— 36 



b. Corolla pubescent without, lobes glabrous within; leaves 11-30 by 8-20 c.M. 



petioles 1 '/ 2 — 8 c.M "... 78. 



78. a. Leaves gradually subobtusely acuminate, often denticulate, sparsely pubescent or 

 subglabrate beneath; calyx with 4 equal teeth and 1 larger one, not or indistinctly 



2-lipped, 0. 2 c.M 51 P. tomentosa. 



b. Leaves more or less abruptly and acutely acuminate, entire, stellate-tomentose 

 beneath; calyx 2-lipped, 0.35 c.M 52. P. Cumingiana. 



Doubtful species: 53. P. Ledermanni. 



54. P. papuana. 



55. P. populifolia. 



1. Premna Derryana KING et GAMBLE, Kew Bull. 107 (1908); Verb. 110. 

 Distribution: Malay Peninsula ! 



2. Premna mariannarum ScHAUER, DC, Prodr. XI, 632 (1847); Verb. 111. 

 (see observation). 



Distribution: Marianne - islands! 



3. Premna cordifolia ROXB., Fl. ind. Ill, 78 (1832); Verb. 111.- 

 P. Doncaria BUCH. - HAM. ex WALL., Cat. n. 2147 (1828). 



Distribution: Malay Peninsula ! 



4. Premna parasitica Bl., Bydr. 816 (1826); Verb. 112.— A climbing, very 

 often epiphytic shrub ; leaves very characteristic by the decurrent 

 base, the lamina continuing below the point of starting of the lower 

 nerves; young leaves membranous, afterwards coriaceous or coriaceo- 

 chartaceous; petioles always short, 1.2-2.5 c.M.; corymbs 1 1-32'/ 2 

 c.M. long; calyx glandular; corolla-tube 0.2-0.37 c.M., lobes 

 0.05-0.1 c.M. See also under: . . . ... 23 P. oblongata- 



In Herb. Bog also from : Java ! 

 Distribution: Java !, Sumbawa ! Timor ! Celebes ! 



5. Premna sterculifolia K. ET G. Kew Bull. 108 (1908); Verb. 113. 

 Var. a. typica H. J. L., Verb. 114 



In Herb. Bog. from : 

 Celebes: KOORDERS n. 19529 (3 (forest nr. 2038), Kaweng, 700 M. 

 in alt., climber, 15 M. high, epiphytic; fr. blue-black on 12.111. 1895; 

 native name: Kunet sasameren lewo.— Luz o n : ? Elmer n. 16711 (P. 

 subrotundifolia Elm. ms (?), Irosin(Mt. Bulusan), Sargoson). 



Var. ß cordata King et Gamble, I.e.; Verb. 114. 



Distribution of the species: Malay Peninsula!,? Luzon!,? Celebes! 

 It may be that the two specimens mentioned do not agree exactly with the type 

 specimen of P. sterculifolia, which we have not seen. So it is perhaps separate species. 

 Of Elmer's P. subrotundifolia we have not found the description. 



6. Premna Ruttenii H.J. L., Verb. 114. 

 Distribution: Borneo! 



7. Premna decurrens H.J.L., nov. spec- Arbor trunco 70 c.M. dia- 

 metro; ramuli teretes, novelli dense lanuginosi, dein glabrescentes, apices 

 versus repente attenuati; folia ad apices ramulorum conferta opposita vel 

 fere opposita, membranacea, ovato- ratundata, basi longe, interdum suba- 

 brupte attenuato-decurrentia, apice breviter acuteque acuminate, marginibus 

 intégra; nervis utrinque majoribus 5-6, omnibus angulo simile e costa media 

 nascentibus vel interdum inferioribus angulo majore, recto vel etiam obtuso 

 e costa exorientibus, supra sparse pubescentia, subtus minute tomentella, 



