66 ZYGOPETALUM. 



Z. Lindenii. 



Pseiido-bnlbs none. Leaves ligulate or broadly oblanceolate, acute, 

 narrowed and conduplicate at the base, 7 — 9 inches long. Peduncles 

 very short, pale green, one-flowered ; bracts sheathing, lanceolate, acute, 

 ^ inch long. Flowers 3 inches across vertically, white with some 

 longitudinal and rayed purple streaks on the disk of the lip ; sepals 

 and petals lanceolate, acuminate, the lateral sepals a little longer than 

 the dorsal one ; lip obscurely three-lobed, broadly obcordate or sub- 

 orbicular with crenulate margin, the basal lobes small, triangular, 

 incurved ; crest broadly triangular, l)i-cus[)idate. Column triquetral, bent. 



ZygopetaUim Lindenii, Rolfe in Lindcnia VIII. t. 337. Warscewiczella Lindenii, 

 Journ. of Hort. June, 1892. p. 461, icon. xyl. 



A handsome species belonging to the section Warscewiczella, 

 recently introduced by L'Horticulture Internationale of Brussels, and 

 exhibited at a meeting of the Royal Horticultural Society of England 

 on June 7tli, 1892. Its habitat has not been divulged. 



Mackayi. 



Pseudo-bulbs ovoid, 2 — 3 inches long, much wrinkled when old, 



di-triphyllous. Leaves linear-lanceolate, sub-acuminate, conduplicate at 



base, 12 — 20 inches long, distinctly nerved. Scapes stoutish, 20 — 30 



or more inches long, 5 — 7 or more flowered ; bracts somewhat inflated, 



ovate, acute, nearly as long as the ovaries. Flowers distant, 3 inches 



across vertically ; sepals and petals similar and equal, ligulate- 



lanceolate, acute, light yellow-green blotched with purplish brown ; lip 



broadly clawed, auricled at the base, and then suddenly enlarged into 



a broad fan-shaped, emarginate blade, white spotted and streaked with 



violet-purple, the streaks and spots often arranged in radiating lines ; 



crest horse-shoe shaped, regularly ridged and furrowed, toothed along 



the front margin. Column clavate, triquetral, yellow-green spotted with 



red-brown, whitish below the stigma. 



Zygopetalum Mackayi, Hook, in Bot. Mag. t. 2748 (1827). Lindl. Gen. et. Sp. 

 Orch. p. 187. Id. in Bot.. Reg. 1844, misc. No, 15. Rchb. in Walp. Ann. VL 

 p. 661. "Williams' Orch. Alb. IX. t. 427. Eulophia Mackaiana, Lindl. in Bot. Reg. 

 t. 1433 (1831). 



var.— crinitum. 



FloAvers usually smaller; the veins of the labellum fringed with short 

 papillose bristles that are sometimes violet-blue, sometimes red-crimson ; 

 marginal area pure Avhite. 



Z. Mackayi crinitum, Lindl. Gen. et Sp. Orch., p. 187. Bot. 3Iag. t. 3402. 



Z. criuitum, Lodd. Bot. Cab. t. 1687. Lindl. in Bot. Reg. 1844. misc. No. 15. 



Rchb. in Walp. Ann. VL p. 661. Williams' Orch. Alb. IX. t. 410. The Garden, 

 XLII. (1892) t. 870. 



