pistillate, con- 

 tiguous, 4-7 mm. long, ovate-ellipsoidal, rather few-flowered, 

 the bracts scalelike, dark reddish purple, 4-6 mm. long; pistil- 

 late scales ovate-elliptic, acute, dark reddish purple; perigynia 

 nearly as long as the scales, about 2.7 mm. long, globose- 

 obovoid, with 2 costal nerves, obscurely 3-angled, sparsely 

 hispidulous, often glabrate, abruptly short-beaked, the beak 

 purplish with an entire hyaline moutii; stigmas 3. July- 

 Aug. Alpine slopes; Hokkaido, Honshu (n. and centr. distr.) ; 

 radier rare. e. Siberia, Sakhalin, Kuriles, and Kamchatka. 



131. Carex oxyandra (Fr. & Sav.) Kudo var. oxyandra. 

 C. montana var. oxyandra Fr. & Sav.; C. wrightii Franch., non 



Dewey; C pilulijera sensu auct. Japon., non L. Hime-suge. 



Plant loosely mfted, with short ascending rhizomes; culms 

 10-50 cm. long, slender, scabrous; leaf-blades flat, 2-3 mm. 

 wide, soft, the basal sheaths reddish, sparsely fibrous; spikes 

 3i-6, all but the lowest approximate, the terminal staminate, 

 5-8 mm. long, dark red, linear, with acute, scarious-margined 

 scales, the lateral spikes pistillate, ovate-globose, 5-7 mm. long, 

 few-flowered, the bracts scalelike, sheathless, sometimes ending 

 in a short awnlike brisde; pistillate scales dark reddish purple, 

 ovate-oblong, acute; perigynia longer than the scales, nar- 

 rowly ovate to elliptic, 2.5-3.5 mm. long, obtusely trigonous, 

 with 2 costal nerves, sparsely short-pubescent, abruptly short- 

 beaked, with a minutely 2-toothed tip. May-July. Coni- 

 ferous woods, sometimes in sandy places in volcanoes, often 

 in alpine regions; Hokkaido, Honshu, Shikoku, Kyushu; 

 rather common. Sakhalin, Kuriles, and Formosa. 



Var. lanceata (Kuekenth.) Ohwi. C. wrightii var. lanceata 



Kuekenth. Nagami-no-hime-suge. Pistillate scales broadly 



lanceolate, long-attenuate; perigynia 4—5 mm. long, narrowly 

 lanceolate, sparsely puberulent, long-beaked. Woods; Hon- 

 shu (centr. and Kinki Distr.) ; rather rare. 



131a. Carex chinoi Ohwi ex T. Koyama. Tateshina- 

 hfme-suge. Rhizomes covered with yellow-brown fibrous 

 remains of leaf -sheaths; leaves narrowly linear, nearly as long 

 as the culms; basal sheaths yellow-brown; terminal staminate 

 spikelet 5-10 mm. long; lateral pistillate spikelets globose, 3-6 

 mm. across; bracts setaceous; pistillate scales elliptic- to oblong- 

 ovate, yellow-brown with a lighter colored margin, short- 



