OKCHLDS FOR THE GREENHOUSE, &C. 621 



are .large, six inches in depth, the dorsal sepal and two 

 petals linear-lanceolate, three inches long, whitish at the 

 hase, then green with the centre marked with dull brownish 

 purple ; the lip is ovate recurved, nearly three inches long, 

 white, yellowish behind the disk, which bears a small ungulate 

 frill or ruff of pale lilac-purple, about ten lines of the same 

 colour radiating from it towards the front. — Denierara. 



Fig.— But. Mag., t. 2819 ; Orchid Album, ii. t. 78. 



Syn. — Zygosepalon rostratum, 



Z. Sedenii, Bchh.f. — A distinct and showy hybrid, between 

 Z. maxillare and Z. Machayi, partaking in its growth most 

 of the character of the last-named or male parent. It has 

 narrow lanceolate plaited leaves, and bold racemes of large 

 showy flowers, of which the sepals and petals are deep 

 purphsh brown, with a very narrow even border of pale green, 

 and not barred or blotched as in the parents ; the lip is broad 

 roundish emarginate, rich bluish purple, deeper towards the 

 base, and breaking out into forked veins near the margin ; 

 the frill or ruff is bold and of a bluish purple. — Garden 

 liybrid. 



Fig.— Floral Mag., 2 ser., t. 417; Gartenflora, 1883, 280, with fig. 



ORCHIDS FOR THE GREENHOUSE, COLD FRAME, 

 OR PIT. 



E are glad to find that the remarks made in former 

 editions of this work have induced many persons 

 to turn their attention to these beautiful plants, for 

 there are many Orchids, which yield most exquisite flowers, 

 that will thrive without any artificial heat. Orchid growers 

 too often set on one side all those which do not succeed without 

 warm treatment. Our object in introducing the subject is 

 to bring into notice some of those beautiful terrestrial plants 

 from the South of Africa, North America, the South of 

 Europe, and Australia, which at present are only seen at rare 

 intervals, but which when seen are always admired. Their 



