14 MINOR PRODUCTS OF PHILIPPINE FORESTS 



however, are brought to Manila and sold for cultivation, and 

 many have been exported to Europe. A description of all the 

 individual species which are cultivated would require more space 

 than their value warrants. The following list includes the more 

 important commercial species. 



Genus AERIDES 



AERIDES QUINQUEVULNERUM Lindl. (Figs. 4, 5). 



Local names: Fracitas (Rizal); ualing-ualing (Tayabas). 



Aerides quinquevulnerum is an epiphytic herb with stout stems. 

 The leaves are 10 to 30 centimeters long and 1.5 to 2.5 centi- 

 meters wide. The very fragrant flowers occur in considerable 

 numbers on long, pendulous, flowering branches. They are about 

 2 centimeters across and white marked with crimson magenta. 



This species has been reported from the following provinces: 

 Bataan, Benguet, Bulact.n, Rizal, Batangas, and Tayabas. 



Genus CALANTHE 



CALANTHE VERATRIFOLIA R. Br. 



Local names: Binunga (Rizal); maraniok (Cagayan, Isabela) ; liriong- 

 gubat (Tayabas). 



Calanthe veratrifolia is a terrestrial orchid with large, green, 

 prominently nerved leaves, which are pointed at both ends. The 

 flowers are white, medium in size, and are borne in clusters at 

 the ends of long, flowering branches. 



This species has been reported from the following provinces: 

 Bataan, Benguet, Mindoro, Misamis, Nueva Vizcaya, Occidental 

 Negros, Pampanga, Sibutu Island, Tayabas, and Zamboanga. 



Genus CORDULA 



Members of this genus are known popularly as lady's-slipper 

 orchids. Two of them are worthy of note. 



CORDULA ARGUS (Reichb. f.) Rolfe. 



Cordula argus is a terrestrial orchid. The leaves are some- 

 what elliptical in shape and arranged in two rows. The lower 

 ones are 12 to 20 centimeters long and pale green variegated with 

 dark green. The flowering stem is 30 to 40 centimeters high 

 and madder purple. The flowers are 6 to 8 centimeters in ver- 

 tical diameter. The petals are whitish at the base and have green 

 veins ; near the apex they are madder purple and spotted. The 

 margins of the petals are hairy. 



This species has been reported from the following localities: 

 Benguet, Lepanto-Bontoc, and Tayabas. 



