NOTES ()i\ PHILIl'lMNE HOTANY. 97 



cm long, most of them, however, vaiying from 1 to "^.5 cm in length, 

 the axillary spines nearly straight, 5 to 7 mm long. 



Luzon, Province of Benguet, Tilad, Jjohcr J!Ki8, distvibutLMJ as .1. raceiiiusKs. 



The genus is new to the Philippines, tlie .species extending from .Japan and 

 Korea to Formosa and southern China. 



CAKY( )riiy LLACJE.E. 



ARENARIA Linn. 



Arenaria serpyllifolia Linn. Sp. PI. (1753) 423; DC. Prodr. 1 (1824) 411; 

 Edgw. in Hook. f. Fl. Brit. Ind. 1 (1874) 239; Forbes & Hemsl. in .lourn. Linn. 

 Soc. Bot. 23 (1886) 70. 



Luzon, Province of Benguet, Loo, Lohvr IG.il. 



A widely distributed species in temperate and subtemperate regions, the first 

 representative of the genus to be found in the Philippines, apparently indigenous. 



S AGIN A Linn. 



Sagina procumbens Linn. 8p. PL (1753) 128; Edgw. in Hook. f. Fl. Brit. 

 Ind. 1 (1874) 242. 



Luzon, Province of Benguet, Loher l(i22. 



Widely distributed in the north and south temjierate zones, in Asia southward 

 to western Tibet and Sikkini; the first representative of the genus to be found 

 in the Philippines. 



IMJLYGONACE.l^. 



POLYGONUM Linn. 



Polygonum alatum Hamilt. in U. Don l^rodr. Fl. Nepal. (1823) 72; Hook, 

 f. Fl. Brit. Ind. 5 (1886) 39; Forbes & Hemsl. in -Journ. Linn. Soc. Bot. 26 

 (1891) 340. 



Polygomuii nriialense Meisn. in DC. Prodr. 14 (1856) 128. 



Luzon, Province of Benguet, Loher 5.i01. 



Afghanistan to Ceylon, China, Japan and the Malay Archipelago; new to the 

 Philippines. 



Polygonum glabrum Willd. Sp. PI. 2 (1799) 447; Meisn. in DC. Prodr. 14 

 (1856) 114; Hook. f. Fl. J?rit. Jnd. 5 (1886) 34; Forbes «&, Hemsl. in Journ. 

 Linn. Soc. Bot. 26 (1891) 340. 



Luzon, Province of Benguet, Elmer ')'.)1() ; Loher -'i-VJ'i. 



Tropical and subtropical regions of Asia, Africa and America; new to the 

 Philijjpines. 



Polygonum Hydropiper l^inn. Sp. PI. (1753) 301; Meisn. in DC. Prodr. 14 

 (1856) 109; Hook. f. Fl. Brit. Lul. 5 (1886) 39; Forbes & Hemsl. in Journ. 

 Linn. Soc. Bot. 26 (1891) 340; Walp. in Nov. Act. Nat. Cur. 19 (1843) Suppl. 

 1 : 407. 



Luzon, Mcijen in Herb. Berol.; Province of Benguet, Kabayan, Merrill .J//..AS, 

 October, 1905. 



Western Europe and northern Africa to Cliina, Japan, and .lava, also in Nortli 

 America. 



Walpers' identification of ]\Ieyen's specimen appears to be correct, it having 

 been examined in the Berlin Herbarium in January, 1908, but the specimen 

 collected by Meycii in Luzon, and reported by Walpers 1. c. as Pohjfjou>iin 

 Persicaria Linn., is not that species, but /-'. harbatum Linn. 



