228 Philippine Journal of Science 1919 



ARACEAE 

 POTHOS Linnaeus 



POT H OS REPENS (Lour.) comb. nov. 



Flagellar ia repeiis Lour. Fl. Cochinch. (1790) 212, ed. Willd, (1793) 



263. 

 Pothos loureirii Hook. & Am. Bot. Beechy's Voy. (1841) 220; Schott 



Aroid. 1 (1853) 23, t. A9, Prodr. (1860) 567; Engl, in DC. Monog. 



Phan. 2 (1879) 87; N. E. Br. in Journ. Linn. Soc. Bot. 36 (1903) 



186, Curtis's Bot. Mag. t. 77U; Engl. Pflanzenreich 21 (1905) 35, 



/. 15. 

 Pothos terminalis Hance in Ann. Sci. Nat. V 5 (1866) 247. 

 Pothos microphyllus Schott Aroid. 1 (1853) 23, t. 40, f. B. 



This species is known from Kwangtung Province, Hainan, and 

 Tonkin, and is represented by Levine 1989 from Teng Woo 

 Mountain, Kwangtung Province, and by Hongkong Botanic Gar- 

 den 2243 from Hainan, The oldest valid specific name is here 

 adopted, as Loureiro's description applies in all respects to the 

 species as currently interpreted. , 



AR ISA EM A Martius 

 ARISAEMA KWANGTUNGENSE sp. nov. § Pedatisecta. 



Herba circiter 40 cm alta; foliis solitariis, pedatisectis, seg- 

 mentis plerumque 11, omnibus sessilibus, lanceolatis, acuminatis, 

 6 ad 9 cm longis, 1 ad 1.8 cm latis, basi angustatis; scapus 15 ad 

 18 cm longus; spathae tubus 5 cm longus, cylindricus, deorsum 

 leviter angustatus; lamina ovata ad oblongo-ovata, 4 ad 5.5 cm 

 longa, usque ad 3 cm lata, tenuiter acuminata, basi rotundata; 

 spadicis appendix usque ad 10 cm longa. 



Corms unknown. Peduncular part of the plant 15 to 20 cm 

 long, bearing one leaf and one inflorescence, the free petiolar 

 part of the leaf 4 to 6 cm long. Leaves pedately lobed, the seg- 

 ments mostly 11, membranaceous, lanceolate, slenderly acumi- 

 nate, narrowed below, all sessile, 6 to 9 cm long, 1 to 1.8 cm 

 wide. Scape 15 to 18 cm long, smooth, slender. Spathe pale 

 green, its tube cylindric, slightly narrowed below, 5 cm long, 

 the lamina membranaceous, ovate to oblong-ovate, 4 to 5.5 cm 

 long, up to 3 cm wide, base rounded, apex slenderly acuminate 

 but not caudate. Spadices unisexual, the staminate ones about 

 3 mm in diameter, floriferous for a distance of about 3 cm, the 

 appendage slender, smooth, up to 10 cm long, 1 to 1.3 mm in 

 diameter. 



