PHILIPPINE URTICACEAE. 
525 
cm longis, 8 acT 22 mm latis, alias minoribus sed similibus, basi uno 
latere acutis altero auriculatis obtusis vel rari'ssime acutis, margine e 
basi obtuse vel subacute altiuscule dentatis, dentibus saepe dentatis, apice 
in acumen gracile dentatum protractis, subpenninerviis, venis utrinque 
4 ad 8, subtus sparse pubescentibus ; cystolitbis ininutis; stipulis lan- 
ceolatis, circiter 6 mm longis, . persistentihus. 
Mindanao, District of Davao, Baruring River, Elmer 11751, 11746. Negros, 
Canlaon Volcano, Merrill 6907. Polillo, Bur. Sci. 6841 Robinson. Both the 
last differ slightly from the type, but not in essential characters. The leaves are 
somewhat similar to the more normal ones of E. diversifolium Wedd., but the 
aberrant ones of the latter are wanting, and there are many other differences. 
18. Elatostema hastatum Elmer Lead. Philip. Bot. 2 (1908) 466. 
Eepens, succulentum, caulibus circiter 30 cm longis, apice praesertim 
setosis : receptaculis staminiferis sessilibus, bracteis extus eiliatis vel 
strigosis, subliberis; floribus pedicellatis ; perianthii segmentis -stamini- 
busque 5 : foliis submembranaceis, oblique oblongis vel obovatis, 10 ad 
15 mm longis, 4 ad 6 mm latis, vel nonnullis minoribus, superioris 
lateris basi acutis vel obtusis, inferioris lateris oblique vel subrecte pro- 
tractis, caulem saepissime obtegentibus semihastatisque, dentibus praeter 
medium superioris lateris 2 , inferioris 3, dente terminate breve, haud 
protracto; triplinerviis, venis 1 vel 2 ; cystolithis in utraque pagina 
conspicuis, superne sparse subtus in venis densius. setosis. 
Negros, Province of Negros Oriental, Cuernos Mountains, Elmer '9829 (type 
collection) . The leaf-base is very characteristic. 
19. Elatostema viridescens Elmer Lead. Philip. Bot. 1 (1908) 285. 
Erectum, inflorescentiis pistilliferis exceptis glabrum, 20 ad 90 cm 
altum, caule valde succulento, sulcato : dioicum vel rariter monoicum ; 
receptaculis staminiferis saepissime brevissime pedunculatis ; bracteis 
exterioribus ' orbiculari-ovatis, circiter 5 mm longis, apice acuminatis, 
eiliatis, cornu cylindraceo falcato 2 ad 3 mm longo instructis, bracteis 
interioribus multo minoribus, haud vel obscure corniculatis; floribus 
tetrameris : receptaculis pistilliferis solitariis vel binis, sessilibus, circiter 
5 mm diametro; bracteis exterioribus suborbicularibus, conspicue corni- 
culatis ; floribus typicis : foliis membranaceis vel subclrartaceis, oblique 
laneeolatis vel anguste ellipticis, saepius subfalcatis, triplinerviis, lateris 
superioris basi acutis, inferioris acutis vel brevissime auriculatis, super- 
ioris lateris dentibus vel serraturis 4 ad 11, inferioris 8 ad 15, dente 
terminali in acumen protracto ; stipulis linear i-lanceolatis, 4 ad 7 mm 
longis. 
Luzon, Province of Bataan, Lamao River, Williams 306: Province of Cavite, 
Mendez Nunez, Bur. Sci. 1350 Mangubat: Province of Laguna, Los Banos, Elmer 
8076 (type collection), Bur. Sci. 6715, 9895 Robinson, Phil. PI. 263 Robinson, 
Hallier s. n. : Province of Tayabas, Atimonan, Whitford 631. 
