81 



Staininate inflorescence axillary, slender, spicate, many flowered, densely light 

 gray pubescent, often 20 cm. long, tlie flowers fascicled, sessile, ebracteolate, the 

 buds globose. Sepals 4, oblong-ovate, acute, pubescent, about 1 mm. long. 

 Stamens 8 ; filaments about 0.5 mm. long, free, the anther cells divergent. 

 Pistillate inflorescence slender, axillary, solitary, spicate, simple, 15 to 25 cm. 

 long, densely light gray pubescent. Flowers rather distant, sessile, ebracteolate, 

 solitary. Calyx 1 mm. in diameter or less, 3-lobed. Ovary globose or ovoid, 

 densely pubescent, 3-celled, about 1.5 mm. in diameter; styles 5 to G mm. long, 

 fimbriate. 



(2506 Merrill) June; (1249 Ahern's collector) August. In thickets below 

 100 m., a species well characterized by its very long, slender, ebracteolate, densely 

 pubescent spikes. 



2. A. stipulacea Klotz. ; Muell. Arg. 1. c. 807. 



(2640, 2847, 2848 Meyer) February, March. In forests 600 to 900 m. Malaya 

 to New Guinea. 



19. TRAGI A Linn. 



1. T. sp. 



(2910 Borden) March. Scandent, in forests at 200 m., a characteristic species 

 with oblong, cordate leaves, with few stinging hairs. Specimens with immature 

 fruit. 



20. HOMONOYA Lour. 



1. H. riparia Lour.; Muell. Arg. I. c. 1023. 



(6 Whitford) April; (6777 Elmer) November; (2237 Meyer) December; (286 

 Copeland) January; (724 Borden) May. Along the borders of, and on gravel 

 bars in the bed of the Lamao River below 300 m., abundant. Along most streams 

 throughout the Philippines. Tropical Asia to Java. T., Bayanti, Lumanaia. 



21. JATROPHA Linn. 



1. J. curcas Linn.; Muell. Arg. 1. c. 1080. 



(384 Whitford) June; (2582 Meyer) February; (7017 Elmer) November; 

 (6122 Leiberg) July. In old clearings below 100 m., a native of tropical America, 

 now planted throughout tlie Philippines. T., Tangonlangan. 



22. MAN I HOT Adans. 



1. M. utilissima Pohl.; Muell. Arg. 1. c. 1064. 



Occasionally cultivated (Whitford). A. native of tropical America, now gen- 

 erally cultivated throughout the Philippines. The Tapioca or Cassava. T., Ca- 

 nioting cahoy. 



23. CODI/EUM Rumph. 



1. Codiaeum (?) luzonicum Merrill, sp. nov. 



Erect, unbranched, shrubby, 0.8 to 1.6 m. high. Stems gray or brown, glabrous, 

 the younger portions somewhat ferruginous pubescent, the leaf scars large and 

 prominent. Leaves alternate, more or less crowded at the tip of the stem, char- 

 taceous, glabrous, somlewhat shining, narrowly oblong obovate to oblong oblan- 

 ceolate, entire, the apex abruptly acute or rovmded, gradually narrowed below 

 to the acute, often rather abruptly cuneate base, 20 to 30 cm. long, 5 to 11 cm. 

 wide; nerves 13 to 15 on each side of the midrib, prominent beneath, spreading, 

 distant, the reticulations very lax; petioles stout, 2 to 4 cm. long. Dioecious. 

 ]\Iale inflorescence terminal or axillary, racemose, erect, 20 to 40 cm. long, the 

 rhachis stout, appressed pubescent. Flowers white, the buds globose, the pedicels 

 5 to 10 mm. long, slender, pubescent, usually fascicled. Sepals, 5, orbicular ovate, 

 rounded, about 5 mm. long, appressed hirsute pubescent outside. Petals none. 

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