174 



ORCHIDACEM 



D. (§Pedilonum) CHAMELEON sp. nov. Aff. D. Kuhlii. 

 Herba pendula, multo ramosa. Caulis 37-60 cm. longus, incras- 



satus, teres, foliosus, ad basim at- 

 tenuatus. Nodi 1.5-2 cm. distan- 

 tes. Folia disticha, oblongi-lanceo- 

 lata, acuta, 4.5-6 cm. longa, 1.3-2.2 

 cm. lata. Flores numerosi, 2-3 in 

 pedunculis brevibus. Pedunculus 

 6 mm. longus, a nodis caulis post 

 abjectionem foliorum ortus. Pedi- 

 cellus ovariumque 1.5 cm. longa. 

 Bractece florales 5 mm. longse. 

 Flores ab apice sepali dorsalis ad 

 apicem menti calcar simulantis 3—3.5 

 cm. longi, in vetustate subalbi ru- 

 bente pupura striati, in juventute 

 pallide virides. Sepala lateralia 

 1.7—1.8 cm. longa, 8 mm. lata, lan- 

 ceolata vel ovato-lanceolata, acuta. 

 Sepalum dor sale 2 cm. longum, 7.5 

 mm. latum, lateralibus simile. Pe- 

 tala anguste oblonga, acuta, circa 

 2 cm. longa, 5 mm. lata. Mentum 

 2 cm. longum, subacutum vel obtusum. Labellum unguiculatum, 

 2 cm. longum, ad apicem expansum in limbum elliptico-oblongum, 

 obtusum, membranaceum, 12 mm. longum, 8 mm. latum ; ad apicem 

 unguis 2 lamellae tenues, convergentes, vel alas liberse; ad medium 

 unguem 2 sacculi marginales, 3-lobati; ad axim unguis prope 

 basim callus hippocrepiformis appendice libero, incrassato, unci- 

 nato, basali. Caules foliosi et florigeri simul exstant. 



Dendrobitjm chameleon 



Hanging from trees, with stems 5 or 6 ft. long, Baguio, Prov. 

 Benguet, northern Luzon, September 30, 1904, B. S. Williams 

 (no. 1940). Type in herbarium of the New York Botanical Gar- 

 den, consisting of a flowering stem from the base of which a 

 branch is given off which bears a leafy stem. 



