34 ORCHIDACE& 



The divisions of the petals and labellum vary in number on 

 flowers of the same plant. From the material examined, the pos- 

 terior divisions of the petals appear to be less subject to variation 



Habenaria ungdlosa 



than the anterior divisions, which may be one or more times di- 

 vided nearly to the base. The lateral divisions of the lip may be 

 twice or thrice divided, and in some cases the subdivisions again 

 divided. The least complexly divided labellum appears to be cor- 

 related with petals only once or twice divided. 



On damp shaded bank in ravine, fls. odorless, greenish white, 

 Daklan to Cabayan, alt. ± 4500 ft., Bued River, Prov. Benguet, 

 Luzon, October-November, 1905, E. JD. Merrill (no. 4845). 



H. (§ Dolichostachyse) LEIBERGII sp. nov. Aft". H. travan- 

 corlcce Hook. f. Tubera 15 mm. longa, ovata. Herba 3^4 dm. 

 alta, subgracilis, foliosa. Folia ovato-lanceolata, acuta, 4-5 cm. 

 longa, 2-3 cm. lata. Bractece ovato-lanceolatae vel lanceolatae, 

 illse in infima inflorescentia 1 cm. latae, vel latiores. Flores circa 



