588 okchid-gkower's manual. 



Culture. — These plants should be grown on a block, or in a 

 small basket, and treated to a moderately cool temperature ; 

 care must especially be taken that no stagnant water remains 

 about their roots. 



T. albopurpureum, Linden mid Echb. f. — A pretty dwarf 

 epiphyte, having minute ovoid monophyllous pseudobulbs 

 growing in tufts, and sessile oblong acute shining green leaves, 

 four to six inches long, the one-flowered peduncles springing 

 from the base of the bulbs. The flowers are large for the 

 size of the plant, and freely produced ; the cuneate oblong 

 sepals and the more oblong petals are of a bright cinnamon- 

 brown inside, tawny yellow outside ; while the lip is large, 

 projected forwards, pandurate, broad and bilobed in front, 

 white, with two large purple spots near the base, the disk 

 veined with rosy purple passing to yellow, and having a crest 

 of four rosy purple keels. It should be grown at the cool end 

 of the Cattleya house. — North Brazil. 



'FlG.—Bot. Mag., t. 5688 ; Orchid Album, v.t. 204 ; Gard. Chron., 1866, 

 219, with fig. 



T. OrtllOplectroil, Bchh. f. — A curious and beautiful epiphyte, 

 of dwarf habit. The flowers are large ; the cuneate-oblong 

 sepals' and petals are light cinnamon brown, tipped with 

 yellow, and the lip is large, subquadrate, emarginate, blunt- 

 angled, white, with a crimson lake blotch on each side of the 

 base, and five bars or semiabortive keels of the same colour 

 between the blotches, the disk in front of the crest being 

 yellow. The spur is straight and tapered off to an acute 

 point. It flowers in October, and was exhibited by W. Lee, 

 Esq., Downside, Leatherhead, at the Royal Horticultural 

 Society's Meeting in October, 1883. — South America. 



T. porphyrio, Bchb. f. — A very handsome species, with 

 dwarf scarcely pseudobulbous stems, cuneate-oblong leaves, 

 and peduncles bearing each a solitary flower about two inches 

 in diameter ; the sepals and petals are cuneate-oblong acute, 

 brown margined and tipped unequally with yellow ; the lip 

 is pandurately flabellate, emarginate, of a rich magenta-purple, 

 faintly margined with white towards the point, and having a 

 rectangular sulphur yellow blotch on the disk in front of the 

 three purple lines of the crest ; the spur is bent and attenuated, 

 and the column bears falcate auricles. — South America. 



'FiG.—lllust. Hort, 3 ser., t. 508. 



