- 21 - 



by its longer stems and leaves, the bracts surpassing the ovary 

 in length, obtuse petals. 



Description from dried spécimens. 



^ €^I»er<»iiîa (Sifiicolor J. J. S. n. sp. 



Gaules approximati, elongati, serpentini, compressi, foliati, 

 c. 11 — 20 cm. longi, cum foliis c. 2.4 — 3.7 cm. lati, internodiis 

 c. 0.75 — 1.3 cm. longis. Folia alternatim bifaria, c. 9 — 12 utrinque, 

 approximata, inarticulata, basi imbricantia, erecto-patentia, fal- 

 catoincurva et saepe plus minusve contigua, lateraliter compressa, 

 anguste triangula ad lanceolato-triangula, acuta, acute marginata, 

 antice alte tissa, dilute viridia, margine superiore c. 3.25 — 4.5 cm. 

 longa, 0.9 — 0.45 cm. lata, apice non flssoc. 1.5 — 3.1 cm. longo. Inflo- 

 rescentia sessilis, elongata, densiuscula, cylindrica, valde multiflora, 

 c. 10 — 10.5 cm. longa, 0.55 — 0.6 cm. diam., rachide angulata, 

 parce papilloso-puberula, pallide viridi. Bracteae pedicellum am- 

 plectentes et plerumque subaequantes, ovato-oblongae, non acumi- 

 natae, erosae, parce ciliolatae, pallide tlavae, albo-marginatae, c. 

 0.17 cm. longae. Flores parvi, patentissimi, c. 0.17 cm. lati, 

 sepalis petalisque patentissimis, convexis, aurantiacis, basi pallide 

 flavescentibus. Sepalum dorsale cum ovario angulum obtusum 

 faciens, late ovatum, obtusum, c. 0.075 cm. longum, O.OG cm. 

 latum. Sepala lateralia late oblique ovata, subacuta, c. 0.075 cm. 

 longa, 0.07 cm. lata. Petala divaricata, ovalia, obtusa, c. 0.075 

 cm. longa, 0.05 cm. lata. Labellum ambitu oblongo quadrangulum, 

 auriculis (lobis lateralibus) basilaribus oblique ovato-triangulis 

 obtusis convexis gynostemium semiamplectens, excavatione tri- 

 angula ad basin, lobo antico quadrato, apice vix angustato, late 

 retuso, pallide flavum, basi pallide viride, medio ochrascens, totum 

 explanatum c. 0.12 cm. longum, ad lobos latérales divergentes 

 0.08 cm. latum, lobo medio O.OG cm. longo et lato. Gynostemium 

 brevissimum, basi tenue, apice dilatatum, pallide virescens, apice 

 flavescens, fere 0.03 cm. longum, apice 0.04 cm. latum, clinandrio 

 concavo. Anthera transverse ovalis, pallide viridis, c. 0.025 cm. 

 lata. Ovarium densiuscule papillosum, cum pedicello parcissime 

 papilloso c. 0.15 — 0.17 cm. longum, pallide virescens. 



' Sumatra: Lampong, Menggala. (H. A. Gusdorf, liv. pi. cuit. 

 in Hort. Bog. sub n.- 62 pp.). 



This species seems to be allieil to 0. Odoardiï Schltr., from 



