oblongo denso, sepalis lineari-oblongis sequalibus reflexis 
basibus lateralium paulo obliquis, petalis ovatis erectis 
supra columnam conniventibus, labello replicato retrorsum 
arcuato cuneato trilobo : lobis lateralibus deflexis venosis 
intermedio carnosiose cuspidato subtrilobo. Central 
America. Flowers deep purple, on a close erect raceme. 
2. M. lineatum (Bateman in Bot. Beg. 1841, misc. no. 107* 
1842, t. 43.) ; racemo elongato multifloro, sepalis petalis- 
que oblongo-linearibus abrupte acutis margine reflexis, 
labello lineari incurvo carnoso sparsim piloso versus basin 
utrinque dente nunc brevi nunc elongato aucto, column® 
dorso et margine pubescente. Guatemala. The 
flowers are deliciously fragrant ; when 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 Bot. Reg. 1841, misc. 162.); 
racemo brevi erecto, sepalis petalisque subrotundo-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 maculata, Klotzsch in Gartenzeit. 
no. 39. 1838. — Var. Unicolor , Hooker 1. c. t. 3879. Cata- 
setum citrinum , Hort.) ; foliis elongatis lanceolatis, racemo 
ascendente elongato multifloro, sepalis petalisque lanceo- 
latis acuminatis subsecundis, labello piano conformi acute 
tridentato unguiculato. Mexico. A beautiful spe- 
cies, with bright yellow flowers, spotted with rich brown 
in one variety ; whole coloured with no spots whatever in 
the other. 
5. M. luxatum (Lindl. in Bot. Reg. 1842, misc. 66. 1843, t. 
33.) ; foliis longissimis angustis subtus glaucis racemo ob- 
longo pluries longioribus, sepalis ovato-lanceolatis petalis- 
que oblongis concavis margine subscariosis carnosis in- 
