ZYGOPETALUM. 245 



leucochilum. 0. R., Dec., '93, states (Mackayi ? X 

 Burkei). Veitch in litt., Feb. 24, '93, writes syn. 

 Burkei. 



Murrayanum Gardner. Said to be a nat. hyb. Sent by 

 Gardner from Brazil. Appeared 1839. fg. Bot. Mag., 

 t. 3674. 



Sedenii Rchb. f. (maxillare ? X Mackayi). Seden, for 

 Veitch. G. Ch., 1874, p. 290. fg. V. M., '93. Jrl. 

 Hrt., May 11, '93. 



var. pentachromum Rchb. f. (Mackayi ? ). Seden, 

 for Veitch. G. Ch., April 25, '85. Sown 1876; 

 flowered first 1885. 



