Orchidaceae 



349 



flowers pale yellow; spur absent; sepals reflexed-spreading, 

 oblong-ovate, 10-13 mm. long, about 3 mm. wide, caudate- 

 acuminate, 3-nerved; petals 7-8 mm. long, obtuse, oblong- 

 ovate; lip as long as the sepals, quadrangular-oblong, 3-lobed, 

 the lateral lobes ascending, ovate, the terminal lobe broadly 

 clawed, the limb transversely oblong, truncate, crispate-denti- 

 culate; ovary pedicelled. Nov. Woods in mountains; Kyu- 

 shu (s. distr.) ; rather common. Ryukyus and Formosa. 



2. Calanthe bungoana Ohwi. Tag.\ne-ran. Rhizomes 

 short; leaves linear-oblanceolate, 30-50 cm. long, 1.5-2 cm. 

 wide, acuminate, gradually narrowed at base, glabrous, short- 

 petiolate; scapes about 65 cm. long, white-puberulent, with 2 

 sheathing scales on the lower half; racemes rather densely 

 many-flowered, about 10 cm. long, the bracts linear-lanceolate, 

 1-2 cm. long, green; flowers yellowish green; sepals ovate, 

 puberulent without, about 7 mm. long, acute, reflexed-spread- 

 ing; petals oblanceolate, about 6 mm. long, acute; lip slightly 

 longer than the sepals, 3-lobed, with 3 crested merging veins 

 on the inner side, the lateral lobes 4-5 mm. long, elliptic, the 

 terminal lobe broadened at tip, bifid; spur about 8 mm. long, 



straight; ovary pedicelled, puberulent. Kyushu (Bungo 



Prov.) ; very rare. 



3. Calanthe oblanceolata Ohwi & T. Koyama. Saku- 

 RAjiMA-EEiNE. FiG. 3. Terrestrial perennial herb with thick, 

 rather short rhizomes; leaves in fascicles of 3 or 4, oblanceolate, 

 40-50 cm. long, 3-6.5 cm. wide, 3- to 7-nerved, densely puberu- 

 lent on under side; scape 40-70 cm. long, minutely puberulent; 

 racemes densely many-flowered, about 20 cm. long; flowers 

 greenish yellow, half-open; median sepal ovate-oblong, about 

 9 mm. long, 3-nerved, pubescent outside, the lateral elliptic- 

 oblong; petals linear-oblanceolate, about 1.3 mm. wide, the lip 

 straight, about 9 mm. long, 3-lobed, with 3 irregular raised 

 ridges inside, the lateral lobes small, the median obtriangular, 

 rounded to emarginate at apex, the spur short, straight, about 

 2 mm. long. May. Kyushu (s. distr.) ; rare. 



4. Calanthe nipponica Makino. C. triiUijormis var. 



hastata Finet Kinsei-ran. Rhizomes short; leaves 3-5, 



oblanceolate to narrowly oblong, 15-30 cm. long, 1.5-3.5 cm. 

 wide, glabrous, acuminate, narrowed to a short sheath at base; 

 scapes 30-60 cm. long, puberulent in upper part; racemes 

 loosely 5- to 12-flowered, 15-20 cm. long, the bracts lanceolate, 

 acuminate, 1-2 cm. long, green; sepals spreading, broadly 

 lanceolate, 15-20 mm. long, acuminate; petals linear-lanceo- 

 late, 15-17 mm. long, acuminate, narrowed toward the base; 

 lip deltoid-ovate, as long as the sepals, the limb abruptly 

 broadened, shallowly 3-lobed, with crested ridges in the center, 

 the lateral lobes short, ascending-spreading, the terminal lobe 

 quadrangular-ovate, cuspidate, undulate on margins; spur 



about 5 mm. long. June. Woods; Hokkaido, Honshu 



(centr. and n. distr.) ; rather rare. 



5. Calanthe discolor Lindl. C. Iwida Decne. Ebine. 



Rhizomes short and thick; leaves 2 or 3, narrowly obovate-ob- 

 long, 15-25 cm. long, 4-6 cm. wide, acute, petiolate, glabrous; 

 scapes 30-50 cm. long, puberulent in upper part, with 1 or 2 

 sheathing scales; racemes 5-15 cm. long, loosely about 10-flow- 

 ered, the bracts lanceolate, 5-10 mm. long, scarious; sepals 

 spreading, narrowly ovate, 15-20 mm. long, acute or mucro- 

 nate, narrowed toward the base, dark brown to greenish; 

 petals slightly smaller than the sepals, obovate-spathulate or 

 narrowly ovate; lip flabellate, as long as the sepals, rose or 

 white, deeply 3-lobed, with 3 median ridges, the lateral lobes 

 ascending, broadly cuneate, entire, the terminal lobe broadly 



cuneate, bifid; spur 5-10 mm. long. Woods in foothills; 



Hokkaido (sw. distr.), Honshu, Shikoku, Kyushu; common. 

 Var. bicolor (Lindl.) Makino. C. striata R. Br. ex Miq.; 



C. striata var. bicolor (Lindl.) Maxim.; C. bicolor Lindl. 



Takane. Flowers larger, not fully expanding; terminal 



lobe of lip not prominendy lobed. Apr.-May. Kyushu. 



Forma sieboldii (Decne.) Ohwi. C. sieboldii Decne.; 



C. striata var. sieboldii (Decne.) Maxim.; C. striata forma 

 sieboldii (Decne.) Ohwi Ki-ebine. Flowers clear yellow. 



6. Calanthe aristulifera Reichenb. f. C. kjrishimensis 



Yatabe Kirishima-ebine. Rhizomes short; leaves 2 or 3, 



narrowly obovate-oblong, 15-20 cm. long, 3-5 cm. wide, acute 

 to short-acuminate, narrowly cuneate, puberulent beneath, 

 rather long-petiolate; scapes 30-40 cm. long, puberulent in 

 upper part, with a few scalelike leaves; racemes 8-12 cm. long, 

 loosely about 10-flowered, brownish puberulent, the bracts 

 linear-lanceolate, membranous, acuminate, 4-8 mm. long; flow- 

 ers half-opened at anthesis, white, sometimes with a rose tint; 

 sepals narrowly ovate-oblong, about 15 mm. long, acuminate, 

 puberulent outside; petals narrower but as long as the sepals; 

 lip 3-lobed, shghtly shorter or as long as the sepals, deltoid- 

 flabellate, the inner side with 3 elevated ridges, the lateral 

 lobes ascending, the terminal lobe broadly cuneate, truncate, 



mucronate; spur 15-18 mm. long; ovary puberulent. May. 



Honshu (Hachijo Isl.), Kyushu. 



7. Calanthe schlechteri Hara. C. alpina sensu auct. 



Japon., non Hook. f. Kiso-ebine. Rhizomes short; 



leaves 2 or 3, narrowly obovate-oblong, 15-20 cm. long, 3-4 

 cm. wide, acute, narrowly cuneate, glabrous; scapes 25-30 cm. 

 long, glabrous, with 1 scale; racemes 5-7 cm. long, 3- to 8- 

 flowered, glabrous, the bracts lanceolate, 8-15 mm. long, 

 acuminate; flowers pendulous; sepals broadly lanceolate to 

 narrowly ovate, 15-17 mm. long, 4-6 mm. wide, acuminate, 

 mucronate, purplish; petals lanceolate, 12-15 mm. long, about 

 3 mm. wide, acuminate, purplish; lip erect, slighdy shorter 

 than the sepals, nearly rounded, entire, minutely fimbriate, 

 pale yellow with darker striations; spur narrowed above, 2- 



2.3 cm. long; ovary glabrous. July-Sept. Honshu (centr. 



distr.), Shikoku (Mount Ishizuchi); very rare. 



8. Calanthe reflexa Maxim. Paracalanthe reflexa 

 (Maxim.) Kudo; C. o\usliiriensis Miyabe & Tatew.; C. reflexa 



var. o\ushiriensis (Miyabe & Tatew.) Ohwi Natsu-ebine. 



Rhizomes short; leaves 3-5, narrowly oblong to broadly ob- 

 lanceolate, 10-30 cm. long, ^6 cm. wide, acuminate, usually 

 puberulent beneath, narrowed toward the base; scapes 20-40 

 cm. long, puberulent above, with a solitary green scale; ra- 

 cemes 10-15 cm. long, loosely 10- to 20-flowered, the bracts 

 lanceolate, acuminate, green, 1-2 cm. long, puberulent; flowers 

 pale purple; sepals gradually acuminate, 15-20 mm. long, the 

 dorsal sepal narrowly ovate, the lateral ones ovate, reflexcd; 

 petals 12-15 mm. long, 1.5-2 mm. wide, broadly linear, acumi- 

 nate; lip flat, broadly ovate, as long as the sepals, cuspidate, 

 deeply 3-lobed, the terminal lobe relatively large, broadly 

 cuneate-elliptic, with undulate margins, rounded, mucronate; 

 spur absent. Aug. Honshu, Shikoku, Kyushu. 



9. Calanthe torifera Schltr. C. tricarinata sensu auct. 



Japon., non Lindl. Sarumen-ebine. Rhizomes short; 



leaves 2-4, narrowly obovate-oblong, 15-25 cm. long, 6-8 cm. 

 wide, abruptly acuminate, narrowed toward the base, glabrous 

 or scattered puberulent beneath; scapes 30-50 cm. long, with 

 1 scale about the middle; racemes 15-30 cm. long, loosely 7- 

 to I5-flowered, the bracts membranous, narrowly triangular. 



