STAXHOPEA 



STAXHOPEA 



3223 



atrata, 9. 

 a urea, 2. 

 bicolor, 10. 

 Bucephalus, 5. 

 calciolata, 1. 

 devoniensis, 8. 

 eburnea, 1. 

 ecornuta, 12. 



INDEX. 



grandi flora, 1, 5. 

 guttulata, 3. 

 insignia, 6. 

 lutescens, 9. 

 maculosa, 8. 

 Martiana, 10. 

 oculata, 3. 



platyceras, 4. 

 saccata, 11. 

 Shuttleworthii, 7. 

 sp endens, 9. 

 super ba, 9. 

 tiprina, 9. 

 Wardli. 2. 



KEY TO THE SPECIES. 



A. Labellum with an cxcarated or saccate 

 base and a plane terminal lobe. 



B. Mesochil and pleuridia wanting 1. eburnea 



BB. Mesochil and pleuridia present. 



c. Hypochil boat-shaped, short and 



sessile 2. Wardu 



cc. Hypochil boats-shaped, long and 



stalked. 

 D. Fls. pale yellow. 



E. The hypochil white, crimson- 

 spotted, urith 2 large brown 



basal spots 3. oculata 



EE. The hypochil purplish crimson 



inside 4. platyceras 



DD. Fls. orange 5. Bucephalus 



ccc. Hypochil saccate or globose. 



D. Epichil entire or obsolctcly 3- 



toothed at the apex. 

 E. The hypochil spotted. 



F. Purple inside; middle lobe 



cordate 6. insignis 



FF. Xot purple; middle lobe 



triangular 7. Shuttle- 



EE. The hypochil not spotted, pur- [worthii 



pie; middle lobe ovate 8. devoniensis 



DD. Epichil evidently 3-toothed at 



the apex. 



E. Sepals and petals spreading, 

 the former broadly ovate. 



F. Fls. yellow 9. tigrina 



FF. Fls. white 10. Martiana 



EE. Sepals and petals strongly 

 rcflexed, the former oblong- 

 orate or oblong-lanceolate. . . 11. saccata 

 AA. Labellum reduced to a saccate pouch. . . . 12. ecornuta 



1. eburnea, Lindl. (S. grandiflora, Lindl. S. calr 

 ceolata, Hort.). Pseudobulbs conical. 1^ in. long: Ivs. 

 leathery, 8-12 in. long: scapes pendulous, with small 

 bracts, 2-3-fld. : fls. 5 in. across, ivory-white; sepals 

 broad; petals narrow; labellum 3 in. long, solid, fleshy, 

 excavated at the base and bearing 2 hooked horns over 

 the mouth, spotted above with reddish purple; column 

 pale green, with broad wings toward the apex. Guiana. 

 B.M. 3359. B.R. 1529. I.H. 14:531 (as var. spec- 

 tabilis). L.B.C. 15:1414 (as Ceraiochttus grandiflorus). 



2. Wardii, Lodd. Pseudobulbs 2 in. long: Ivs. large, 

 broad, and leathery: fl.-st. 9 in. long, bearing 3-9 

 fls., which are bright yellow to golden orange, spotted 

 with crimson; lateral sepal round-oblong, concave, 

 acute; petals lanceolate, revolute, the cavity in the 

 base of the labellum deep velvety purple. Aug. Mex. 

 and S. B.M. 5289. Gn. 51, p. 28. C.O. 2. Var. aurea, 

 Hort. (S. aiirea, Lodd.). Fls. golden yellow, with 2 dark 

 spots on the hypochil. Fragrant. 



3. oculata, Lindl. (S. guttulata, C. Koch). Fig. 3676. 

 Lvs. ovate, with a blade 1 ft. long: scape 1 ft. long, 

 clothed with scarious pale brown sheaths, 3-6-fld.: fls. 

 5 in. across, very fragrant, pale yellow, thickly spotted 

 with purple; sepals 3 in. long, reflexed; petals half as 

 large; hypochil narrow, white, spotted with crimson and 

 having 2 large dark brown spots near the base. Mex. 

 B.M. 5300. B.R. 1800. L.B.C. 18:1764 (as Cerato- 

 chilus oculatus). S.H. 2, p. 435. G.C. III. 19:264; 43: 

 19; 44:115; 52:121. J.F. 3:309-10. C.O. 6. There are 

 several varieties, differing in color and markings. Fig. 

 3676 is from an article by Safford on "Sacred Flowers 

 of the Aztecs," named "the serpent-head orchid," in 

 The Volta Review. 



4. platyceras, Reichb. f. Pseudobulbs and Ivs. as in 

 S. Bucephalus but stouter: scape 2-fld., with ovate 



acute bracts half as long as the ovary: fls. 7 hi. across, 

 pale yellow, with numerous ring-shaped spots and 

 blotches of purple; sepals triangular-oblong; petals 

 broadly linear, acute; hypochil boat-shaped, 2% in. 

 long; horns 1 in. long, broad, pointing forward, parallel 

 with the tongue-shaped middle lobe; the hypochil is 

 deep purplish crimson inside, paler and spotted outside, 

 the upper part of the labellum colored like the sepals. 

 Colombia. Gn. 33:534. 



5. Bucephalus, Lindl. (S. grandiflora, Reichb. f.). 

 Pseudobulbs crowded, rugose: Ivs. petioled, 9 in. long, 

 pointed: the pendulous raceme bearing 4-6 large, 



3676. Stanhopes oculata, ( X about 



tawny orange fls. marked with large crimson spots; 

 sepals and petals reflexed, the former broad; lower part 

 of the labellum curved, boat-shaped, bearing 2 curved 

 horns and a broad fleshy middle lobe; column green and 

 white, spotted with purple. Aug. Mex., Peru. B.M. 

 5278; 8517. B.R. 31:24. Fls. very fragrant. Dis- 

 tinguished by its very short ovaries. 



6. insignis, Frost. Figs. 3677, 3678. Pseudobulbs 

 clustered: Ivs. broadly lanceolate: scape 6 in. long, 

 covered with dark brown scales, 2-4-fld.: fls. 5 in. 

 across, dull yellow, spotted with purple; sepals broad, 

 concave; petals narrow, wavy; hypochil globose, almost 

 wholly purple inside, heavily spotted outside, horns 1 

 in. long, falcate, middle lobe cordate, keeled. July- 

 Get. Brazil. B.M. 2948. 2949. B.R. 1837. L.B.C. 

 20: 1985. Gng. 2: 117 (from which Fig. 3677 is adapted). 

 G.W. 12, p. 283. Marked by broad wings of column. 



7. Shuttleworthii, Reichb. f. Pseudobulbs large, coni- 

 cal, sulcate: Ivs broadly oblong, acute: raceme pendu- 

 lous, loose: sepals, petals, and base of the labellum 

 apricot-color with dark purplish blotches, front part of 

 the labellum yellowish white; hypochil semi-globose; 

 horns flattened, suberect, terminal lobe triangular; 

 column whitish, green along the middle and spotted 

 with purple in the inside. Colombia. 



8. devoniensis, Lindl. (S. macuLbsa, Knowles & 

 Westc.). Lvs. about 9 in. long: scape pendulous, 2-3- 



