40 



* MAXILLARIA Rollissbnii. 



Messrs. Rollisson's Maxillaria. 



GYNANDRIA MONANDRIA. 



Nat. ord. Orchidace^, § Vande^:. 

 MAXILLARIA. Bot. Reg. vol. U.fol. 897. 



M. Rollissonii ; acaulis, pseudobulbis subrotundis compressis subbifoliis, foliis 

 oblongo-lanceolatis acutis apice recurvis, scapis subunifloris diffusis lax6 

 vaginatis, sepalis carinatis lateralibus basi subsequalibus petalisque acutis- 

 simis, labelli lobis lateralibus ovatis angustis acutis intermedio oblongo 

 membranaceo apiculato margine deflexo : callo disci elevato carnoso antice 

 transverso lobos laterales labelli conjungente medio producto truncate- triden- 

 tato et denticulis utrinque reflexis postice fornicato truncato bilobo. Bot. 

 Reg.fol. 1986. 



Planta omninb facie M. stapelioidis, colore minus pallido ccesio. Folia 

 nunc oblonga apice acuta recurva, nunc magis lanceolata; semper sessilia. 

 BracteaB cucullatce, acuminates, ovariis longiores. Sepala et petala pallidi 

 Jlava, immaculata, conformia et subcequalia. Labellum Jlavescens, sanguineo 

 guttulatum ; lobis lateralibus columnam utrinque aures ad instar adstanti- 

 bus, margine posteriors crenulato. Crista labelli elevata, transversa, antice 

 cornubus duobus clavatis armata altero minimo interjecto, postice biloba 

 fornicata utrinque dentata, denticulis quibusdam columnam respicienti- 

 bus in latera jugi. Pollinia 4 (§ §) per paria adhcerentia glandules tenui 

 rhomboidece. 



A curious little species inhabiting the woods of Brazil, 

 whence it was imported by Messrs. Rollissons, with whom it 

 flowered in August, 1837. In many respects it is very like 

 M. stapelioides, and when out of flower the two species may 

 be mistaken for each other ; but the blossoms are strikingly 



* See Bot. Reg. fol. 1428. 

 August, 1838. q 



