170 
RaopopenpRoN DevyriesiaANnum Kds.! in Nova Guinea, viii. (1909) 185 ;. 
viii. (1912) t. cli; xii. (1914) 141. 
Arfak Mts., Angi lakes, edge of forest and spinneys, in open marsh by 
? lake, 7000’. Fl., Fr. (yg.). Dec. 5541. 
Distrib. New Guinea (D.N.W., Arfak Mts., Angi lakes, Gyellerup ; 
D.S.W., Resi Riicken, Versteeg). 
Magnificent white flowers, pink when older. 
‘ 
RHoODODENDRON VonroEMERI Kds.! in Nova Guinea, viii. (1912) 879, t. clv. 
Arfak Mts., Angi lakes, in open marsh by ¢ lake, abundant, 7000'. Fl. 
Dec. 5554 & 5714.—The like in spinneys by 2 lake, undergrowth in forest, 
7000’. Fl. Dec. 5923. 
Distrib. New Guinea (D.N.W., Cyclops Mts.; Arfak Mts., Angi lakes, 
Gjellerup ; D.S.W., Hellwig Mts., von Roemer). 
Shrub, flowers yellow. 
Diptycosta Linianaz J. J. 8., sp. nov. 
Frutex, ramulis setis longis patentibus apicem versus attenuatis apice paulo — 
incrassatis vestitis. Folia alterna, pulvinis inserta, patentia, petiolata, elliptica, seepe 
plus minusve obovata, apice obtusa vel rotundata, apiculo lato obtuso a dorso com- 
presso antice convexo dorso plano terminantia, basi obtusa vel cuneata, breviter in 
petiolum acuminata, subintegerrima, non raro insertationibus pilorum obsolete crenu- 
lata, setoso-ciliata, supra glabra, subtus sparse patenter setosa, 3—5-plinervia, nervis 
supra insculptis, basilaribus adscendentibus eurvatis superioribus usque ad apicem 
productis, sicco rigide coriacea, supra nitidula et rugulosa, subtus opaca, ¢. 1-5—4°3 em. 
longa, 0°85-3°5 cm. lata; petiolus supra sulcatus, setosus, c. 0-25-05 em. longus. 
Inflorescenti@ axillares, fasciculares, c. 2-3-flore. Flores nutantes, pedicello tereti, 
basi leviter incrassatus, setis longis patentibus apice leviter incrassatis et saepe incur- 
vulis densius vestito, c. 0°525—0°8 em. longo, apice sub flore bracteolas 2 oppositas 
divaricatas ovato-semiorbiculares obtusas basi utrinque rotundatas concavas ciliolatas 
dorso setosas fere 0-1 cm. longas 0°18 cm. latas gerente. Torus supra bracteolas — 
contractus. Calyx 5-partitus, c. 0°525 cm. diam., laciniis patentibus, ovato-trian- 
gulis. subacutis vel obtusiusculis, interdum apiculatis, concavis, ciliolatis, intus glabris, 
dorso margine excepto dense et longe patenter sicco ferruginex setosis, c. 0-23-0-25 em. 
longis, 0°175-0-2 cm. latis. Corolla cylindrico-urceolata, 5-loba, utrinque glabra, 
explanata c. 0°63 cm. longa, 0°75 cm., limbo 0°65 em. lata, lobis recurvulis, triangulis, 
apice contractis obtusis. Stamina 10, undata, ¢. 0-475 em. longa ; filamentum lineare, 
inferne leviter dilatatum, minutissime papillosum, explanatum ec. 0-36-0-375 em. 
longum, anthera in } supra basin dorsifixa, oblonga, ad } infra apicem bifida, basi 
valde oblique obtuse 4-lobula, apice excepto echinulato papillosa, c. 0-15—0-16 em. 
longa, thecis parallelis, antice sulco separatis, sulco longitudinali oblique laterali 
instructis, poro introrso hiantibus, pariete postico triangulo-productis apice obtusis 
incurvisque. Ovarium superum, medio alte excavatum; stylus basi in excavationem 
ovarii immersus, teres, obtusus, glaber, totus c. 0°27 cm. longus. Discus e squamis 
10 adpressis oblongo-triangulis ¢. 0-04 em. longis. 
Hab. Arfak Mts., ridge running up to Angi lakes, undergrowth in moss- 
grown forest, 7500-8000". FL, F r. (yg.). Dec. 5518.—Koebré ridge 
common in forest on open summit, Fl, Dec. 5630, 
