Refugium Botanicum. | [December, 1872. 
TAB, 123. 
Tribe VANDEX. 
Genus Oncrpium, Sw. 
O. puaniLaBRE, Lindl., Journ. Hort. Soc. vi. 59, tc. ayl.! Folia 
Oncidium, p. 48, No. 141! Walp. Ann. vi. 787! Folio stipante 
inferiori vagina triangula, altero articulato laminigero, lamina 
cuneato-ligulata acuta, pseudobulbo oblongo apice angustato, 
demum bene rotundato ancipiti, primum omnino levi, demum 
subcostato prasino, statu hebetato monophyllo, statu vegeto 
diphyllo, foliis cuneato-ligulatis acutis, usque pedalibus et 
usque tres pollices lati, inflorescentia elongata, apice simpliciter 
racemosa, infra brachyclado ramulosa, ramulis floribusve 
bracteis vaginis bracteisve spathaceis multinerviis scariosis 
stipatis, ramulis vix ultra bifloris, bracteis spathas subsequanti- 
bus, sepalis unguiculatis oblongis acutis, tepalis bene breviori- 
bus, supra basin angulatis, labello pandurato, angulis posticis 
retusiusculis, isthmo constricto, parte antica reniformi emar- 
ginata, callo subrhombeo bicruri in basi explanato, antice 
medio in acumen exeunte, papula utrinque apposita juxta 
acumen, columna brevi crassa alis adnatis, rostello tridentato, 
dente forti ante foveam, anthera ornithorrhyncha. Flores 
pallide sulphurei, disco sepalorum et tepalorum brunneo. 
Labellum flavum, parte superiori utrinque brunneo pretexta et 
per isthmum brunnea. Callus albus rubido-pictus. 
Dr. Lindley informed us the species was “wild in Brazil; 
locality unknown.” For a long time it did not appear again: 
at length Director Linden obtained it from Guayaquil, in the 
warm region, collected, no doubt, by Mr. Wallis. I have also 
obtained it from Messrs. Veitch, who may have got it from 
Mr. Pearce, from Puna Island. There are two species very near 
it: one, Oncidiwm hirundo, Rehb. fil., in v. Mohl. s. v. Schlech- 
lendal Botanische Zeitung, 1857, p. 156, has much longer lateral 
sepals. I obtained it from Prince Camille Rohan from Sichrow, 
in Bohemia. Probably the same was introduced from Peru by 
Director Linden; yet I did not see well-preserved flowers, fully 
fit for examination. Much like it, but with an exceedingly rich 
inflorescence and very blunt sepals and tepals, with deep chesnut- 
brown disk, is O. pardothyrsus, Rehb. f., le. p. 158. It flowered 
