528 
ROBINSON. 
sparingly pubescent, the inner becoming smaller and obovate; bracteoles 
oblanceolate, 6 mm long, long-ciliate near the apex ;. perianth-segments 4, 
about 3 mm long; anthers becoming nearly 2 mm long: pistillate recep- 
tacles sessile, up to 14 mm in diameter; bracts united at their bases, free 
and stellately arranged along the margins of the receptacles, the free 
portions lanceolate to ovate, 3 to 4 mm long, densely ciliate and some- 
what pilose on the back, slightly cornieulate; bracteoles linear-oblan- 
ceolate, 3 mm long, long-ciliate; flowers very numerous, shortly pedicel- 
late; perianth 3-lobed, about 0.1 mm long; achene brown, 0.6 mm long, 
longitudinally striate. 
Adult plants very succulent, the younger less so, the stems angled and 
grooved, 30 to 80 cm high, strigose especially toward the apex: leaves 
subsessile, the lamina subehartaceous, obliquely oblanceolate to obovate, 
6 to 25 cm long, 2 to 9.5 cm wide, very inequilateral at the base, one side 
acute or more rarely obtuse ending 5 to 10 mm from the stem, the other 
subauriculate, or more rarely merely obtuse, the narrower side entire for 
about half its length, then with 5 to 12 serrations, the serrations of the 
wider side usually beginning much, nearer the base and 12 to 20 in num- 
ber, not deep in proportion to the size of the leaves, the apex forming an 
acute acumen, often scabrous on both surfaces, especially beneath, or the 
pubescence softer and appressed, the dpper surface also with numerous 
conspicuous long cystoliths; triplinerved or the nerve of the narrower 
side subbasal, other veins 4 to 6, all uniting by frequent anastomoses; 
stipules lanceolate, up to 17 mm long. 
Luzon, Province of Nueva Vizcaya, Quiangan, Merrill 206, part: Province of 
Bataan, Mount Mariveles, Whitford s. n. : Province of Laguna, Los Banos, 
Merrill 5118 (type), Elmer 8313, Phil. PI. 262 Robinson, Bur. Sci. 6735, 9907 
Robinson; Mount Maquiling, Merrill 7133: Province of Tayabqs, Mount Binuang, 
Bur. Sci. 91(66 Robinson ; Lucban, Elmer 9203. Mindanao, Lake Lanao, Camp 
Keithley, Mrs. Glemens 1(11. 
The spurs upon the staminate bracts are most conspicuous in young receptacles, 
as they do not increase proportionally, and might be overlooked on superficial 
inspection of dried mature material. The species has much the appearance of 
E. cupreo-viride Reeh., 33 but is larger, with very different stipules. 
23. Elatostema lanaense sp. nov. 
Monoicum vel dioicum : receptaculis staminiferis sessilibus, bracteis 
exterioribus orbiculari-ovatis, carinatis, corniculatis, pilosis, ciliatis : 
floribus tetrameris : receptaculis pistilliferis adhuc juvenilibus, sessilibus : 
foliis sessilibus, membranaceis, oblique obpvatis, basis uno latere acu-tis 
vel obtusis altero obtusis vel subauriculatis, margine grosse paucidentatis, 
apice breviter vel longiuscule acuminatis. 
Staminate receptacles sessile, up to 9 mm in diameter; outer pair of 
bracts orbicular-ovate, keeled, cornieulate, pilose, ciliate, free from one 
33 Fedde, Rep. Nov. Sp. 6 (1908) 49; Bot. Zool. Ergeb. Samoa. Neuguinea, u. 
Salomoninseln 3 (1910) 101, pi. 8. 
