ORCHIDACEM 



131 



M. QUADRILOBA sp. nov. Aff. M. mindorensi (Rendle). 

 Herba 15-28 cm. alta. Caulis aliquid crassus, ad basim tumidus, 

 bracteis tubulatis subscariosis acutis ner- 

 vosis bene vestitus. Folia 2—3, lanceo- 

 lata, acuminata, acuta, valde 5-nervia, 5-9 

 cm. longa, 1-4.5 cm. lata. Petlolus latus, 

 vaginans. Inflorescentia cum pedunculo 

 12-20 cm. longa ; inflorescentia propria 

 6-10 cm. longa. Bractece dependentes, 

 lanceolatse, acutse, 4—7 mm. longae, ferme 

 pedicello cum ovario aequales. Flores au- 

 rantiaci, in vetustate rubri. Sepala late- 

 ralia suborbicularia, 3 mm. longa, 2.5 mm. 

 lata. Sepalum dorsale ellipticum, 3 mm. 

 longum, 2 mm. latum. Petala lineari- 

 oblonga, obtusa, 1-nervia, 3 mm. longa, 1 

 mm. lata. Labellum 4-lobatum, ad basim 

 auriculatum, lobi laterales ovati vel lan- 

 ceolati, obtusi, 5 mm. longi; lobus terminalis bilobatus, subreni- 

 formis, 3 mm. longus, 5 mm. latus. Columna minuta, ad apicem 

 laciniis duabus obtusis instructa. 



MALAXIS QUADRILOBA 



1, lateral sepal ; 2, petal. 



Allied to Microstylis mindorensis Rendle, but with flowers 

 about half as large as in that species, which must now take the 

 name Malaxis mindorensis, comb. nov. 



Baguio, Prov. Benguet, Luzon, June 13, 1904, R. S. Williams 

 (no. 1108, in hb. N. Y. Bot. Gard.). — Mt. Mariveles, Prov. 

 Bataan, Luzon, August 4, 1904, E. D. Merrill (no. 3886), in part. 



M. WILLIAMSII sp. nov. Herba 7.5-13.5 cm. alta, diphylla. 

 Caulis gracilis, aliquid fusif ormis, 1.5-3 cm. longus, bracteis sub- 

 arcte appressis vaginantibus tectus. Folia anguste vel late lanceo- 

 lata, acuta, nervosa, 3—6 cm. longa, 1-2.4 cm. lata. Pedunculus 

 gracilis, ± 5 cm. altus, alatus. Racemus laxus, flores circa 10 

 parvos virescentes gerens. Bractece, lineares, acutse, dependentes, 

 2-3 mm. longye. Sej^ala later alia elliptica, obtusa vel subacuta, 



