ORCHIDS. 



379 



The plant here described is a strong grower, and 

 enjoys plenty of root-room. The pots should be 

 well drained, and the plants potted in a mixture of 

 equal parts of loam, leaf-mould, and peat, to which 

 add a little sharp sand to keep it porous. 

 Peristerias enjoy strong heat, and a boun- 

 tiful supply of water during the period of 

 growth, but if the plants are strong it 



each measuring one to two inches across, and deli- 

 ciously fragrant. Svmmer months. Panama. 



Pescatoria.— This genus was founded to keep 

 alive the memory of that zealous Orchid- 

 ologist, M, Pescatore, of St. Cloud ; it is, 

 however, now more correctly included 

 under Ztjfjopetalum. In general appearance 



should be entirel}^ withheld 

 during the cool or resting 

 season. Brazilian House. 



P. elata. — A bold-growing plant, with pseudo-bulbs 

 as large as a Spanish Onion when well grown, bear- 

 ing several large plicate leaves, some three feet 

 high, upwards of six inches broad, and deep green. 

 The pedimcle is erect, springing from the base of 

 the pseudo-bulbs, and rises to a height of three or 

 four feet, or more, bearing towards the upper part 

 numerous globose waxy flowers of great substance, 



Pachtstoma Thomsonianum 



they very much resemble 

 Huntley a, and they re- 

 quire the same treatment. 

 P. Dayana.~A. variable plant ; leaves arranged in a 

 two-ranked fashion, eight or ten inches long, about 

 two in breadth. Flowers solitary, on short, stout 

 peduncles, and measuring about two inches and a 

 half across. Sepals larger than the petals, waxy- 

 white, tipped with violet. Lip deep crimson, white 

 in front ; at the base is a plaited callosity of a deep 

 violet. Summer and autumn. New Grenada. 



