462 oechid-geoweb's manual. 



in colour as those of that plant. Its pseudobulbs are ovate, 

 two-edged, dark green tinted with violet, the leaves ligulate 

 oblong bluntish, and the flowers in drooping racemes, each 

 flower about an inch across, rosy carmine with the tip of the 

 column white. The sepals and petals are oblong-elliptic, the 

 lip cuneate at the base, three-lobed, the lateral lobes small 

 enclosing the disk, which bears a four-lobed callus, the middle 

 lobe longer, linear, dilated at the end. It flowers during the 

 winter months, producing from twelve to twenty flowers on 

 each raceme, and it remains in beauty for a considerable time. 

 The cool house suits it best. — Peru. 



YiG.—Bot. Mag., t. 6084 ; Illust. Eort., 3 ser., t. 66 : Batem., Mon. Odont., 

 t. 22. 



Syn. — Mesospinidium roseuin, 



0. Rossii, Lindley. — A very pretty and desirable little Orchid 

 of dwarf habit, growing some six or eight inches high. Its 

 pseudobulbs are tufted ovate and ancipitous, its leaves oblong 

 lanceolate, and its flowers borne on radical one or two- 

 flowered scapes. The flowers are about two inches ia 

 diameter ; the sepals are linear-lanceolate acuminate, keeled, 

 greenish yellow transversely barred with brown, the petals 

 are oblong obtuse, revolute at the tips, white with a dark 

 purple spot at the base, and the lip is roundish ovate 

 emarginate, with a cup-shaped fleshy yellow crest, with two 

 blunt teeth in front. The plant produces its white and purple 

 flowers during the winter, and lasts long in beaut3\ It is best 

 grown in a basket, or on a block, but should always be kept 

 moist. — Mexico. 



'Em.—Bot. Reg., 1839, t. 48 ; Maund, Botanist,^, t. 222 ; Moore, III. Orch. 

 PL, Odontoglossum, 3 ; Knowles and tVestc. Floral Cab., t. 129. 



Stn. — 0. acuminatum, 0. apierum. 



0. Eossii majus, Van Houtte. — This is a superb variety of 

 0. PlossU, having the growth somewhat more robust, and the 

 deliciously fragrant flowers vastly superior in size, often 

 measuring as much as three inches or upwards in diameter, 

 and two or three blossoms being frequently borne upon each 

 spike; petals white, having a few purpUsh crimson blotches 

 towards the base ; sepals also white beautifully striped with 

 transverse bars of purplish crimson ; lip large, cordate, and 

 pure white, the column being in some varieties purple, in others 

 yellow. It blooms during mid-winter, lasting a very long 

 time in full beauty. — Mexico. 



Tia— Flore des Serres, t. 2110 ; Warner, Sel. Orch. PI, iii. t. 15. 



