oblong'o denso, sepalis iineari-obloiigis aequalibus reflexis 

 basibus lateraliiim paulo obliquis, pctalis ovatis erectis 

 supra columnam conniventibus, labello replicato retrorsum 

 arcuato cuneato trilobo: lobis lateralibus deflexis venosis 



intermedio carnosiose cuspidate subtrilobo. Central 



America. Flowers deep purple, on a close erect raceme. 



2. M. lineatum (Bateman in Bot. Reg. 1841, misc. no. IO7. 



1842, t. 43.) ; racemo elongate multifloro, sepalis petalis- 

 que oblongo-linearibus abrupte acutis margine reflexis, 

 labello lineari incurvo carnoso sparsim piloso versus basin 

 utrinque dente nunc brevi nunc elongate aucto, columnse 



dorso et margine pubescente. Guatemala.- The 



flowers are delicieusly fragrant ; Avhen they first appear 

 they are dull olive green ; they afterwards acquire a bright 

 warm yellow tint, and the markings upon them increase 

 in intensity till they have become orange-red. 



3. M. aromaticum (Lindl. in Bet. Reg. 1841, misc. 162.); 

 raceme brevi erecte, sepalis petalisque subretundo-ovatis 

 acutis secundis concavis, labello anguste cuneato convexo 



lacinia intermedia triangulari acuminata cucullata. 



Mexico. This has flowers with a pale pinkish ground 



sown thickly with dull wine-red specks, and a powerful 

 odour like that of aromatic vinegar. It differs from M. 

 pardinum in the small size of its flowers, and the very dis- 

 similar form of the lip and floral envelopes. 



4. M. pardinum (Bateman Orch. Mexic. t. 14. Hooker Bot. 



Mag. t. 3900. Cyclosia 7naculata, Klotzsch in Gartenzeit. 

 no. 39. 1838.— Var. Unicolor, Hooker 1. c. t. 3879. Cata- 

 setum citrinumy Hert.) ; foliis elongatis lanceolatis, racemo 

 ascendente elongate multifloro, sepalis petalisque lanceo- 

 latis acuminatis subsecundis, labello plane conformi acute 

 tridentato unguiculato. Mexico. A beautiful spe- 

 cies, with bright yellow flowers, spotted wath rich brown 

 in one variety ; whole coloured with no spots whatever in 

 the other. 



5. M. luxatum (Lindl. in Bot. Reg. 1842, misc. Q6. 1843, t. 



SS.")', foliis longissimis angustis subtus glaucis racemo ob- 

 longo pluries longioribus, sepalis ovato-lanceolatis petalis- 

 que oblongis concavis margine subscariosis carnosis in- 



