xi, c, 3 Merrill: New Philippine Vitaceae 137 



Whit ford 16, flowering specimen, to T. harmandii Planch. He says: "Je ne 

 puis separer de T. Harmandii les echantillons suivants des Philippines: 

 Luzon central, Manille, Balic-balic, n° 356 [Loher] ; prov. de Bataan, monts 

 Mariveles, n" 16 [Whit ford]." There is absolutely no doubt but that 

 Merrill 3258, October, is identical with, and is the fruiting stage of, 

 Whit ford 16, April, from the same locality, altitude, and habitat, and that 

 Gagnepain was in error in referring the two to different species. 

 The Philippine material appears to me to be referable to Tetrastigma 

 harmandii Planch., rather than to T. strumarum (Planch.) Gagnep., and 

 so far as the specimens are comparable, agrees with Thorel 1345 from 

 Chochin China, in the herbarium of the Bureau of Science. 



The species is not uncommon in thickets on the low dry hills about 

 Manila, and is now occasionally found in cultivation for the purpose of 

 covering walls, shading porches, etc. Most of the specimens cited above 

 have been determined, and the duplicates distributed, as Tetrastigma lan- 

 ceolarium Planch. 



TETRASTIGMA PAPILLOSUM (Blume) Planch, in DC. Monog. Phan. 5 

 (1887) 429; Gagnep. in Not. Syst. 1 (1910) 317. 

 Cissus papillosa Blume Bijdr. (1825) 183. 

 Cissus suberosa Elm. Leafl. Philip. Bot. 2 (1908) 493. 



Luzon, Province of Rizal, Oriud, Loher 5831, August, 1905, c? flowers. 

 Negros, Cuernos Mountains, Elmer 9500, March, 1908 (type number of 

 Cissus suberosa Elm.). Mindanao, Lake Lanao, Mrs. Clemens s. n., four 

 collections, September, October, November, 1906, September, 1907, with 

 both flowers and fruits: District of Davao, Mount Apo, Elmer 11650, 

 September, 1909. 



Java, Borneo, and New Guinea. 



This species is well characterized by its papillose branchlets, and is 

 apparently closely allied to Tetrastigma ramentaceum Planch., of Cochin 

 China, a cotype of which is in the herbarium of the Bureau of Science. 

 Although I have seen no extra-Philippine material of Tetrastigma papillo- 

 sum, I have no hesitation in reducing to it Cissus suberosa Elmer. Mr. 

 Elmer's species is in all respects a Tetrastigma, not a Cissus, and our 

 material agrees perfectly with the descriptions of Blume's species. 



TETRASTIGMA CLEMENTIS sp. nov. 



Frutex scandens inflorescentiis exceptis glaber; foliis 3-folio- 

 latis, foliolis chartaceis vel subcoriaceis, subellipticis, utrinque 

 subaequaliter angustatis, basi acutis, apice breviter acuminatis, 

 usque ad 15 cm longis, margine distanter serratis ; inflorescentiis 

 densis, brevibus, ferrugineo-pubescentibus, multifloris, breviter 

 peduneulatis, quam petiolo brevioribus ; floribus 4-meris, petalis 

 extus pubescentibus, obtusis, ovario pubescente. 



A vine, glabrous except the inflorescence, or the younger parts 

 slightly pubescent, the tendrils up to 20 cm in length, the stems 

 and branches terete, brownish when dry. Leaves 3-foliolate, 

 their petioles 3 to 10 cm long; leaflets subelliptic, 9 to 15 cm 

 long, 4.5 to 8 cm wide, subequally narrowed at both ends, the 

 base acute, the apex shortly acuminate, chartaceous or subco- 



