PLANTS NOVJi] PAPUANS 293 



ASCLEPIADACE^. 



Hoya (§ Eu-Hoya) sogerensis, sp. nov. Planta scandens, 

 caule satis valido folioso interdum radicante, foliis per rata magnis 

 ellipticis vel elliptico-oblongis breviter acuminatis apice obtusis 

 basi obtusis 5-nervibus carnoso-coriaceis glabris petiolis sat longis 

 incrassatis insidentibus, pedunculis robustis foliis multoties brevi- 

 oribus, umbellis circa 20-floris, pedicellis tenuibus pedunculo 

 saepissime brevioribus et pedunculis omnino glabris, calycis parvuli 

 segmentis ovatis obtusis glabris, corolla mediocri rotata ultra 

 medium divisa lobis rbombeo-ovatis acutis recurvis intus props 

 basin glabris alibi minute papillosis, coronae phyllis horizontalibus 

 apice (interne) obtusis superne ovatis medio concavis postice 

 acutis lafceribus oblongis crassiusculis, antherarum alis optime 

 prominentibus, polliniis oblongo-pyriformibus apice obtusissimis, 

 glandula ovata caudiculas teneras duplo excedente. 



British New Guinea, Mt. Sogere, 1750-2000 ft. ; H. 0. Forbes, 

 sine no. 



Caulis saepius 2-3 mm. diam., nonnunquam usque ad 4 mm. 

 Folia pleraque 10-16 x 3-4 cm., in sicco viridi-grisea ; nervi 

 utrinque eminentes ; petioli 1-2 cm. long., superne canaliculati, 

 summum 5-6 mm. diam., siaepissime vero tenuiores. Pedunculi 

 2-4 cm. long. ; pedicelli 17 mm. Flores pedicellique purpurei. 

 Calycis segmenta gegre 2 mm. long. Corolla circa 12 mm. diam. ; 

 lobi 4-5-5 X 5 mm. Coronas phylla (sensu radiato) 4 mm. long., 

 superne 2 mm. lat. PoUinia "6 mm., glandula '25 mm. long. 



Judging from the description, this should be placed next 

 H. marginata Schlechter, which, inter alia, has larger and broader 

 acuminate leaves and a corona diverse in some respects. 



Hoya (§ Eu-Hoya) lactea, sp. nov. Caule scandenti crasso 

 satis crebro folioso foliis petiolatis oblongo-ovatis apice rotundatis 

 ipso interdum brevissime acuteque cuspidulatis basi rotundatis 

 levissime cordatis carnoso-coriaceis utrinque glabris, umbellis cir- 

 citer lO-Horis, pedunculis validis quam pedicelli gracillimi necnon 

 puberuli brevioribus, calycis segmentis ovatis obtusis glabris, 

 corolla pro rata mediocri rotata ultra medium lobata extus glabra 

 intus basi glabra alibi et in lobis subtiliter puberula lobis rotundato- 

 ovatis breviter acuminatis, coronae phyllis crassis apice (interne) 

 erectis acutisque externe ascendentibus et gynostegium superan- 

 tibus superne ovatis concavis postice obtusis lateribus rotundatis 

 crassiusculis, polliniis oblongo-pyriformibus obtusissimis caudi- 

 culis perbrevibus glandulae oblongge affixis. 



British New Guinea, Mt. Gandada, 3000 ft. ; H. 0. Forbes, 872. 

 "Without locality ; id., 925 in part. 



FoHa saepissime 9-12 cm. long., 4-5-6-5 cm. lat., in sicco 

 viridi-grisea, pag. sup. aliquantulum nitidi ; costa media pag. inf. 

 prominens ; costae laterales ut reticulum mediocriter eminentes ; 

 petioli 10-18 mm. long. Pedunculi 1-5-2 cm., pedicelli 3 cm. 

 long. Flores lactei. Calycis segmenta fere 2-5 cm. long. Corolla 

 pansa circa 13 mm. diam., pars indivisa 3 mm. lobi 4-5 mm. long. 

 Coronae phylla vix 3 mm. long, (sensu radiato). Pollinia -6 mm., 



