Gramineae 



167 



appressed to the branchlets; glumes l-nerved, oblong, obtuse, 

 about 1.5 to 2 mm. long; lemmas about 3.5 mm. long, ovate, 



42. MELICA L. 



7-nerved, scaberulous. June-July. Ponds; Hokkaido, Hon- 

 shu (Kanto Distr. and northw.). 



KOMEGAYA ZOKU 



Perennials with slender culms, linear leaf-blades and closed sheaths; panicles loose and open, or compact and spikelike, some- 

 times loose and nearly simply racemose; pedicels usually pubescent under the spikelet; spikelets 3- to 5-flowered, nodding to 

 pendulous, articulate below the florets; florets bisexual, the upper often sterile and convolute into a clavate mass; glumes 

 papery, 1- to 9-nerved, smaller than or as long as the lowest floret; lemmas rather chartaceous or membranous, 7- to 13-nerved, 

 sometimes long-pilose, obtuse, with hyaline margins usually awnless, rounded on back; callus minute, glabrous; rachilla 



glabrous; palea 2-keeled; stamens 3; ovary glabrous; caryopsis plump. About 30 species, in temperate regions of the N. 



Hemisphere. 



I.'\. Spikelets narrowly lanceolate, pale green; lemmas 4-6 mm. long, lanceolate; culms 100-150 cm. long; panicles large, much-branched. 



1 . M. onoei 



IB. Spikelets elliptic, sometimes purple-tinged; lemmas 5-8 mm. long, oblong; culms slender, 20-50 cm. long; panicles scarcely branched, 



racemelike 2. M. nutans 



1. Melica onoei Fr. & Sav. M. matstimttrae Hack.; M. 



\utnana Honda Michi-shiba, Hanabigaya. Rather firm, 



pale green perennial without stolons; culms erect, slender, 

 100-150 cm. long, with 10 or more nodes; leaf-blades loosely 

 involute, thin but rather firm, scabrous, 15-30 cm. long, 4-10 

 mm. wide, sheaths longer than the internodes, sometimes 

 pubescent or retrorsely scabrous; ligules truncate, 0.2-0.3 mm. 

 long; panicles at length exserted, erect, 25-50 cm. long, the 

 branches subverucillate, spreading, slender but firm; pedicels 

 short-pilose; spikelets 7-10 mm. long, 3- or 4-flowered, the 

 florets all nearly equal; glumes lustrous, rather acute, the 

 first narrowly ovate, 2.5-3 mm. long, l-ner\'ed, the second 

 broadly lanceolate, 4.5 mm. long, with a pair of slender lateral 

 nerves; lemmas pale green with hyaline margins, obtuse, 7- to 

 9-nerved, glabrous, 4-6 mm. long; caryopsis broadly lanceolate, 



3 mm. long. Aug.-Sept. Thin woods; Honshu (Kanto 



Distr. and westw.), Shikoku, Kyushu; rather rare. Korea 



and China. 



Var. pilosella Honda. Usuge-michi-shiba. Lemmas with 

 a few long appressed setose hairs. Kyushu (Higo Prov.) . 



2. Melica nutans L. M. grandiflora Koidz.; M. nutans 



var. argyrolepis Komar. Komegaya. Slender perennial 



with slender creeping rhizomes and elongate stolons; culms 

 erect, 20-50 cm. long, obtusely angled; leaf-blades thin, sca- 

 brous, rather flat, 5-15 cm. long, 2-5 mm. wide, sometimes 

 sparsely pilose; lower sheaths tinged red-purple; ligules trun- 

 cate, very short; panicles exserted, narrow, nearly simple and 

 racemose, loosely spiculose, 8-15 cm. long; spikelets 5-15, 

 2-flowered exclusive of the 2 sterile lemmas, pendulous, elliptic, 

 6-8 mm. long, very obtuse to rounded at apex, pale green, 

 sometimes purple-tinged, lustrous; glumes oblong, papery, 

 smooth, lustrous, the lower 3-nerved, 3-4 mm. long, the upper 

 5-nerved, 5-6 mm. long; lemmas chartaceous, many-nerved, 



scaberulous; palea rather broad. May-July. Grassy slopes 



of hills and mountains; Hokkaido, Honshu, Shikoku, Kyushu; 

 rather common. Kuriles, Sakhalin, Korea, China to Si- 

 beria, and Europe. 



43. SCfflZACHNE Hack. 



Forii-gaya Zoku 



slender perennial with linear leaf-blades and rather few-spiculose, nodding panicles; spikelets slightly flattened, 4- or 5- 

 flowered, articulate below the florets; florets bisexual; glumes papery, scarcely keeled, rather acute, smooth, 1- to 5-nerved; lemmas 

 longer than the glumes, chartaceous to thick-membranous, 7- to 13-nerved, not keeled, pale green, widi hyaline, smooth margins, 

 awned just below the apex, callus pilose; rachilla glabrous; palea 2-keeled; stamens 3; ovary glabrous; caryopsis plump, lustrous. 

 One species, in e. Asia and N. America. 



1. Schizachne purptirascens (Torr.) Swallen. Trisetum 

 purpurascens Torr.; Avena callosa Turcz.; S. jauriei Hack.; 



Melica callosa (Turcz.) Ohwi; S. callosa (Turcz.) Ohwi 



Forii-gaya, "Faurie"-gaya. Loosely tufted, glabrous peren- 

 nial; culms slender, 40-70 cm. long; leaf-blades 1-2 mm. wide; 

 ligules 1.5-2.5 mm. long, hyaline; panicles exserted, nodding, 

 5-8 cm. long, 5- to 10-flowered, the branches geminate, sca- 

 brous, slender and short, usually with 1 spikelet; spikelets 

 narrowly oblong, 12-15 mm. long, 3- to 5-flowered, pale green 

 with a brown-purple hue; glumes broadly lanceolate, rather 



acute, lustrous, the lower l-nerved, 3-4 mm. long, the upper 

 5-nerved with weak, short lateral nerves, 6-8 mm. long; 

 lemmas broadly lanceolate, 8-11 mm. long, glabrous, sca- 

 berulous, 7-nerved, slightly bidentate, the awn inserted about 

 1.5 mm. below the apex, straight or slighdy recurved, scabrous, 

 slender, 1.5-2 times as long as die lemma; callus-hairs 1.5-2 



mm. long. June-July. Coniferous woods; Hokkaido, 



Honshu (centr. distr.); rare. Korea, Sakhalin, Ussuri, 



Kamchatka, and s. Kuriles, and N. America. 



44. BRYLKINIA F. Schmidt Hogaerigaya Zoku 



Slender perennial with elongate rhizomes, solitary culms, linear leaf-blades, and closed sheaths; inflorescence a simple raceme; 

 pedicels solitary, short, alternate on a 4-angled axis, jointed at base, falling with the spikelet, pendulous, short-pilose, slighdy 

 and gradually thickened above; spikelets pendulous, much-flattened laterally, 3-flowered, the lower 2 florets neutral and without a 

 palea, the uppermost bisexual and fertile; glumes and sterile lemmas green, chartaceous, keeled, the upper gradually larger. 



