COLLECTED IN DUTCH NEW GUINEA, 31 
. PERROTTETIA CAUDATA, Ridl., sp. nov. 
Frutex virgatus. Folia alterna, coriacea, elliptica, abrupte caudata, obtusa, basi 
cuneata, 7 cm. longa (cauda 2 em.), 2 cm. lata, nervis utrinque prominulis paribus 
ad 17, petiolis 1:5 cm. longis. Racemi (vel panicule) graciles, laxi, parviflori 
et pauciflori, 2-3:5 cm. longi, basi longe nudi. Bractee minute, lanceolate, 
obtuse. Flores remoti, pauci, 2 mm. lati, pedicellis 1 mm. latis. Sepala 5, 
minuta, ovata, obtusa. Petala 5, paullo longiora, oblonga, obtusa. Stamina 5, 
filamentis brevibus crassiusculis apicibus attenuatis, antheris ovatis acutis. Discus 
coniplanatus, angustatus, tenuis. Pistillum conicum, stylo brevi. 
Camp VIA, 3900 ft. 
Very different in foliage from most species of the genus, but closely resembling 
P. alpestris, Blume, in the form of the flower. 
AMPELIDEA. 
Cissts (§ TETRASTIGMA) VIRIDESCENS, Ridl., sp. nov. . 
Caulis gracilis, haud lignosus, nec lenticulatus. Folia trifoliata, glabra (sicca 
brunnea), herbacea, lanceolata, elliptica, basi vix angustata, obtusa, in marginibus 
sparse denticulata, 9 cm. longa, 5 cm. lata, nervis 8 paribus, petiolulis 4-5 cm. 
longis, petiolo 4 cm. longo. Cyme parve, axillares, pedunculis gracilibus 1:5 em. 
longis, ramis paucis brevibus pubescentibus. Flores perparvi, 1 mm. longi, in 
pedicellis pubescentibus 1 mm. longis. Sepala brevia, rotundata, pubescentia. 
Petala 4, multo longiora, lanceolata, acuta, pubescentia. Stamina minuta. Pistil- 
lum breve, conicum. 
Canoe Camp, 500 ft. “ Flowers greenish white.” 
Allied to C. papuana, Miq. and C. pergamacea, Blume, but with thinner lanceolate 
leaflets and very small flowers. 
CissUS GRANDIFOLIA, Warb. in Eng]. Dot. Jahrb. xviii. (1893) 199. 
Canoe Camp, 150 ft. “ Flowers yellowish white." 
Distrib. Endemie in New Guinea. 
Cissus CONCHIGERA, Ridl., sp. nov. 
Caulis rufo-hirtus. Folia simplicia, alterna, ovata, cuspidata, cordata, marginibus 
sinuatis cum processubus aculeiformibus in apicibus nervorum, 8 cm. longa, 5:5 em. 
lata, supra glabra costa depressa hirta excepta, subtus in nervis et nervulis rufo- 
hirta, nervis 8 paribus, petiolis 9 cm. longis rufo-hirtis. Séipule orbiculari- 
oblonge, hirtz, plane, 3 mm. longe et sequilatz. ^ Cyme composite, axillares et 
terminales, peduneulis 1-2 em. longis hirtis. Pedicelli 2 mm. longi, graciles. 
Calyx cupuliformis, ore integro, pubescens. Petala 4, libera, oblonga, obtusa. 
Discus rotundatus, lobatus. Pistillum conicum, protrusum. Stylus filiformis, 
longiusculus. E | de a 
Camp VIa, 3100 ft. 
