BKASSIA. 



123 



near the base, the dorsal sepal 3^—4 inches long, the lateral two 



4l_5 inches long; petals half as long as the dorsal sepal, the apical 



half yellow-gTeen, the basal half brown; lip broadly obovate, apicnlate, 



light yellow, the basal and central area spotted with brown, the 



bilamellate crest orange-yellow. 



Brassia Oireoudiana, Echb. in Allgem. Gartenz. XXII. (1854), p. 273. Id. Xc?^. 

 Orch. I. p. 79, t. 32.* Oncidium Gireoudianum, Rchb. in Walp. Ann. VI. p. 768. 



Discovered by Warscewicz in Costa Rica, and introduced by him 



into Germany. It flowered for the first time in Europe in the 



garden of Herr Nauen, at Hamburg, after whose gardener, Gireoud, 



it is named. 



B. Keiliana. 



Pseudo-bulbs clustered, narrowly ovate, H — 2 inches long. Leaves 

 lanceolate, acute, 7 — 10 inches long. Scapes longer than the leaves, 

 many flowered; bracts subulate, acute, nearly as long as the pedicel and 

 ovary ; sepals and petals yellow-green spotted with brown on the 

 broader basal portion, the sepals 2\ — 3 inches long, the petals about 

 half as long ; lip triangular-oblong, contracted at the apex into an 

 acuminate tail, whitish with some brown spots in front of the two- 

 keeled crest. 



Brassia Keiliana, Rchb. in Paxt. Fl. Gard. 1852, p. 114. Id. in Bot. Zeit. 1852, 

 p. 761. Id. Xm. Orch. I. p. 126, t. 45 (three forms). Kegel's Gartevfl. 1862, t. 365. 

 Lindi. Fol. Orch. Brassia, No. 16. Oncidium Keilianum, Rchb. in Walp. Ann. VI. 

 p. 770. 



var. — tristis. 



Sepals and petals dark sepia-brown ; lip with the apical tail longer 



and springing more abruptly from the light yellow blade. 



B. Keiliana tristis, Rchb. Xeii. Orch. I. p. 126, t. 45, fig. 3. Williams' Orch. Alb. 

 VIII. t. 347. 



Native of the Cordilleras of northern Colombia and Venezuela, at 

 5,000 — 7,000 feet elevation. It was first discovered by Wagener in 

 the province of Caracas, and introduced by him into Germany about 

 the year 1852 ; it is dedicated to Hofrath Keil, of Leipsig. 



The species is a variable one, especially as regards the colour of 

 its flowers ; the variety fristis is a very remarkable one in this 

 respect. 



B. Lanceana. 



Pseudi)-bun)s ovate-oblong, 3 — 5 inches long, much com})ri'sse(l, riblicd 

 and furrowed on the llattcned sides, diphyllous. Leaves oblong ov 



* Kciclicnbacli was of oiiinion that tlic lierbarium specimen gatliered by Mr. G. Ure Skiuuer 

 at San Salvador, and referred by Lindley to L'rassia maculata, is the species here described and 

 lijrured. 



