79 



floribus capitatls ovariisque pubescentibus, capitulo disticbo sexfloro basi 

 vaginato, sepalis hiautibus erectis inferioribus in uiium oblongum rotun- 

 datuni supremo brevius connatis : supremo angustiore subpanduriformi, 

 petalis lineari-oblougis ciliatis, labello crasso calceiformi serrukto mar- 

 gine calloso. Mexico. Flowers small, dull dirty brownisb yellow. 



7-i. V. Poppiyii (Lindl. in Comp. to Bot. Mag. 2. Myoxanthiis monophyllus, 

 Poppig, t. 88.) ; folio lanceolato emarginato, sepalis setaceo-acuminatis 

 lateralibus basi connatis, petalis conlbrmibus, labello lineari-lanceolato 



obtuso pcdiproducto columnas adnato, ovario pubescente. Peru. 



Mycxantbus dilFers from Pleiirotballis in nolliing except tbe lengtbened 

 base of the column ; but this is variable in degree throughout the most 

 genuine species of Pleurothallis, and in P. succosa, Mathewsii, petio- 

 laris, &c. exists as strongly as in iMyoxanthus. 



7.3. p. affinis (Lindl. in Comp. to Bot. Mag. 2.); folio lanceolato tridentato, se- 

 palis setaceo-acuminatis liberis, petalis conformibus, labello ovato-oblongo 

 obtuso pedi producto columnae adnato, ovario pubescente- Peru. 



7G. P. ruscifolia (L. no. 1. Hook. Ex. fl. t. 19/.); folio ovali-lanceolato caulis 

 longitudine, floribus fasciculatis, spatlia bivalvi, pedicellis 2-3-bracteatis 

 filiformibus floribus longioribus, sepalis ovato-lanceolatis : lateralibus 

 connatis, petalis lineari-lanceolatis minoribus, labello oblongo uudulato 

 obtuso. Jamaica. 



77. V . muscifera ; caulis vaginis maculatis, folio oblongo-lanceolato obtuso, 

 sepalo supremo acuminatissimo obtuso lateralibus brevioribus ultra dimi- 

 dium connatis lanceolatis, petalis linearibus clavatis patentissirais, labello 



lineari repando basi concavo apice carnoso. Guatemala. A very 



curious species, with the flowers more patent than in any other. 



7'S. P. bidentata (Lindl in Bot. Reg. sub t. 1797.) ; rhizomate repenti fili- 

 formi, caulibus ascendentibus folio oblongo-lanceolato apice bi-tridentato 

 longioribus, floribus pedicellatis subsolitariis, sepalis ecarinatis, labello 



lineari obtuso apice ciliato. Rio Janeiro. A creeping species, with 



very small flowers. 



79. P. angustifolia (Lindl. in Bot. Reg. sub t. 1797.); rhizomate repenti 

 fihformi, caulibus ascendentibus folio lineari-lanceolato longioribus, flori- 

 bus pedicellatis subsolitariis, sepalis carinatis, petalis lanceolatis denti- 

 culatis, labello lineari acuto marginibus pone basin incrassatis. — — 

 Mexico. Very like the last, but much smaller. 



80. P. glanduliyera (Lindl. in Comp. to Bot. Mag. 2.) ; folio ovali carnoso 

 tridentato racemis brevibus 2-3-floris fasciculatis triplo longiore, calycis 

 bilabiati sepalis carnosis basi connatis lateralibus agglutinatis supremo 

 oblongo brevioribus, petalis lanceolatis serratis, labello ovato unguiculato 

 obtuso apice piloso basi utrinque auriculato : auriculis minimis triglandu- 



losis. Rio Janeiro. Flowers pale yellowish green, faintly streaked 



with dull purple. 



81. P. orhiculai'is (Specklinia orbicidaiis, Lindl. in Bot. Reg. 1838. misc. 41.); 

 folio subrotundo-ovato emarginato caule breviore, floribus fasciculatis, 

 sepalis lineari-oblongis glabris inferiore bipartito, petalis ellipticis acutis 

 serratis, labello ovato rostrato basi concavo apice ciliato obtuso, columna 

 apice serrata . T)em erara . 



82. P. discoidea (Lindl. in Bot. Reg. sub t. 1797.); caulibus strictis folio 



ovato- lanceolato brevioribus, pedunculis solitariis unifloris, sepalis ob- 

 longis acutis lateralibus omnino connatis, petalis linearibus acuminatis 

 decurvis, labello cordato -ovato undulato obtusiusculo sepalis subsequaU. 



Trinidad. Flowers yellow with a sanguine spot, which is oblong 



and two-toothed, in the middle of the lip. 



