ORCHroACEAE 



327 



1-5 cm. wide, rounded to acute, narrowed to the base; spikes 

 3-15 cm. long, the bracts narrowly lanceolate, long-acuminate, 

 nearly as long as the flowers; flowers greenish, rather numer- 

 ous, the dorsal sepal ovate, 3-nerved, obtuse, 2-3.5 mm. long, 

 the lateral sepals spreading, narrowly oblong, obtuse, 3-4 mm. 

 long; petals narrowly ovate, obtuse, thickened; lip 3-4 mm. 

 long, obtuse, 3-lobed, the lateral lobes deltoid, small, the 

 terminal lobe rather thick, linear-oblong, obtuse, slightly re- 



flcxed at tip; spur linear, 5-7 mm. long. July-Aug. Grassy 



places and woods in low mountains; Hokkaido, Honshu, Shi- 



koku, Kyushu. Korea, China, and Ussuri. 



2. Tulotis iinuraae (Makino) Hara. Perularia iinumae 

 (Makino) Ohwi; Habenaria iinumae Makino; Platanthera 

 iinumae Makino; Gymnadenia iinumae (Makino) Miyabe & 



Kudo IiNUMA-MUKAGO. Roots slender, slightly thick- 

 ened; stems slender, 25-35 cm. long, 2-leaved near the middle, 

 with several reduced leaves above; larger leaves subapproxi- 

 mate, oblong, 8-15 cm. long, 2-4 cm. wide, rounded to ab- 

 rupdy acuminate at apex, sheathed at base; spikes 5-10 cm. 

 long, many-flowered, die bracts linear-lanceolate, spreading 

 above; flowers small, greenish; sepals nearly erect, 1-nerved, ob- 

 mse, ovate, about 2 mm. long; petals slighdy shorter than the 

 sepals; lip slightly longer than the sepals, ovate, subacute, thick, 

 ascending, spreading toward tip, with an ascending acute 

 minute lobe on each side above the base; spur oblong, 1-1.5 

 mm. long. July-Aug. Grassy places and thickets in moun- 

 tains; Hokkaido (Oshima Prov.), Honshu, Shikoku, Kyushu. 



7. HERMINIUM L. Mukago-s6 Zoku 



Small terrestrial herbs with tuberous roots; leaves few, sheathing at base; spikes terminal; flowers small, greenish; sepals 

 equal, free; petals equal, or smaller than the sepals; lip spreading or pendulous, adnate to the column at base, 3-lobed, the 



terminal lobe smaller; spur absent; column very short, rostellum short; anther-locules parallel; glands naked. More than a 



dozen species in Europe and Asia. 



lA. Leaves 3—5, linear to broadly so; lip much longer than the sepals, 3-lobed from the middle, the lateral lobes linear, nearly entire, 

 the terminal lobe much shorter than the lateral lobes I. H. longicrure 



IB. Leaves 2, ovate to broadly lanceolate; lip 3-lobed from the base, slightly longer than the sepals, the lateral lobes ascending, slightly 

 smaller than the terminal lobe, both lanceolate 2. H. monorchis 



1. Herminium longicrure (Wright) Wang & Tang. 

 Aceras longicruris Wright; H. angustifolium var. longicrure 



(Wright) Makino Mukago-so. Slender herb with ovoid 



roots; stems rather slender, 20-40 cm. long, loosely 3- to 5- 

 leaved; leaves linear to broadly so, 8-15 cm. long, 4-8 mm. 

 wide, acuminate; spikes 5-15 (-20) cm. long, the bracts ovate- 

 triangular, 1-nerved, long-acuminate, shorter or slightly longer 

 dian the flowers; flowers green, not fully open; sepals oblong, 

 very obtuse, 1-nerved, 2-2.5 mm. long, equal; petals slighdy 

 shorter than the sepals, linear-lanceolate; lip 5-8 mm. long, 

 linear, pendulous, slightly broadened at base, 3-lobed from the 

 middle, the lateral lobes linear, obtuse, ascending, the terminal 



lobe very short; spur absent; column very short. June- 



Aug. Grassy places in lowlands; Hokkaido (Oshima Prov.), 

 Honshu, Shikoku, Kyushu; rather rare. Ryukyus, For- 

 mosa, China, Manchuria, and Korea. 



2. Herminium monorchis (L.) R. Br. Ophrys monor- 

 chis L. KusHiRo-CHiDORi. Small herb with thickened 



roots; stems 10-35 cm. long, slender; leaves 2, radical, ovate or 

 broadly lanceolate, 4-10 cm. long, 1-2 cm. wide, acute to 

 acuminate, the cauline usually 1, near middle of stem, small; 

 spikes densely flowered, elongate, to 20 cm. long in fruit; 

 bracts green, as long as the ovary, lanceolate, caudate-acumi- 

 nate; flowers somewhat secund, green; sepals ascending, 1- 

 nerved, the dorsal ovate, about 2 mm. long, obtuse, the lateral 

 sepals slightly narrower and longer; petals oblong, i-^ mm. 

 long, obtuse; lip 4-5 mm. long, ascending, somewhat broad- 

 ened at base, inflated, 3-lobed from the base, die lateral lobes 

 short, ascending, the terminal lobe linear, obtuse; ovary 3-4 



mm. long. June-July. Hokkaido (Kushiro) ; very rare. 



Korea, China, n. India, Siberia, and Europe. 



8. AMITOSTIGMA Schltr. Hina-ran Zoku 



Terrestrial herbs, with tuberous roots; stems slender, 5-20 cm. long, 1- to 4-leaved; leaves narrow, sometimes nearly radical; 

 flowers in spikes, rose-purple or pale rose, the bracts green, lanceolate, often shorter than the ovary; sepals free, oblong or ovate, 

 1- to 3-nerved; petals similar to the sepals, often forming a hood with the dorsal sepal; lip rather large, 3-lobed, the terminal lobe 

 larger, often shallowly bifid, spur relatively short; column very short, adnate to the base of lip; staminodes developed, the 

 anther-locules parallel, approximate, not elongate at base; rostellum small; stigma transversely divided into 2 lobes; ovary often 

 short-stalked. About 20 species, in e. Asia and India. 



lA. Flowers relatively small; lip about 3.5 mm. long; perianth-segments 1-nerved, about 2.2 mm. long; leaves solitary, broadly lanceolate, 



subacute \. A. gracile 



IB. Flowers relatively large; lip 7-13 mm. long; perianth-segments 3-6 mm. long. 

 2A. Leaves solitary (rarely 2 in No. 2). 



3A. Leaves linear to broadly so; plant of bogs; flowers white to pale rose; lobes of lip lanceolate 2. A. l{inoshilae 



33. Leaves narrowly oblong to lanceolate; plant of shaded rocky cliffs; flowers rose-purple; lobes of lip ovate i. A. I(eis/^ei 



2B. Leaves 2-4; flowers rose-purple; lobes of lip broadly cuneatc to nearly rounded; plants of shaded rocks. 



"lA. Leaves approximate at base of stem, the lower 2 oblong to broadly oblanceolate; bracts nearly hyaline; lip with a rather deeply 



biiid terminal lobe 4. A. Icpidum 



4B. Leaves alternate, cauline, linear to broadly so; bracts green; lip with entire terminal lobe 5. A. kfirot^amianum 



