ONCIDIUM. 



ORCHIDES. 735 



0. cucnllalum Lindl. Sert. sub 21. Orch. Lind. 

 Leochilus sanguinolentris B. R. 1844. Misc. 91, 

 Firsl knowledge we had of it iii a !ive state was (rom a coupie of wretched 

 flowers sent us by thc laie M. Barker, when it wos supposed to be a Leochilus. 



0. nubigenum Lindl. in Hook B. J. l. 13. 14. (1834): Found August 1831 on the 

 ridge of Assuay, growing upon ihe trunks of decayed trees; most commonly a single 

 leaf springing from ihe bulb. bul occasionaily 2. The'scape bears from 3—10 flowers 

 of pale purple colour. ,,0f all ihe Orch. I have seen, this species is, perhaps , the 

 one thai occurs at ihe highest elevation , rarely descending below 14000 feel" Prof. 

 Wiiliam Jamieson. 



Rcbb. fil. Bonpl. IIL 66. Ocanna 6—7000'. Wagener. Rchb. 1. c. IL 279: Ocanna. 

 Walder. 8—10,000'. Januar. 411. Schlim. Lera. Jard. FI. IIL t. 317. Van Houlie 

 Fl. Serres VIII. 835. 



70. OKCmiUM PUBES LO. 199. B. R. l. 1007. B. M. t. 3926. L. F. p. 23: 



0. bicornutum Bot. Mag. t. 3109. 



Flowers small, in a pyramidal panicle, brown, edged, wilh yellow, or chiefly yellow 

 Aviih crimson streaks and stains. 



W'ild in Brazil; in thin forests round the table-land of Bom Jesu^ de Bananal— 

 Descourlilz; Miers. 



Huc: Oncidium bicomutum Hook. 1, c: 



Bulbo elongato diphyllo , scapo radicali , panicula densa, perianthio 

 tetraphyJlo foliolis obovatis subaequalibus , labello angulato-lobato late- 

 ribus apiceque reflexis, disco tuberculato, columna pubescente, anthera 

 cornubus duobus mollibus reflexis. 



Mr. Harrison Esq. of Rio sent it to his sisler Mrs, Arnold Harrison of Aigburgh, 

 near Liverpool. — Pcrigonium flavum , purpureo maculatum. 



Hook.Bot Mag.l. c. 39267. Oncid. pubes Lind!. \ar. flavescens: Different as theflowers of 

 ihis planl appear al first sight fiom ihose of Oncidium pubes as flgured in ihe Bot. 

 Reg. ihey eshibil the same form and slructure. The dissimilitarity exists only in 

 colour, and 1 havo the aulhorily of Dr, Liiidley himself for considering it speciflcally 

 the same. The original species has ihe sepals of a much grcener tinge and ihe 

 middie lohc of ihe lip m.irgined wilh red. — A native of Brazil flrst detected ihere by 

 Mr. Douglas, and since found in ihe Organ mountains by Gardner, whose flowering 

 plant, growri in ihe Glasgow Bot. Gard., is here represBnled. 1839/10. 



71. ONCIDIUM UNlCORiNE Lindl. B. R. 1839. Misc, 76. L. F. p. 23: 



0. monoceras Ilooker Bot. Mag. t. 3109. 

 Panicle thin, straggiing. Flowers small , pale yellow. 

 Wild in Biazil ; Minas Geraes— Regnell. 

 Lindl. I. c. : 



Pseudobulbis ovalibus compressis diphyllis, foliis obiongo-linearibus 

 recurvis, racemo composilo ramis divaricalis rectiusculis, sepalis Jate- 

 ralibus in imum concavum emarginaturn connatis, petalis obovalis un- 

 dulalis , Inbelli lobis lateralibus nanis intermedioque emarginalo rotun- 

 dalis, disco basi transverse elevato anlice cornu ascendente compresso 

 subfalcato acuto , alis columnae angustis obsoletis. 



This is a prcity little species, with a compound straggling racerae of palc yellow 

 flowers. Thc singular horn on the lip, to which it ow«s its narae of tbe ..Unicorn" 

 at once distinguishes it from all species previously described. Mssrs. Rollisons im- 

 ported it from Rio. 

 Hook. 1. c. 3169: 



Pseudobulbo oblongo compresso sulcato uni- — bifolio , foliis ob- 

 longo-lanceolalis coriaceis nitidis, floribus paniculatis, sepalis (viridibus) 



