Orchidaceae 



357 



petals similar to the sepals; lip sessile, from the base of the column, spurless, often longer than the sepals, nearly flat, scarcely 

 inflated at base, with a callosity or small lateral lobe on each side near base, the limb flat, entire or bifid; column very short, 



thick: anther terminal, 2-locular; pollinia 2, waxy; capsules narrowly oblong, not beaked, erect. About 40 species, in India, 



Malaysia, e. Asia, and the Pacific islands. 



1. Luisia teres (Thunb.) Bl. Epidendrum teres Thunb.; 



L. jatiriei Schltr. Bo-ran. Fig. 4. Evergreen epiphyte; stems 



simple or sparsely branched, tufted, 10-40 cm. long, about 3-4 

 mm. in diameter, erect or pendulous, the internodes sheathed; 

 leaves obliquely spreading, linear, 6-12 cm. long, 3.5-4 mm. 

 wide, terete, abruptly obtuse, scarcely narrowed at base; spikes 

 sessile, 1- to 5-flowered, dense, the axis short, 1.5-2 mm. thick, 

 the bracts deltoid, 2-3 mm. long; flowers greenish yellow with 

 a brown hue; sepals oblong, obtuse, pale green, relatively thick, 

 the dorsal sepal about 8 mm. long, ascending, rounded on the 



back, the lateral ones about 10 mm. long, spreading, obtusely 

 keeled on the back, cucullate, contiguous with the margin of 

 the lip; petals flat, pale green, ascending, about 10 mm. long, 

 narrowly spathulate-oblong, rounded; lip thick, flat, spreading, 

 pale green outside, dark brown-purple within, oblong, about 

 15 mm. long, ascending, auriculate, shallowly bifid, the lobes 

 ascending, lanceolate, 2-3 mm. long; column thick, very short; 

 capsules clavate-fusiform, 25-30 mm. long inclusive of the 



thick pedicel. July-Aug. Tree-trunks; Honshu (Ise and 



Kii Prov.), Shikoku, Kyushu. 



57. SARCANTHUS Lindl. Mukade-ran Zoku 



Evergreen epiphytic herbs with leafy stems; leaves terete or flat, coriaceous, joined with the nodal sheaths; inflorescence spicate, 

 axillary, simple or branched, sometimes reduced to a single flower; flowers small, short-pedicelled, usually yellowish green; 

 sepals and petals spreading, subequal; lip 3-lobed, the lateral lobes inserted at the mouth of the spur, small, the terminal lobe 

 ovate to lanceolate, the limb with a thin longitudinal septum above the spur, callose below; the column wingless, the foot 



wanting; anther terminal, 2-locular; pollinia usually 4, sometimes 2. About 100 species, in India, e. Asia, Malaysia, and 



Polynesia. 



1. Sarcanthus scolopendrifolius Makino. Mokade-ran. obtuse, slightly connate at the base, the petals similar but 

 Stems slender, creeping, branched, about 1.5 mm. in diameter; slightly shorter; lip saccate-spurred, the terminal lobe deltoid- 

 leaves distichous, 7-10 mm. long, slightly recurved, subulate, ovate, obtuse, entire; column short; capsules clavate-ovoid, 6-7 



obtuse, grooved above; sheaths tubular, closely appressed to mm. long, nearly sessile. June-July. Trees or rocks; Hon- 



the internodes; peduncles axillary, 1-flowered, 2-3 mm. long, shu (Kanto Distr. and westw.), Shikoku, Kyushu; rare. 



1- or 2-bracteate; sepals spreading, pale rose, spathulate-oblong, s. Korea. 



58. SACCOLABIUM Bl. 



Matsu-ran Zoku 



Evergreen epiphyte without pseudobulbs; stems leafy; leaves spreading, distichous, coriaceous or fleshy, flat or rarely terete, 

 the sheaths persistent, closely clasping; peduncles simple or branched; flowers in racemes, the bracts diminutive; sepals and 

 petals alike, free; lip sessile, saccate or spurred, the lateral lobes relatively small, erect, the terminal one larger; column short, 

 wingless, sometimes angled; the foot wanting; anther terminal, 1- or imperfectly 2-locular; pollinia 2, rarely bifid; capsules ob- 

 long-cylindric. About 20 species in India, Malaysia, and e. Asia. 



lA. Leaves 3-6 cm. long, 6-15 mm. wide, obscurely 7- to 9-nerved 1. S. japonicum 



IB. Leaves 7-20 mm. long, 3-5 mm. wide, obscurely 3-nerved. 



2A. Leaves uniformly green; petals broadly elliptic; lip ciliate 2. 5. ciliare 



2B. Leaves with purple spots; petals narrowly oblong; lip not ciliate. 



3A. Leaves narrowly oblong, 7-20 mm. long, 3-5 mm. wide; lip entire, with a saccate spur 3. 5. malsuran 



3B. Leaves elliptic to ovate-elliptic, 5-1 1 mm. long, 2.5-5 mm. wide; lip 3-lobed, with a short-cylindric spur 4. .S. toramantim 



1. Saccolabium japonicum Makino. Gastrochilus ja- them elliptic, 9-10 mm. long, about 4.5 mm. wide, acute to 



ponicus (Makino) Schltr. Kashi-no-ki-ran. Stems 1-4 subacute, others linear-oblong, 16-20 mm. long, 3.5-4 mm. 



cm. long, densely leafy; leaves evergreen, oblanceolate, 3-6 wide, the bracts ovate, small; flowers 2-4, on an abbreviated 

 cm. long, 6-15 mm. wide, subacute, somewhat falcate, ob- axis, pale yellowish green, partially open; sepals narrowly ob- 

 scurely 7- to 9-nerved, the midrib raised beneath; racemes 1-3 long, 2-2.5 mm. long, obtuse; petals broadly elliptic, about 2 

 cm. long, 4- to 10-flowered, the bracts deltoid, 1-2 mm. long; mm. long; lip whitish, saccate, the limb reniform, ciliate; 



flowers pale yellow; sepals and petals about 4 mm. long, column short. Kyushu (Yakushima) ; very rare. 



spathulate-oblong, obtuse, rose-purple spotted on the inside; 3. Saccolabium matsuran Makino. Gastrochilus matsu- 



lip relatively large spurred, the spur about 3 mm. across at the ran (Makino) Schltr. Matsu-ran, Beni-kaya-ran. Stems 



mouth, about 4 mm. in depth, the lateral lobe on the margin slender, 1-3 cm. long; leaves evergreen, dense, narrowly ob- 

 of the mouth, the limb depressed deltoid, obtuse; column short; long to linear-oblong, 7-20 mm. long, 3-5 mm. wide, slightly 

 capsules sessile, narrowly oblong-cylindric, about 2 cm. long, incurved at tip, purple-spotted, the midrib depressed above, 

 July-Aug. Shikoku, Kyushu; rare. Ryukyus. elevated beneath; inflorescence 8-10 mm. long, 2- to 4-flowered, 



2. Saccolabium ciliare (F. Maekawa) Ohwi. Castro- the bracts deltoid, 0.5-1 mm. long, obtuse; flowers yellowish 



chillis ciliaris F. Maekawa Matsuce-kaya-ran. Stems green; sepals and petals spreading, narrowly oblong, 3-3.5 



slender; leaves dimorphic, uniformly green, numerous, spread- mm. long, obtuse; lip rather large, saccate-spurred, entire, the 



ing, obsoletely 3-nerved, the midrib depressed above, some of limb reniform, obtuse-truncate; column very short; capsules 



