ORCHIDACE.E 



13. Phreatia Wenzelii sp. nov. Herba epiphytica ± 23 cm. alta. 

 Pseudobulbi pyriformes, rugosi, circiter 1 cm. longi, ± 6 mm. in 

 diametro, diphylli. Folia coriacea, usque ad 7 cm. longa, circiter 

 1 cm. lata, ad apicem inaequaliter bilobata, petiolata. Scapi a basi 

 pseudobulbi orti, folia multo excedentes, 2.4 dm. longi, bracteati, 

 cum bracteis sex tubularibus infra racemum. Flores minuti, puni- 

 cei, in racemo elongato dispositi. Racemus ± 1 dm. longus, gra- 

 cilis. Bractese flores subtendentes lanceolate, acuminata?, valde 

 acute, quam pedicellus cum ovario longiores, usque ad 5 mm. 

 longe, subrigide, vix cymbiformes, paten tes. Pedicellus cum 

 ovario circiter 3 mm. longus. Sepala lateralia ovata, acuta, uni- 

 nervia, 1.75-2 mm. longa, infra medium vix 1.5 mm. lata, men- 

 turn obtusum, brevem, formantia. Sepalum dorsale ellipticum, ob- 

 tusum, circiter 1.75 mm. longum.quam sepala lateralia angustius. 

 Petala suborbicularia, obtusa, circiter 1.5 mm. longa, 1 mm. lata, 

 valde membranacea. Labellum unguiculatum ad basim concavi- 

 usculum vel sulcatum; lamina suborbicularis, 1.25 mm. lata, cir- 

 citer 1 mm. longa, valde obtusa, ad basim prope unguem trun- 

 cata. Unguis curvatus, circiter .5 mm. longa. Gynostemium bre- 

 vissimum, antice ad apicem bifidum. 



Phreatia Wenzelii belongs to § Thelasiformes, and among Phil- 

 ippine species is most closely related to Phreatia sulcata J. J. 

 Smith. From the single specimen which constitutes the type the 

 pseudobulbs appear to be diphyllous. 



Leyte, Ormoc, Masaganet, C. A. Wenzel 089, April 13, 1913. On trees 

 in mountain forest, 1000 meters above sea level. Flower flesh-color and 

 white. 



69. ACRIOPSIS Reinw. 



This is a small genus of about ten species found in Java, Sumatra, 



Borneo, Celebes, New Guinea, Singapore, and Tenasserim. 



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