On some Plants, mostly undescribed, 



species procured from Mr. Gibson, similarly referred to 

 Eria, the name of which I suppress. 



1. A stem of the plant, rather reduced. 



2. Flower and peduncle. 



3. Flower, upper face. 



4. Column, etc. in front, 



5. Apex of columna in front, anther case removed. 



6. Column laterally, anther and pollinia removed. 



APPENDICULA. Blume. 

 Fam. Nat, Orchidecc. — Sect. Vandece. 



A Lewisii (n. sp.) caulibus ancipitibus simplicibus, foliis 

 anguste lanceolatis bifidis cum mucrone interjecto, racemis 

 oppositifoliis foliis brevioribus, labelli erecti lamina oblongo- 

 cordata, processu sacci semi-cyathiformi antice deficiente, 

 sacco laminam longitudine aequante. 



Hab. — Insula Penang. 



Descr. — Caulis spithamaeus vel subpedalis, anceps. Folia 

 bifaria, anguste lanceolata, inaequaliter bifida, mucrone in- 

 terjecto, univenia, pallide viridia. Racemi oppositifolii, 

 subcernui, pauciflori, foliis breviores. Flores minuti, 

 resupinati, albidi. Bracteae membranaceae, angustae, ovarii 

 longitudine. Perianthium connivens, membranaceo-cellulo- 

 sum. Sepala oblonga, subacuta, lateralia basi valde obliqua 

 et cum pede columnae connata. Petala conformia, paullo 

 minora. Labellum suberectum, cum columnse pede continu- 

 um ; lamina integra ovato-cordata, acuta; saccus magnus ro- 

 tundatus, auctus processu semi-cyathiformi medium versus 

 affixo, postice libero. Columna nana, basi longe producta, 

 sursum pupureo-fusca. Clinandrium profunde excavatum, 

 dente postico, antheram affingente, magno, introflexo. An- 

 thera ovato-cordata, membranacea, sub-immersa, in stigmate 

 postico, (rostello) incumbens, bilocularis, antice 3-dentata. 

 Pollinia 8, clavata, cerea, in glandula oblonga carnosa sessi- 

 lia. Stigma posticum (rostellum) obliquum, sublinguiforme, 



