ORCHIDACEM 165 



brevissime unguiculatum, ungue cum sepalis exterioribus connato 

 et speciem sacci efformante, lamina obovata integra, basi extus in 

 angulum cornu quoddammodo brevissimum referentem producta, 

 apice emarginata, margine apicem versus undulata, disco apicem 

 versus verrucosa. Gynostemium erectum, apterum, cum ungue 

 labelli connatum. Anther a terminalis operculata. Mas see pollinis 

 quatuor cereaceas. Ovarium lineare, bracteis brevius." — Presl, 

 Rel. Haenk. I. c. 



A very variable plant with rather large, plicate, lanceolate, acu- 

 minate leaves, and with nutant, congested or elongated racemes 

 of pale purple flowers, borne on a stout leafless scape which arises 

 from the base of the leaf-shoot. Leaves ± 25 cm. long, 5-10 cm. 

 wide, acuminate-acute. Sceqies 2-3 dm. or more high, stout, pro- 

 vided with sheathing, acute, tubular, closely appressed bracts. The 

 somewhat semi-globular to oblong raceme bent downwards, sub- 

 tended by an erect, scarious bract, 3 cm. or more long. Floral 

 bracts linear, spreading. Lateral sepals ligulate, subacute, about 

 1 cm. long, 3 mm. wide. Upper sepal as long as the laterals. 

 Petals oblong, narrowed slightly toward the base, rounded at the 

 tip, about 1 cm. long, 4 mm. wide. Labellnm 1 cm. long, strongly 

 concave at the base, slightly constricted beyond the middle, retuse 

 or bilobed at the tip. At base a distinct callus, and near the apex 

 several verruciform tubercles or nerves. 



Prov. Rizal, Luzon, August 22, 1905, Ahern's collector (no. 

 3245).— Maragondon, Prov. Cavite, Luzon, July 30, 1905, E. D. 

 Merrill (no. 4189). — Mt. Mariveles, Prov. Bataan, Luzon, August 

 8, 1904, E. D. Merrill (no. 3848) ; July 25, 1904, H. N. Whit- 

 ford (no. 523). — On shaded ground, fls. pinkish, Santa Cruz, 

 Prov. Davao, S. E. Mindanao, June 26, 1905, R. S. Williams 

 (no. 3048). — Island of Masbate, on beach in guava bush, inflores- 

 cence white, August 8, 1904, Willard W. Clark (no. 1705).— 

 Woods, Antimonan, Prov. Tayabas, Luzon, August, 1904, 

 V. B. Gregory (no. 61). — Gimogan River, Negros, January 5, 

 1904, E. B. Copeland (no. 137). — Caulaon Volcano, Negros, 



