COLLECTED IN DUTCH NEW GUINEA. 155 



upper side, on each of which is borne a translucent trichome. The male flowers are 

 solitary, axillary, enclosed in a pair of bracts. In this the plant resembles a Filea 

 rather than Elatostema, but as the habit is exactly that of an Elatostema I refer it to 

 that genus. 



Elatostema potejiiifolitjm, RidL, sp. nov. 



Herba ascendens, parce ramosa, hirta, pilis acuminatis alhis translucentibus, ramis 

 3-5-10 cm. longis. Folia alterna, oblonga vel obovata, insequilatera, basi angustata, 

 apice obtusa, dentatis dentibus latis, 1 cm. longa, 7 mm. lata, crassiuscula (sicca), 

 superne atro-viridia, glabra, nervis 5 profunde depressis, subtus hirta, nervis elevatis; 

 petiolis 2 mm. longis. Stipulcn ovatre, lauceolatse, acutse, 4 mm. longte, mem- 

 branacese, cystolithis in linea media. Mores masculi non visi. Flores feminei in 

 capitulis 4 mm. latis sessilibus ; bracteae lanceolatiie, acuminata3, hirtse ; pedicellus 

 brevis. Sepalo, minuta, ovata, obtusa. Ovarium ellipsoideum, breviter stipitatum. 

 Achcenium ellipsoideum, 1 mm. longum, pallide flavescens, rubro-punctatum. 

 Camp XIII, 10,500 ft. 



A pretty species, with thick, close, and dark gi-een leaves. In the female capitula are 

 a number of apparently sterile male flowers, each containing one stamen, with a 

 broad filament and a slender triangular-ovate anther. 



o' 



Elatostema celaticaule, Eidl., sp. nov. 



Herha caulibus simplicibus vel paullo ramosis hirtis ascendentibus 10-20 cm. longis. 

 Folia herbacea, disticha, sessilia, in uno piano imbricata, oblonga, semi-amplexi- 

 caulia, valde insequilatera, basi rotundata, apice obtusa, 9 mm. longa, 5 mm. lata, 

 glabra costa subtus squamata excepta. Slipulcs membranacese, lineares, rufae, 

 caducse. Flores masculi axillares, superni, sessiles ; bracteae lanceolatye. Sepala 4, 

 oblonga, ovata, caudato-mucronata, 2 mm. longa. Stamina 4, filamentis oblongo- 

 linearibus, antheris linearibus magnis. Flores feminei 3-4-ni, in fasciculos axillares 

 breves aggregati, verticillo bractearum suffultis, breviter pedicellati ; bracteos ad 6 

 laneeolatse, acuminata;, exteriores latiores, herbacete, longe ciliatse, hirtse, brunneo- 

 striatae, 3 mm. longae ; pedicelli breves. Sepala angusta, lanceolato-linearia, 

 acuminata, basi connata, brunnea, glabra, vix 1 mm. longa. Staminodla 4, majora, 

 latioi'a et longiora, oblonga, obtusa, alba. Stigma minuta, capitata. Achcenium 

 1 mm. longum, ellipsoideum, breviter pedicellatum, apice obtusum, brunneo-flavum, 

 obscure pustulatum. 

 Camps X to XIII, 6700 to 10,500 ft. 

 A very remarkable species, with distichous leaves in one plane, entire and smooth, 



drying dark brown. The axillary male flowers are on the upper side, and the females 



on the lower side in branched fascicles with whorls of bracts, each surrounding three 



flowers. 



x2 



