LIST OF COOL ORCHIDS. 133 



purple in the centre, with a pure white margin ; strongly 

 perfumed ; grows well in a pot in fibrous peat and living 

 sphagnum moss. 



Z. brachypetalum. A very handsome Brazilian species, 

 having brown sepals and petals marked with green, and a deep 

 violet-coloured lip, streaked with white. It flowers in De- 

 cember, lasting from three to four weeks in beauty. It is a 

 very beautiful and easily- grown plant. 



Z. crinitum (Brazil). A strong-growing plant, which com- 

 mences to grow about November, producing stout, erect 

 spikes, bearing from five to seven large flowers. Sepals and 

 petals pale green, barred with brown ; lip white, with slightly 

 divergent hairy lines, of a decided purplish blue colour. 



*Z. Gautierii (St. Catharine, Brazil). This striking species 

 somewhat resembles Z.maxillare in habit, but has much larger 

 flowers. Flowers on an erect spike ; sepals and petals bright 

 green, heavily blotched with brown ; lip very broad, cordate, 

 or nearly reniform, pure white, the crest being stained with 

 very rich violet purple. Nearly all the species of this genus 

 have green and brown sepals and petals, the white ground 

 colour of the lip being marked with purple. 



Z. gramineum. This is a rare plant, which is only to be found, 

 I believe, in the collection of Lord Egerton, at Tatton Park. It 

 has narrow, grass-like foliage, and short spikes, bearing three 

 or four white and purple flowers. 



Z. MackayL A handsome and well-known plant, bearing 

 numerous long spikes of flowers during the dull winter 

 months. Sepals and petals greenish yellow, heavily blotched 

 with dark brown ; lip white, streaked and blotched with violet 

 purple. It lasts in beauty from four to six weeks, and grows 

 best in a pot in a compost of peat, charcoal, sphagnum, and 

 crocks. Requires watering freely when making its growth 

 during the spring and summer months. There are several 



