741 ORCHIDES. 



ONCIDIUM. 



described as bcing oblong-, noiched on each sidc. and two-toolhed at Ihe end , hence 

 oppearing: four-toothed. In one place , Mr. Reichenbach calls the column-wings tri- 

 angulor nnd olnuse ; in anollior rcclangulnr, cnlire , and divaricaling. The only (lower 

 I have secn, and an accomi^anying skelch , iias exlrcmely narrow sepais and a pe- 

 culiariy thin texiure. Is it not an accidental form of 0. incurvum, with (ree sepals ? 



\ViId in 



Rchb. ni. Bonpl. II. p. 91 : 



(Pentasepala macrolepala): ab omiiibtis recedit callo basilari velulino 

 f|iia(Jri(ien(ato, alis Iriangulis oblusis; colore albolilacino. 



Panicula laxa. Sepala linearilanceolaia acuta , laieralia sibi approximata; tepala 

 duplo latioro, basi unguiculata, acuta, undulata , labellum basi rhombea anlrorsum an- 

 gusialum , apice dilatalum, subquadratum, laieribus externis grosse creuulatum, antice 

 medio sinuato cum apiculo interjecio minuto , callus sericeovelulinus oblongus in 

 basi, utrinque excisus , apicc bidentatus (hinc quadrilobus) ; gynosiemium prope 

 rectum, androclinium descendens, processus rostellaris parvus denliformis, tabula in- 

 fra.stigmatica uirmque medio obtusangula , disco excavata , alae rectangulae obtusae, 

 Intogerrimne, divaricaiae. Von Herrn Knmmerrath Frcge. 

 99. ONCIDIUM PICTUM HHK., I. t. 81. LO. p. 201. L. F. p. 28: 



\ spccies wiih a fine large pyramidal panicle of yellow flowers. It certainly be- 

 longs here, and uot to the pluriluberculate set. 



Wikl in the temperaie parls of Popayan , al ibe heighi of 3240 ft. — HBK.; Peru— 

 Mntthews, 1920. 



Sert. sub 48: Difl^ers from Oncidium aliissimum in iis more compact panicle, 

 large flowers, obsolete aniherwings, apparenily in tbc much less spoited flowers. 



90. ONCIDIUM AMPLIATUM LO. p. 203. D. R. t. 1699. L. F. I. c. p. 28 : 



There are two varietics in cultivation , differing only in the size of the flowers . 

 Panicle ample. Flowers yellow, much paler at ihe back ihan in ihe front. The crest 

 al ihe back of ihe anlher-bed is remarkable. 



Wild in Central-.Amcrica ; Cuming, 1312; Costa Rica , on the shore in tbe gulf of 

 Nicaya, also Nicaragua aud Kscuinlla , in a climate the maximum of which is 85° — 

 Skinner; Sa. Martha— Purdie ; Coluiniija— Sinclair; Chagres— Fendler. 



Pl. Hartw. II. p. 193: Escuenila Mexici Hartweg. 



LindL Dot. Reg. 1835. XX. 1699: 



Sepalis omnibus liberis, labello bilobo subrotun(3o transverso ; laci- 

 niis brevissimis, callo baseos 5-lobo , lobis laleralibus patenlissimis 

 planis Iruncatis, intermediis terelibus centrali compresso, alis columnae 

 cuneatis, dentalis, reflexis , pseudobulbis subrotundis compressis, foliis 

 planis eblongo-lanceolalis, scapo erecto apice ramoso. 



Folia et pscudobulbus facie omnino 0. papilionis. Scapus adscendens, radicalis, 

 ly, — 2 pedalis, apice ramosus. Flores luiei , labelli dorso albo. 



Sert. sub 48: Pseudobulbis subrotundis ancipitibus rugosis maculaiis diphyllis, 

 foliis oblongis coriaceis planis subundulaiis scapo paniculato brevioribus. Panama 

 ct Guaicmala. A noble. specics of which iherc are 2 var. one much larger, ihan ihe 

 olher. According lo Mr. Skinner it is from Costa R. 



Lindl. in Hook B. Journ. 1831. I. p. 7 : Panama et Columbia occid. Cuming 1312. 

 Dot. Reg. XXVI. .Misc. 97: Costa Rica; found on ihe sea shore in the Gulf of Ni- 

 caya; since found ihroughout ihe coasts of Nicaragua and also in the Escuinlla 

 15 leagucs from Guatemala climat. 80'. — 85". 



Donpl. II. 13. Rchb. fil. : „Darquisiniio." Caracas. Wagener. 



91. ONCIDIUM JAMIESONI Lindl. in Paxt. Fl. Gord., I. under t. 21. L. F. p. 28 : 



Flowers vellow, wiih a brown base lo the petals, a few impcrfect ones niixed 

 wiih the oihcrs— ihe only casc of ihe kind iu ihe present group. 

 VVild in Pcru ; Quito— Joniieson. 



