1550 Leaflets of Philippine Botany [Vol. V, Abt. 77 



HABENARIA R. Br. 



Habenaria Elmeri sp. nov. 



Herba terrestris, 3 — 5 dm. alta, foliosa. Radices? Caulis 

 gracilis, erectus. Folia elliptico-lanceolata inferne, superne 

 lanceolata, acuminata, acuta, ad basim vaginata, 4 — 15 cm. 

 longa, 1.5 — 5 cm. lata, chartacea in sicco, circiter 3, remota. 

 Racemi laxi, 12 — 15 cm. longi. Flores ± 15. Bracteae inflores- 

 centiae lanceolatae, acutae, 1 — 1.8 mm. longae, 3 — 7 mm. latae. 

 Sepala lateralia oblongi-lanceolata, 3-nervia, 7 mm. longa, 2.5 

 mm. lata, retroflexa, obtusa vel subacuta, labello breviora. Se- 

 palum superius late ovatum, 3-nervium, ad apicem rotundatum, 

 5.5 mm. longum, 4.5 mm. latum prope basim, leviter cucuUatum. 

 Petala erecta, simplicia, anguste lanceolata, obtusa vel subacuta, 

 coriacea, circiter 6 mm. longa, ad basim circiter 1 mm. lata. 

 Labellum simplex, crassum, deflexum, ligulatum, circiter 1 cm. 

 longum, circiter 1.5 mm. latum. Calcar ovario brevius, 1 cm. 

 longum, ad apicem valde inflatum, circiter 2 -mm. in diametro, 

 superne valde attenuatum. Processus stigmatis 0. 



From the specimens at hand H. Elmeri appears to bear from 

 3 — 4 leaves, the uppermost one being bract-like or much reduced. 

 The lowermost leaf in one specimen measures 10 X 3 cm., in another 

 11X4.5 cm. The measurements given in the above description 

 apply to the range of variation in the length and width of the 

 leaves on the same plant. The gynostemium in the specimens 

 examined appeared to possess no stigmatic processes. H. Elmeri 

 may be assigned to § Platanthera. 



Mindanao: District of Davao, Todaya (Mt. Apo) , September, 

 1909, A. D. E. Elmer, 11845". What appears to be the same 

 species is represented by specimens from Negros: Province of 

 Negros Oriental, Dumaguete (Cuernos Mts.), May, 1908, Elmer, 

 10002. 



Habenaria luzonensis sp. nov. 



Herba terrestris 6.5 dm. alti, folia prope basim caulium con- 

 ferta, oblongi-lanceolata, acuminata acuta, 2—3 dm. longa, 

 circiter 3 cm. lata, membranacea. Bases foliorum vaginantes. 

 Bracteae inflorescentiae lanceolatae valde acuminatae, acutae, 



