ORCHIDACEM 71 



— Alt. 3000 ft., upper Lamao River, Mt. Mariveles, Pro v. Bataan, 

 central Luzon, March 24, 1904, R. S. Williams (no. 759) ; fls. 

 white, with purplish brown markings, alt. 3000 ft., February 24, 

 1904, R. S. Williams (no. 626). — Mt. Midiaas, Prov. Antique, 

 Panay, April, 1905, A. E. Yoder. 

 Endemic. 



C. (§ Erectae) CHLOROPTERA Reichb. f. Gard. Chron. n. s. 

 19: 466 (1883), and Xen. Orch. 3: 69, t. 235; l'Orchidophile 3 : 

 726 (1883). — C. sparsa Ames Orchidace^e fasc. 1, 72 (1905), 

 in part (A. D. E. Elmer, no. 5842), not Reichb. f. 



" Pseudobulbls conicis fusiformibus teretiusculis, demum costa- 

 tis, diphyllis ; folils petiolatis latius oblongis acutis substantias 

 validioris plicatis ; pedunculis racemosis, bracteis anthesi jam de- 

 jectis; sepalo dor sail oblongo acuto fornicato dorso unicarinato ; 

 sepalis lateralibus triangulo-ligulatis acutis dorso carinatis; tepa- 

 lis linearibus, labello trifido, laciniis lateralibus semiovatis antice 

 obtusangulis ; lacinia mediana cuneato oblonga apiculata minute 

 crenulata, carinis ternis a disco in basin laciniae anticae, ibi utrinque 

 cannula adventitia superaddita, carinulis cariusque undnlatis et 

 plicatis." — Reichenbach, Gard. Chron., I. c. 



Pseudobidbs diphyllous, about 6 cm. long, obscurely quadran- 

 gular, smooth when young, deeply furrowed when old. Leaves 

 dark green, coriaceous. Scape erect or ascending, exceeding a 

 decimeter in height, arising from imbricating, distichous, acute 

 bracts. Flowers about 6. Floral bracts early deciduous, those 

 of the buds falling away if lightly pulled. Sepals all keeled or 

 carinate-winged dorsally along the median nerve. Laterals oblong, 

 acute, 18 mm. to 2 cm. long. Upper sepal broader than the lat- 

 erals, ovate-lanceolate, up to 3 cm. long. Petals linear, acute, 18- 

 19 mm. long, about 2 mm. wide. Labellum 16 mm. long, 3-lobed ; 

 the lobes minutely denticulate ; along the median portion of the 

 lip three longitudinal keels, which are somewhat verrucose near 

 the apex ; near the base of the middle lobe are two short verru- 



