ANGR.ECUM 



ANGULOA 



289 



BB. Plant larger than above: ./?.■{. numerous, in racemes 



usually longer than the Ivs. 



c. Fls. while or tinged mith yellow. 



D. Lip acute. 

 E. Spur less than 5 in. long, white. 

 F. Sepals lanceolate: fls. about 1 in. across; spur 

 2-3 in. long. 

 modestum, Hook. f. (A. Sanderianum, Reichb. f.). 

 Lvs. oblong to obo\'ate-oblong, acutish to emarginate, 

 3-6 in. long: racemes of numerous pure white fls. on 

 orange pedicels; sepals lanceolate; petals ovate-lanceo- 

 late; lip broadly ovate. Madagascar and Comoro Isls 

 B.M.6693. Lind. 2:92. R.H. 18SS, p. .516. R.B. 1.5 

 217. A.F. 22:951; 35:381. O.R. 8:152; 12:337. O. 4 

 f. 24. 



FF. Sepals elliptic: fls. about i):j 

 3-4 in. long. 

 articulatum, Reichb. (.i. descendens, Reichb 

 Lvs. oval to obovate-oblong, 3-5 in. long, emar- 

 ginate or 2-lobed: racemes pendulous, of numer- 

 ous pure white fls. on pale orange pedicels; sepals 

 and petals elliptic-oblong, acute, the lateral sepals 

 narrower; lip broadly oblong-oval, acute; spur 

 3^ in. long. Madagascar. 



EE. Spur 6-7 in. long, 

 tinged mth orange- 

 red. 

 EUisii, Reichb. Sts. 



up to 1 ft. high: lvs. 



narrow, oblong, 5 



in. long, emarginate 



or bilobed at apex: 



racemes pendulous, 



of 12 or more pure 



white fls.; .sepals and 



petals elliptic-oblong, 



acute, the dorsal 



sepal inflexed at the 



summit, the lateral 



reflexed; lip oblong- 

 elliptic, acute; spur 



slender, tinged with 



orange-red. Mada- 

 gascar. G.C. II. 3: 



277. F.M. 1875:191. 



O.R. 7:81. 



DD. Lip emarginate or 



2-lobed at apex. 



citratum, Thouars. 

 Sts. 3-4 in. high: lvs. 

 oblong-ovate, 3-5 in. 

 long, acute or lobed 

 at the apex: racemes pendulous, of 12 or more white or 

 pale straw-color fls.; sepals obovate, obtuse; petals 

 oblong-elliptic; lip flat, nearly orbicular, emarginate; 

 spur slender. Madagascar. B.M. 5624. I.H. 33:592. 

 Lind. 5:2.38. 



cc. Fls. with green sepals and petals; lip white. 



superbum, Thouars (.4. eburneum, Lindl.). Fig. 207. 

 Sts. up to 4 ft. or more long: Ivs. up to 2 ft. long, 2 in. 

 wide, coriaceous: racemes ascending, with 8 or more 

 fls.; sepals and petals spreading, green, lanceolate; 

 lip white, orbicular, fleshy, abruptly acuminate; spur 

 green. Madagascar. B.M. 4761. B.R. 1.522. Var. 

 virens, Veitch (.4. Arens, Lindl.). Differs from the 

 type in its smaller fls. with the labellum tinged green. 

 B.M. 5170. 



A. nuQuMitm, Rolfe fA. Augustii) Allied to A. Kotschyi. Lvs. 

 thick and fles-hy, glaucous green: fls. in arched raceme, pure white, 

 spur pale green. G.C. III. 4.5: Feb. 6. Suppl. O.R. 1908:246. 

 Rhodesia. — .4. bilobum. Lindl. Racemes of G-IO fls, about 1 in. 

 across, the sepals, petals and lips nearly alike, lanceolate-acuminate, 

 the spur pale orange-red. W. Afr. J.H. IIL 43:483. — .4. Buyssdnii, 

 God. Resembles A. articulatum: fls. pure white; brown spura. 



19 



Madagascar. — .4. caudatum, LindL ^LLstroatachys caudata. — 

 A. Chailludnum, Hook. =Liatrostachy3 Chailluanum. — A. distichum, 

 Lindl. ^Myatacidium distichum. — .4. Eihleridnum, Kranzl. (A. 

 Arnoldianum, DeWild). St. elongated; !v3. distant: fls. large, soli- 

 tary; sepals and petals oval-lanceolate, acuminate: lip large, extin- 

 guisher-shaped, emarginate and apiculate at the summit; spur about 

 as long as lateral sepals. Afr. B.M. 7813. A.F. 25:79. Gng. 13: 

 377. — A. cxpdnsum, Thouars. Fls. white, of peculiar form; spur 

 longer than perianth segms. Mascarene Isls. — A. fastudsum, 

 Reichb. St. 1-2 in. high: racemes of 2—4 fls. about IH in. diam., 

 pure white, the slender spur about 3 in. long. Madagascar. J.H. 

 III. 42:297. — A.fuscdtum, Reichb. Sts. short: racemes of numerous 

 fls., 1-1 ! 2 in. across, cream-white, the lip oblong, acuminate 

 abruptly, the slender spur about 3 in. long. Madagascar. Gn. 37, p. 

 01. — .4. Humhldtii, Reichb. ^Macroplectrum Leonis. — A. ichneumd- 

 neum, Lindl. ^Listrostachys ichneumoneum. — .4. infundlbutare, 

 Lindl. Sts. long: fls. large, solitary; sepals and petals pale yellow; 

 lip funnel-shaped, 2 •-2-3 in. long, white with a green throat, the 

 curved spur 3-5 in. long. W. Afr. B.M, 8153. 0.0.111.36:1.30. 

 O.M. 47:629. Gn. 66, p. 109. J.H. III. 49:219; 59:387.—^. Kol- 

 schi/i, Reichb. Lvs. obovate-oblong, 3-7 in. long: 

 raceme of 6-10 white fls., 1 '2 in. across, the ovate- 

 oblong dorsal sepals and petals reflexed, the spread- 

 ing lateral sepals lanceolate: lip nearly rhomboid, 

 with a broad claw; spur pale brown, up to 9 in. long. 

 E. Afr. G.C. II. 14:693; 111.39:379; 111.46:221. 

 Gn. 31, p. 323; 37, p. 101; 75, p, 583.— .4. Lednis, 

 Veitcb=MacropIectrum Leonis. — A. peltucidum, 

 Lindl = Listrostachys pellucida. — A. pertiisum, 

 Lindl. ^Listrostachyapertusa. — A . Hothschildidnuin. 

 J. O'Brien. Sts. 3-6 in.: lvs. ovate, 4-8 in. long: 

 racemes of 10-12 fragrant white fls. .with a pale green 

 band along the sepals and petals, the lip white 

 with an emerald center and black-purple throat, the 

 spur green with a brown tip. Cent. Afr. G.C. III. 

 34:131.-/1. Schcfferi, 

 Hort. Scarcely 8 in. high : 

 fls. long, reddish brown. 

 German E. Afr. Var. 

 virens differs from the 

 type in having all the 

 vegetative parts green. — 

 A. sesquipeddlg ^ Macro- 

 plectrum sesquipedale. 



George V. Nash. 



ANGULOA (dedi- 

 cated to Don Fran- 

 cisco de Angulo). 

 Orchidacese. Stout 

 coolhouse orchids, 

 with large pseudo- 

 bulbs, the scales at the 

 base passing into lvs. 

 Leaves large, pli- 

 cately nerved: scapes 

 from the base of the 

 pseudobulbs, clothed 

 with large lax 

 sheaths; fls. sub- 

 globular; sepals and 

 petals connivent, 

 fleshy ; lip shorter 

 than sepals and pet- 

 als, 3-lobed, the mid- 

 dle lobe much smaller 

 than the lateral lobes, linear and recurved, or broader 

 and 2-lipped. — Species 3, all in cult., natives of S. 

 American Andes, at elevations of 5,000-7,000 ft. 



This interesting genus comprises but few species, 

 but these are singular, since all are well worthy of cul- 

 ture. Coming from the Andes of Colombia, a moderate 

 temperature of 50° in winter will be ample for their 

 needs, and a cool, shaded structure in summer, as the 

 foliage is easily scorched by direct sunlight in hot 

 weather. The peculiar .structure of the flowers has 

 given the popular name of "boat orchid," which sug- 

 gests the general shape. This, together with the fra- 

 grance, and the hinged lip, which oscillates with the 

 least movement, makes the plants very interesting 

 when in bloom. The anguloas are rather terrestrial 

 than epiphytal. The culture is very simple if, as a 

 potting compost, a mixture is used containing some 

 soil with the fiber and some sphagnum moss as a sur- 

 facing, the potting being very firm. Propagation ia 

 simple by division of the bulbs. The old back ones may be 

 severed at the creeping rhizome after the new growth 



207. AngTEecum superbum. ( x H) 



