308 NEW OR RARE ORCHIDR.^. 



Pleuhothallis, 



1. P. pedimcularis ; caule erecto gracili vaginato apice uni- 

 f'oliato, folio oblongo coriaceo, flore solitario infra apicem 

 pedunculi erumpente, sepalis oblongis coriaceis inferioribus 

 diipio angustioribiis intus maculatis, petalis ovatis erectis 

 maculis apice pubescentibus sepalis duple niinoribus, labio 

 erecto ovate petalis duple mlnore subrecurvo intus maculato 

 basin versiis canaliculate, columna brevi apice bidentata, an- 

 thera heniisphserica pubescente. (Tab. IX.) 



Hab. Guatemala. Mr Skinner. Cult, in Hert. Woburn. 



Of this group of Pleurot/iallis, with a solitary leafy and 

 sessile, or nearly sessile flower arising from just below that leaf, 

 there are several very remarkable species on the Pacific side 

 of tropical America. The present does not correspond with 

 any one described by Dr Lindley or Dr Poeppig. 



Fig, 1. Flower; f. petals and label! um; f. 3. column and la- 

 bellum; f. 4. the same; f. 5. anther-case; f. 6. pollen-masses; 

 magnijied, 



Epidendrum. 



1. E. leiobolbon ; pseudobulbis ovatis laevissimis superne in 

 caulem brevem diphyllum attenuatis, squamis membranaceis 

 duobus vaginatis, foliis alternis lineari-oblongis acutis sub- 

 membranaceis obscure striatis, pedunculo terminal! bifloro, 

 sepalis petalisque conforniibus spathulatis, (labelli triquetri) 

 columna triquetra apice obtuse tridentata dente superiere 

 longiore, labelli ungue lineari fere ad basin libero, lamella 

 deflexa triloba lobis lateralibus parvis angustis intermedio 

 magno transverse bilobo ad basin tuberculo subtriangulari, 

 anthera immersa. (Tab. X.) 



Hab. Mexico. Galeotti. Cult, in Hert. Woburn. 



A very distinct species from any with which I am acquaint- 

 ed. The sepals and petals are spread horizontally an^l ^^^ 

 of an uniform chocolate brown, inclining to green. Column 

 projecting, triangular, yellow-green, except the apex which 

 is flesh-coloured with red dots, and where it is cut into three 



