76 



breviore, racemis laxis capillaribus paucifloris folio subsequalibus et bre- 

 vioribus, sepalis ovatis concavis extus pruinosis inferiore obtuso emargi- 

 nato, petalis linearibus sequilougis, labello nano rhombeo-ovato acuto leevi. 



Surinam. Found by Dr. Splitgerber growing on the branches of 



the Crescentia, a favourite haunt of Orchidaceae in that colony. The 

 flowers are very small and yellowish. 



** Pubescentes ; nempe floribus, aut saltern ovario, 

 pubescentibus. 



.56. P. strupifolia (Lindl. in Bot. Reg. 1839, misc. no. 3.) ; foho longissimo 

 coriaceo obtuso lorato piano, racemis brevibus fasciculatis pendulis, flo- 

 ribus hiantibus pubescentibus, sepalo intermedio oblongo apice carnoso 

 revoluto lateralibus semiconnatis majoribus porrectis intus maculis pilo- 

 sis (!) notatis, petalis rhombeo-linearibus acutis, labello oblongo obtuso 



concavo nudo, Brazil. Leaves like leather thongs, full 18 inches 



long. Flowers dull purple and white. 



57. P. bicolor (P.picta, Hooker Bot. Mag. t. 3897- nee Lindl.); folio oblongo 

 coriaceo caule vaginato racemoque longiore, spatha diphylla, racemo 

 plurifloro, sepalis reflexis inferiore trihneato extus basi villoso duobus 

 superioribus ultra medium unitis maculatis, petalis columna longioribus 

 ovato-lanceolatis, labello ovato carnoso velutino maculato obtuso intus 

 basi profundi canaliculato, clinandrio dentato, anthera ovarioque pube- 



scenti-tomentosis. Mexico. Flowers purple, arranged in a spike 



about one-third the length of the leaf. 



58. V. pectinata (Lindl. in Bot. Reg. 1839, misc. 1.); folio oblongo acuto 



cochleato glauco caule ancipiti breviore, spica simplici disticha in folium 

 prona eoque breviore, bracteis membranaceis cucuUatis ovarii longitu- 

 dine, sepalis pubescentibus elongatis intermedio lineari lateralibus latio- 

 ribus basi ventricosis approximatis omnino liberis, petalis lineari-lanceo- 

 latis, labello unguiculato oblongo basi pectinato apice truncato denticu- 



lato. Brasil. Flowers sea-green, with a few deep purple spots at 



the base of the lip. The leaf is so firm, and so much hollowed out that 

 it is capable of holding water, as if it were made of metal. 



59. P. pubescens (Lindl. in Comp. to Bot. Mag. 2.) ; foho lanceolato coriaceo 



canahculato racemis brevibus nutantibus fasciculatis duplo longiore, 

 calycis pubescentis sepalo supremo lanceolato lateralibus apice tantum 

 liberia sequali, petalis lanceolatis serratis, labello oblongo membranaceo 

 glabro acutiusculo lobis laterahbus brevibus rotundatis inflexis, cUnandrio 



serrulato. Mexico. Flowers dull purple, and downy externally ; 



striped with bright purple, and smooth in the inside. 



60. P. incequalis ; folio oblongo obtuso cauh tereti pluries breviore, spica 

 densa folio breviore, ovario pubescente, sepalis liberis lateralibus ovatis 

 dorsali oblongo duplo majore, petalis nauis semilanceolatis, labello ob- 

 longo trilineato apice rotundato funhnsiio.—— Brazil. The fringed 



obtuse lip, half lanceolate petals, and very unequal sepals are the cha- 

 racteristic marks of this species which was discovered by Mr. Miers. 



61. P. casapensis ; folio cordato-oblongo in caidem vix duplo longiorem de- 



currente, spica folio duplo bre^^ore, bracteis cucuUatis cuspidatis ovario 

 pubescente longioribus, sepalis carnosis acutis laterahbus ad apicem fere 

 connatis glabris, petalis lanceolatis serratis diaphanis, labello carnoso 



obovato acuto concavo margine elevato leviter serrulato. Peru, near 



Casapi, Mathews (1830). Leaves 2^ inches, stem 3^ inches long. 



