154 MR. H. N. RIDLEY ON PLANTS 
ELATOSTEMA NOVO-GUINEENSE, Warb. in Engl. Bot. Jahrb. xiii. (1891) 290. 
Camp VI5, 3900 ft. 
Distrib. Endemic in New Guinea. 
ELATOSTEMA BLECHNOIDES, Ridl., sp. nov. _ 
Caulis ascendens, gracilis, flexuosus, pubescens. Folia sessilia, lanceolata, serrata, 
acuminata, basi inzequaliter cordata, 5'5 cm. longa, 9 mm. lata, superne glabra, 
nervis 15 paribus subtus appresse hirtis. Florum glomeruli sessiles, axillares, - 
3 mm. lati; bracteze lanceolate, margine longe hirtze, involucrales lineari-lanceolatze, 
hirtee. Flores feminei minuti, pedicellati. Sepala brevia, linearia, obtusa. Achenia 
ellipsoidea, levia, utrinque paullo angustata, pallide brunnea, ferme 1 mm. longa. 
Flores masculi desunt. 
Camps VIII to IX, 4900 to 5500 ft. 
Allied perhaps to the last, but the leaves are much more deeply serrate and not 
ingequilateral, except at the extreme base. 
ELATOSTEMA FILICINUM, Ridl., sp. nov. 
Herba ascendens, ramosa, caulibus gracilibus glabris. Folia opposita, insequalia, 
majora lanceolata, acuta, haud obliqua, basi lata, rotundata, inzequaliter cordata, 
15 em. longa, 1 cm. lata, nervis 6 paribus; minora ovata, 5 mm. longa. Flores 
masculi glabri, pauci in capitulo 3 mm. lato, subumbellati, breviter pedicellati, 
2 mm. longi; pedunculi filiformes, 5 cm. longi, axillares; bractese lanceolate, 
acute, parve. Sepala 5, ovata, orbicularia, apice rotundata. Stamina 5, 
| filamentis inflexis. Sepala staminibus multo longiora, antheris cordatis, loculis ad 
basin divaricatis. Flores feminei non visi. 
Camp I, 700 ft. 
Allied to Æ. surculosum, Wight, var. pedunculosum of India. 
ELATOSTEMA POLYPODIOIDES, Ridl., sp. nov. 
- Herba ascendens, simplex, 8-10 cm. longa, caule gracili hirto, pilis appressis. Folia 
disticha, alterna, lineari-oblonga, subacuta, falcata, valde ineequilatera, 7 mm. longa, 
2 mm. lata, sessilia, ssepe 1 vel 2 dentibus versus apicem instructa, herbacea, superne 
atro-viridia, conico-bullata, pilis singulis in apieibus bullarum, subtus pallida, depres- 
sionibus profundis. Flores masculi singuli, axillares, 1 mm. longi; bractes 2, 
lanceolate, acute, virides, earinatze, glabre, rubro-punctate; pedicellus minutus. 
Sepala 4, ovata, mucronulata, rosea. Stamina 4, alba, antheris ovatis. Flores 
feminei desunt. : 
Camp IV 5, 3900 ft. 
The habit of this plant is exactly that of an Hlatostema. It has oblique distichous 
leaves, the base inzquilateral, bilobed, with one large rounded lobe. The underside of 
the leaf bears conspicuous rounded depressions, which correspond to elevations on the 
