Oncidium.] ORCHIDACE^ LINDENIANJE. 15 



nerviis, panicula ramosissima intricata ramulis flexuosis, sepalis 

 petalisque lineari-oblongis obtusis undulatis patentissimis, labello 

 apice reniformi basi triangular! pubescente crista multidentata, colum- 

 naD alis acinaciformibus sursum elongatis. 



''Forests on the slope of the Sierra Nevada, in the province of Merida, at 



the height of 7000 feet; August. Pseudo-bidbs oval, ribbed. Stem two 



feet high. Petals bright-yellow, spotted with red. Lip pale-yellow:' 



{No. 681). 



One of the herd of species allied to 0. reflexum and pictum. The 



downy triangular base of the lip is one of its best characters. 



The leaves are a foot long, or less. 



SOLENIDIUM. 



Gen, Nov. Sepala et Petala aequalia, explanata, libera. Label- 



lum ungue longo canaliculate apice bidentato, lamina subrotundo- 



ovata obtusissima. Columna aptera hand pede producta, alata, apice 



triloba : lobis lateralibus rotundatis dorsali lacero. Pollinia 2, 



cereacea, in caudiculam incumbentia, glandula parva subrotunda. — 



Folia ensiformia, tenuia, basi angustata. Racemus laxus multiflorus. 



Bractese minutaB, pedicellis gracilibus sigmoideis pluries breviores. 



This curious genus is near Oncidium and Brassia, from both of which 



it is distinguished by its narrow stalked wartless lip, three-lobed 



anther-bed, and very peculiar pollen masses, which are bent 



down upon their caudicle, while in the anther. 



79. S. racemosum. 



''An epii^hyte from forests Tiear Pamplona, at the height of 8500 feet; 

 November. Flowers yellow, spotted with red:' {No. 1264). 



ODONTOGLOSSUM, H. B. K. 



80. 0. constrictum ; (Lindl. in Bot. Reg. 1843, misc. No. 25). 



" A small specimen of the variety $ occurs, with no other locality than 

 Caraccas; April, 1842.'' {No. 623). 



81. 0. Eallii (Lindl. in Bot. Reg- sub t. 1992). 



"An epiphyte from the forests of Pamplona, at the height of 8500 feet ; 

 November. Petals yellow, spotted with purple. Lip white." (iVo. 1263) 



82. 0. epidendroides ; (H. B. K. I. 351, t. 85). 



"Damp forests of Pamplona, at the height of 8500 feet; November. 

 Pseudo-bulbs small, oval. Leaves strait, lanceolate. Stem twelve to 

 sixteen inches long. Flowers fragrant. Sepals linear, golden-yellow^ 

 spotted with purple. Lip white, spotted with purple." {No. 1261). 



83. 0. megalopMum ; foliis lanceolatis in petiolum tenue canalicu- 

 latum angustatis, panicula stricta racemosa ramulis compositis 



