TIIK FLOILV OF MOUNT IIALCON. 273 



ANONAC^E.^l 



UNONA Linn. f. 



Unona mindorensis Mfirill ii. sp. ^^ Stenopftdlum. 



Foliis ol)loiiii'o-laneen]atis acuminatis 10 ad IT cm. long-is, basi acutis; 

 ])('(hinc\ilis a.\illaril)us solitariis ad 1.'^ cm. I()n«i-is; pctalis (J, snbaequa- 

 lil)\is. ovato-laiiceolatis. aciitis, I..") ad 1.7 cm. longi^;, ])ii1)escentil)us; 

 ovulis .") uniserialibus ; carpcllis niatuvis ovatis, acutis, ad 1..") cm. longis. 



A small tree about (> m. bigb; brancbes slender brownisb gray, sligbtly 

 pubescent, terete. Leaves submembranons, oblong lanceolate, 10 to 17 

 cm. long, 2.5 to 4.5 cm. wide, tbe base acnte, the apex gradually acumi- 

 nate, dull above, somewbai palei' and sligbtlv shining beneath, glabrous 

 or nearly so; nerves about 9 on each side of the midrib, ascending, distinct 

 l)eneath, the reticulations few, indistinct; ]ietioles stout, rugose, 5 mm. 

 long or less. Peduncles axillary, solitary, about 1.2 cm. long, slightly 

 ])ubescent and with one or two snuiU basal bracts. Flowers greenish- 

 white. Sepals o, puliescent, triangular ovate, acute, about 3.5 mm. long. 

 Petals (), free, sprea<ling in flower, ovate-lanceolate, acute, pubescent, the 

 outer three about 1.7 cm. long, 7 mm. wide, the inner three 1.5 cm. long, 

 5 mm. wide. Stamens many, glabrous, 2 nnu. long, the connectives 

 truncate, overlapping. Ovaries about 12. densely birsute. oblong, 3 mm._ 

 long; ovules 3, parietal in one row; styles 1.5 mm. long. Carpels ovoid, 

 about 1.5 cm. long, acute, narrowed below into a short stout stipe, brown 

 when dry, slightly pubescent. 



In forests at 300 in. alt. (No. 5508). A closely related species is represented 

 liy No. 4060 Merrill, from tlie Baco Iviver. near the base of Halcon, March, 1905. 



OXYMITRA Blume. 



Oxymitra sp. near (). ijlauca Ilk. f. et Th. 



In forests at 180 ni. alt. (No. 5(i29). Specimens witli frnit only, Imt nndoulit- 

 edly referable to this genns. 



PHAEANTHUS Hook. f. et Tli. 



Phaeanthus cumingii Miq. Fl. Ind. Bat. 1- (1850) 51. 



In forests at 700 m. alt. (No. 5648). 



Widely distributed in the Philippines. Endemic. 



Phaeanthus acuminatus Merr. in Govt. Lab. Pub). 35 (lOOC) 11. 

 In forests at 150 m. alt. (No. 4321 Merritt) June. 1006. 

 Known only from ^lindoro and PalaAvan. 



, GONIOTHALAMUS Blume. 



Goniothalamus elmeri .Merr. in Govt. Lab. Pub). 29 (1905) 13. 

 In forests at 900 m. alt. (No. 4354 Merritt) .June, I'.HHi. 

 Widely distrilmled in tlie Philii)])ines. Endemic. 



