64 



ZYGOPETALUM. 



erect, fleshy plate toothed at the edge and with a tubercle on the 



inner side, Cohimn tri(iuetral, bent, concave below the stigma. 



Z3'gopetalum xanthinum, Rchb. in Walp. Ann. VI. p. 659 (1863). Sander's 

 Eeichoihachia, 2nd ser. 1. t. 11. Z. citrinum, Nicholson, Diet. Gard. IV. p. 245. 

 Rolfe in Gard. Chron. III. s. 3 (1888), p. 94. Promenjea xantliiua, Lindl. in 

 Bot. Reg. 1843, misc. p. 13. P. citrina, Don. Hort. Camb. ed. 13, p. 720 (1845), 

 ex AVilliams' Orch. Alb. I. t. 7. Maxillaria xanthiiia, Lindl. in. Bot. Reg. 1839, 

 sub. t. 17. 





-J 

 I 



Zygopetalum xanthinum , 



This is one of the prettiest and most distinct of the genus ; it 

 is free flowering and of easy culture, and on account of its dwarf 

 habit, occupying but little space. It has long been known in 

 gardens as Promencca cifri)ia, for Lindley's original name, xanthina, 

 which is equally appropriate, seems to have been lost sight of for 



