CYPRIPEDIUM 



small bract ; upper sepal white, 4-angled, appearing as 

 if inserted at one of its angles, about 15-nervecl, outer 

 nerves carmine-purple, others metallic green; margins 

 strongly reflexed; lower sepal greenish with white mar- 

 gins, veined with green; petals sulisputulate, greenish 

 at base, dotted, becoming piirplisli toward the apices, 

 veined with deep metallic green ; lain- Hum brown-purple, 

 infohled portion with raised dots ; staminode crescent 

 shape. Autumn. China. B.M. 4901. B. H. 1858, p. 182 ■ 

 1883, p. 353. 



4. calldsum, Reichb. f . Lvs. ovate-oblong, obscurelj 

 tesselated, pale beneath: scapes reddish brown; upper 

 sepal about 3 in. across, unevenly reflexed, slightly con- 

 cave at base, and translucent ; blush ground color 

 vi'iued with green, upper part white-margined, suffused 

 with rose mauve ; veins carmine-purple toward the apex; 

 pi-tals uldiijue, recurving, pale green at base, pale rose- 

 mauve at and toward the extremities, upper margin with 

 several blackish warts, ciliate ; labellum dull reddish 

 brown, infolded lobes greenish, with red-brown, shiny 

 warts ; staminodiura crescent-shaped. February and 

 March; also at other seasons. Siam. R. H. 1888:252. 



Var. S&nderse, Hort. An albino form of the species, 

 with no trace of rose-mauve or purple. The lis. are 

 white and delirate green. J. H. III. 28: 423. 



5. Lawrenceinum, Reichb. f. Lvs. oval-oblong, nearly 

 1 ft. lout;, tessellated with yellowish and dark green: 

 scapes tall, reddish brown, sometimes 2-tld. : fls. large: 

 upper sepal orbicular, white, with broad carmine-purple 

 veins, which are greenish at the base; lower sepal 

 small ; ovary long, subtended by a small bract ; petals 

 purplish at and toward the apices, otherwise greenish, 

 provided with black warts along the margins; labellum 

 dull brown-purple; staminode broadly crescent-shape. 

 April-July. Borneo. B. M. 6432. I. H. 30:478. F. S. 

 23:2372. G.C. III. 21 : 291. 



The following are forms of C. Lawrenceanum: Abbotiamcni. 

 Fls. large, with deep crimson veins on the upper sepal.— Atyo- 

 purpHreum. A dark form, upper sepal with deeply colored 

 veins.— Aurtculum.— Colordtum, Veins deep colored, the inter- 

 spaces suffused.— GiganUum. A variation from the type in the 

 large size of the fls.— Ordnde.— Hyednum. Upper sepal veined 

 with green; petals green; labellum green. G.C III. 21; 37.— 

 lAndeni. — Magnificum.— Marmordtum.— Nigrum.— Pictum.— 

 Pitcheridnum, — Pleioleftcum. Upper sepal white, with only a 

 few colored veins. — Purpurdscens.— Roseum.— Superbum.— 

 Vireacens. 



cc. Upper sepal veined with green, but slightly if at 

 all veined with crimson; petals more or less 

 spotted or dotted. 



6. Argus, Reichb. f. (C. barb&tum, var. Argns, Hort. 

 C. Pitelieridnutn, Hort.}. Lvs. oblong-lanceolate, about 

 G in. long, pale green mottled with deeper green: scape 

 long, reddish brown: ovary subtended by a small bract; 

 upper sepal broadly ovate, acuminate, dotted at base, 

 veined with green, the longer veins sometinu-s purplish : 

 petals oblong, undulate, deflexed, pale green tiiiirrd witli 

 purple at the apices, irregularly spotted with blarkisli 

 warts; labellum dull brown-purple, greenish beneath; 

 infolded lobes purplish, spotted with deeper purple; 

 staminode crescent - shaped. March, April. Luzon, 

 Philippines. B.M. 6175. A.F. 3:179. 



7. ciliol&re, Reichb. f . Lvs. oblong, pale green, tessel- 

 lated with dark green: scapes tall, reddish brown: ovary 

 subtended by a small bract; upper sepal broadly ovate, 

 acuminate, ciliate on the margins, blush white at base, 

 otherwise white, veined with green; petals ligulate, de- 

 flexed, recurved, with long marginal hairs, greenish at 

 base, becoming pale mauve at and toward the extremi- 

 ties, thickly dotted with blackish warts; labellum dull 

 brown-purple; infolded lobes yellowish, with reddish 

 brown warts; staminode reniform. April-.July and 

 even later. Philippine Islands. I. H. 31:530. G.C. III. 

 21:348. 



8. supfirbiens, Reichb. f. (CFciicfiidniim, Lem.). Lvs. 

 oval-oblong, about 6 in. in length, yellowish green, mot- 

 tled with deeper green, pale beneath: scapes tall, green- 

 ish: ovary subtended by a small bract; upper sepal 

 broadly ovate, whitish, evenly veined with green; petals 

 deflexed, almost drooping, ligulate, hairy-margined, 

 white, suffused with pale rose, tinged with reddish 

 brown at base, veined with green and copiously dotted 



CYPRIPEDIUM 



433 



with reddish brown; labellum dull brown-purple; in- 

 folded lobes brig'.ter, with raised dots; staminode reni- 

 form-subrotund, horns straight. June, July. Malay 

 Peninsula. l.H. 12:429. F.S. 19:1996. A.F. 7:707. R. 

 H. 1871, p. 596. 



9. Ciirtisii, Reichb. f. Lvs. broadly oval oblong or 

 narrowly oblong, pale green tessellated with darker 

 green, pale beneath: scapes about 1 ft. high, reddish 

 brown: ovary subtended by a small bract; upper sepal 

 lisproportionately large, broadly ovate, greenish with a 

 white margin, tinged with brown-purple at the base, green 

 veined with brown and green: petals ligulate, deflexed, 

 dull brown-purple or brownish green at the base, veined 

 with green, pale along the median vein, and thickly 

 dotted with red -brown; margins ciliate; labellum large, 

 dull reddish brown, infolded lobes paler, dotted; stami- 

 node reniform. May-July. Sumatra. A.F. 6: 557. Gng. 

 1: 41. — C ciliolare and C. superbiens are very closely 

 related. 



10. tdnsum, Reichb. f. Lvs. ovate-oblong, pale green 

 conspicuously maculate with dark green, pale beneath 

 or spotted toward the base: scapes 12 in. or more long, 

 brownish green: ovary pale green, subtended by a small 

 bract ; upper sepal broadly obovate, with wide base, ab- 

 ruptly acuminate, whitish, often with blush rose suft'u- 

 sion ; veins green ; petals broad, devoid of marginal hairs, 

 oblong ovate or subspatulate, green, median nerve paler 

 green, with a row of large reddish brown spots, other 

 veins brownish, giving a tinge of brown to adjacent 

 tissue ; labellum large, compressed dorsiventrally, 

 brownish; infolded lobes pale yellowish green, with 

 raised pale dots; staminode crescent-shaped, the horns 

 strongly oblique. Autumn. Mountains of Sumatra. 



11. veniistum, Wall. Lvs. oblong, dull purple beneath, 

 upper surface pale green, marbled with dark green: 

 scapes about 8 in. tall: ovary subtended by a bract 

 which sheaths it for half its length; dorsal sepal ovate, 

 white veined with green; petals green at base, dull 

 purple toward the extremities, provided with several 

 blackish warts ; labellum pale green, conspicuously veined 

 with emerald-green, infolded lobes paler ; staminode 

 crescent-shaped. January-March. India. B.M. 2129. 



CCC. Upper sepal distinctly veined with green: spots 

 on the petals, if any, few. 



12. Day&nam, Reichb. f. (C. Petri. Reichb. f.). Lvs. 

 oblong, pale green, remotely cross-veined with dark 

 green, pale beneath: scapes reddish brown; upper sepal 

 ovate, acuminate, whitish, veined with green, upper 

 margin recurved ; petals brownish green at base, salmon- 

 pink toward the apices, uppermargins obscurely spotted, 

 ciliate with dull crimson hairs ; labellum roughish, dusty- 

 looking, infolding portion greenish, with dull crimson- 

 brown warts ; staminode oblong. Borneo. May, June. 

 F.S. 15: 1527. 



].!. Javanicum, Reinw. Lvs. oblong, pale, maculate 

 with (l:ii'k tjreen: scape greenish, 1- or 2-flowered: ovary 

 sul)liju(lid by a small bract; upper sepal ovate acuminate, 

 greenish white veined with green, lower margin rpflr-xed; 

 petals oblong, greenish, with flue blackish dots. 1,, .oni- 

 ing purplish or pale rose color at the a]>i<'ts, ciliati' on 

 the margins; labellum darker green than the i»ft;ils, in- 

 folded lobes pale green, but variously dotted; staminode 

 reniform-subrotund. Java. — Var. vlrens, Hort., is 

 smaller, the green color more pronounced. 



cccc. Upper sepal not distinctly veined with green, but 

 more or less with purple. 



14. Mastersiilnum, Reichb. f. Lvs. oblong, remotely 

 tessellated: scape tall, brown-purple, ovary subtended 

 by a short bract; upper sepal orbicular, acute, bright 

 green with a greenish white or yellowish border, veined 

 with greenish brown; petals spreading', brownish, paler 

 at and toward the base, and pruvidi-d with bhickish 

 warts on the upper margin and median vein: htbtlluni 

 large, brownish, infolded lobes paler, with dull purple 

 spots ; staminode crescent-shaped, horns converging. 

 Java. G.C. III. 15: 593; 25: 274. B.M. 7629, as a Paphio- 

 pedilum. 



15. Hookerae, Reichb. f. Lvs. variegated dull green 

 and greenish white, pale beneath, ovate oblong: scapes 

 tall, slender: upper sepal rotund, acuminate, green, with 



