ONCiDiuM ORCHIDES. 775 



§. 10. Pancituberciilata. L. F. p. 3G. 



*,• TLe followiiig plants are all lliat properly belong lo ihis divisioii. They have 

 never an uneven number of lobes to the crest. 0. serpens has two— and the olhers 

 four. If in ^ome olher instances lliere are foiir principal lubercles only. it will be 

 found ihat ruilimenlary ones occur eiiher in fronl or at ihe sides . and indicate a 

 leiidency to ihe lormation of flve or more. 



121. ONCIDIUM SERPK.NS. Lindl Orch. 204. Paxt. Fl. G.. II ic. 125. L. F. 36 : 



This must be e.xlremely rare, no other speciinen having occurred among ihe nu- 

 nierous Peruvian collections seen by me. excopt that gathered by Col. Hall. The 

 Ilower.s are .«iaid to be ycllow , spotted with dark brown. 



Wild in Peru; Patacocha, road to Esmeraldas otfiOOO feet, on trunks of Irees— Ilall. 



U2. ONCIDIUM HIANS Lindl. in Bot. Reg. 1838. misc. l2L Lindl. Fol. p. 36: 

 U. quadricorne Klotzsch in Allg. Garienzeit., Aug. 7, 1852, 

 0. lcucoslominn lloirmgge. fide Rchh. 111. 

 A litile siiecies wiih siuall yeliow brown flowers, and a great fleshy white erecl 

 four-lohed crest. The siigma is rostrate. The coliimn has no cheeks. 

 Wild in Brazil-Hort. 

 Lindl. 1. c. M. 124 : 



Sepalis petalisque aequalibus ovalibus obtusis leviter concavis, la- 

 bello angusto auriculato medio contracto apice bilobo, callo disci bi- 

 lobo utrinque dentato carnoso papilloso ereclo columna parallelo eique 

 longitudine aequali, alis columnae carnosis acutis vix lalcalis. 



I hnve only seen flowcrs of this lilile species, which comes near lo 0. carinatum. 

 Wssrs. Rollissons received it Irom ihe vicinity of ihe goM mines in Brazil. It has 

 sinall yeilow and brown fiowers wiih an extraordinary appendage to the lip, erect, 

 white, fleshy. as long. as the column. parallel with that orgaii , and rescmbling tho 

 4 fingers of ibe haml a litlle holiowed out and closed togelher. This is quite a new 

 modillcation of siruciure. 



Iluc; Oncidium quadricorne Kl. I, c. ; 



Pseudobulbis leulicularibus parvis monophyllis, foliis carnosis li- 

 nearioblongis recurvis, acutis subsessilibus, dorso carinatis, basi atte- 

 nuatis conduplicatis, paniculis basilaribus erectis filiformibus, perigonii 

 foliolis palentissimis oblongo-obovalis sordide flavidofuscescentibus, la- 

 bello elongalo pandurato slricto, albido apice bifido, lobis lateralibus 

 obsoletis, crista basilari erecta alba quadridentata^, columnae nanae 

 candidae alis erectis ovatis. — Labellum album. 



123. ONCIDIUM STRAMINEUM ,,Lindl." in.Bot. Reg. 1838. Misc. 63; 1840. 1. 14. L. F. 36: 

 0. Columbae Hort. , 

 ('. Columbiae Hort. ( fide Rchb. 

 0. Lindeni Hort. ' 

 Flowers straw-coloured, wiih a few dark specks on ihe lip , in a dense panlcle. 

 Tlie sessile almost rectangular petals are very remarkable. 

 Wihl in Mexico; near Vera Cruz— Ilarlweg. 



IJndl. Bot. Reg. XXIV. (1838.) Misc. 63: Oncidium stramineum Bat. in litl.: 

 Ebulbe, loliis crassis carnosis ovato-Ianceolalis acutis dorso rotun- 

 dalis scapo paniculato rigido erecto brevioribus, sepalis subrotundis 

 unguiculalis concavis liberis integerrimis, petalis duplo mojoribus ob- 

 longis obtusis emarginatis margine crispis, labelli lobis lateralibus ob- 

 longis carnosis margine revolulis basi columnae proxima nectariferis 

 iDlermedio reniformi plano emarginato majoribus, tuberculis disci 4 ge- 



