108 MR. H. N. RIDLEY ON PLANTS 
impressed above, prominent below; petioles stout, broadly channelled above, finely 
puberulous on the back, 1-2 cm. long. Petals apparently yellow. 
To be inserted in the genus near S. Stawelii, F. Muell. The large leaves taken 
together with the very small flowers afford an easy means of distinguishing the species. 
SyuPLocos ($ BoBuA) Krossir, S. Moore, sp. nov. : 
Suffrutex circiter spithameus, omnimodo glaber. Caulis erectus, simplex vel rari- 
ramosus, inferne nudus et cicatricibus crebris foliorum mortuorum preeditus, superne 
folis laxe imbricatis. Folia parvula, +107 mm., subsessilia, oblongo-obovata, 
obtusa, basi angustata, margine apicem versus paucidenticulata, alibi integra, 
coriacea, nervis paucis in pagina superiore impressis in pagina inferiore eminen- 
tibus. Flores in axillis solitarii, pedicellis cirea 0-5 mm. longis fulti. Bractee 
ut bracteole ambitu ovato-oblongse, obtuse, cymbiformes, ovarium amplectentes, 
2 mm. longe. Calycis lobi suborbiculares, subtilissime serrulati, 2 mm. longi. 
Petala calycis lobos paullulum excedentia, basi breviter connata, ovata vel oblongo- 
obovata, obtusissima, 3 mm. longa. Stamina circa 16, obscure pentadelphia, 
petalis haud longiora; filamenta basi connata, glabra, longiora 2 mm., breviora 
1mm.longa. <Anthere ovoidee, 0°75 mm. longs. Ovarium aliquanto compressum, 
3-loculare, 1x 1:5 mm.; stylus 1 mm. longus. 
Camps XIII to XIV, 10,500 to 12,500 ft. 
Leaves drying yellow-green, as usual with the genus; lateral nerves 2 or sometimes 
3 on each side of the midrib. Petals yellow, longitudinally nerved. Filaments fleshy, 
especially towards the base. 
Leaves almost exactly like those of S. Erglishii, Hemsl., but flowers different in 
several respects, especially the corolla. 
APOCYNACEA. 
(By H. F. WERNHAM.) 
WILLUGHBEIA NOVO-GUINEENSIS, Wernham, sp. nov. 
Frutex glaber. Folia elliptico-oblonga, subcoriacea, 6-8 cm. x 2:5-3:5 cm., supra 
nitentia, breviter acuminata, acuta, brevissime petiolata; vene secundarie 
numerose, approximatz, recte, angulo 75°-80° e costa centrali emergentes. 
Flores in cymulas trichotomas sepius 3-floras alares dispositi; pedunculi ad 
6-8 mm. longi, glabri, pedicellos nec semper equantes. Calyx vix 2 mm, longus, 
+ ad medium in lobos oblongo-rotundatos divisus. Corolle tubus extus glaber, 
subcylindricus, 6 mm. longus, ore constrictus ; limbus tortus, diametro 1:5 mm. 
Camps VIII to IX, 4989 to 5875 ft. 
Characterised especially by the very slender, almost filamentous branches of the 
few-flowered inflorescence. 
ALYXIA RIDLEYANA, Wernham, sp. nov. 
Ramuli teretes, striati, novelli minute pulverulento-puberuli. Folia coriacea, 3-4-natim 
verticillata, elliptica, glabra, brevissime obtuse acuminata, basi rotundata, brevissime 
