acutissimis, labelli lobis lateralibus ovatis angustis acutis intermedio oblongo 
membranaceo apiculato margine deflexo : callo disci elevato carnoso anticè 
transverso lobos laterales labelli conjungente medio producto truncato trl- 
dentato et denticulis utrinque reflexis posticé fornicato truncato bilobo. 
Brazil; in Messrs. Rollisson's collection. Flowers pale lemon colour ; 
labellum dotted with purple in the middle. Next M. stapelioides. 
M. acicularis; (Herbert mss.) subcaulescens, pseudobulbis subfusiformibus 
sulcatis diphyllis basi squamosis, foliis linearibus acuminatis canaliculatis 
dorso convexis, pedunculis arctissimè squamosis axillaribus unifloris, peri- 
anthio connivente, sepalis petalisque ovatis acutis, petalis obtusioribus, 
labello indiviso oblongo obtuso disco illinito : callo lineari apice rotundato 
integro. Brazil; in the collection of the Hon. and Rev. W. Herbert. 
Flowers purplish chocolate. I only know this from a drawing by Mr. 
Herbert. The structure of the flower requires to be re-examined. The 
pollen I have not seen at all Affinity uncertain, except with M. 
uncata. 
M. uncata; caulescens, pseudobulbis in axillis squamarum membranacearum 
lisque brevioribus teretibus sulcatis monophyllis, foliis linearibus canaliculatis 
obtusis, lateralibus basi maximè productis petalis sepaloque supremo qua- 
druplò majoribus, labello oblongo obtuso carnoso margine crispo membra- 
naceo basi angustato disco unicalloso, columnà apice utrinque uncatá.— 
Demerara ; 1n the collection of Messrs. Loddiges. 
M. chlorantha ; acaulis, pseudobulbis ovalibus compressis monophyllis, foliis 
ligulato-oblongis obtusis lucidis basi, in petiolum canaliculatum angustatis, 
sepalis patulis subaqualibus linearibus acutis lateralibus basi parüm 
obliquis, petalis linearibus conniventibus, labelli trilobi oblongi lobis latera- 
libus nanis obtusis planis intermedio producto ovato carnoso granulato 
crispo: callo solitario ovato. Demerara ; in the collection of Messrs. 
Loddiges. Flowers small, yellowish green, sweet-scented. 
M. variabilis ; (Bateman mss.) caulescens, pseudobulbis ovalibus compressis 
squamis membranaceis longioribus monophyllis, foliis lineari-ligulatis ob- 
tusis emarginatis planiusculis, floribus axillaribus solitariis, sepalis lineari- 
oblongis acutis petalis subeequalibus lateralibus basi parüm productis, labello 
oblongo retuso carnoso basi membranaceo venoso medio utrinque contracto, 
callo disci parvo ovato obtuso integerrimo, columnà clavatà, antherà pu- 
bescente, Mexico; in various collections. Flowers small, deep purple. 
Known in the gardens under the names of M. atropurpurea and M. concinna. 
Near M. platypetala. 
M. tenuifolia ; caulescens, pseudobulbis ovato-oblongis compressis monophyllis 
squamis longioribus, foliis lineari-lanceolatis acutis recurvis, peduncul 
axillaribus solitariis basi squamatis, ovario denudato arcuato, floribus cernuls, 
sepalis ovato-lanceolatis margine revolutis subzequalibus reflexis lateralibus 
basi subzequalibus, petalis ovatis obtusis conniventibus, labello oblongo 
indiviso apice ovato reflexo infra apicem utrinque contracto, callo disci 
oblongo integerrimo. Mexico ; Laid near Vera Cruz by Mr. Hartweg. 
Flowers rich purple, spotted and broken into small yellow patches. 
Near M. platypetala. | 
With regard to the limits of the genus Maxillaria, the reader will find 
some observations at the end of folio 1991. 
i n 
