Bd. XCVIII. No. 15. XXVI. Jahrgang. 



Botanisches Centralblatt 



Referirendes Organ 



der 



Association Internationale des Botanistes 



für das Gesammtgebiet der Botanik. 



Herausgegeben unter der Leitung 

 des Präsidenten: des Vice-Präsidenten: des Secretärs : 



Prof. Dr. K. Goebel. Prof. Dr. F. 0. Bower. Dr. J. P. Lotsy. 



und der Redactions-Commissions- Mitglieder : 



Prof. Dr. Ch. F^alnult und Prof. Dr. Wm. Trelease. 



von zahlreichen Specialredacteuren in den verschiedenen Ländern. 

 Dr. J. P. Lotsy, Chefredacteur. 



No. 15. 



Abonnement für das halbe Jahr 14 Mark 



durch alle Buchhandlungen und Postanstalten. 



1905. 



Alle für die Redaction bestimmten Sendungen sind zu richten an Herrn 

 Dr. J. P. LOTSY. Chefredacteur, Leiden (Holland), Rijn-en Schiekade 113. 



Schmidt, Johs., Flora of Koh Chang. Contribution to 

 the knowledge of the Vegetation in the Gulf of 

 Slam. Part VHI. (Kjöbenhavn, Botan. Tids. Vol. XXVI 

 1. p. 115— 176. With 2 pl. 1904.) 



The part VIII of Schmidt's Flora of Koh Chang contains the 

 tollovving contnbutions: 



1. E. Oestrup: Marine Diatoms (p. 115—161 with 2 nl) 

 274 species are enumerated. The diatom flora has a tropical characte'r 

 t)ut does notoccupy a peculiar position among the other E as t- I n di an 

 tloras of manne diatoms ; the genera which characterize the collections 

 ^x^ Locconeis ^n^ Mastogloia, e. g. C. binotata, C. fimbriata, M. quinque- 

 costata and M. inaeqnalis. ' v v 



New species or varieties are: Actinoptychus moronensis, var. nov 

 guttata, (jlyplwdesmis siamensis n. sp., Cyclopliora siamensis n. so 

 Navicula (Pinnularia) farcimen n. sp., Navicula (Caloneis) siamensis 

 n. sp., N crucifera var. nov. capitata, N. (Diploneis) ocellata n. sp 



Vanheurckia siamensis n. sp., V. subglabra n. sp., Scoliopleura siamensis 

 n. sp., Mastogloia quadnnotata n. sp., M. parvula n. sp., Rhoicosphenia 

 teniiissima n. sp., Nitzschia panduriformis, var. nov. interrupta, Striatella 

 dehcatula, var. nov. gibbosa, Hantzschia marina, var. nov. leptocephala 



Ihey are all hgured in the plates, in which drawings of several other 

 torms also are given: 



2. C. H. Ostenfeld: Cycadaceae, Taxaceae, Gnetaceae, Pandana- 

 ceae, bmilaceae, Commelinaceae , Amaryllidaceae , Taccaceae Diosco- 

 reaceae. , ■^ u- 



Only Tacca lancifotia, var. breviscapa Ostf. is new to science 

 Each of these small Orders are represented only with a Single species, 

 except the Amaryllidaceae and the Taccaceae each with 2 species. 



3. V. A. Poulsen: Eriocaulaceae, 1 species. 



4. Johs. Schmidt: Combretaceae, 6 species. 



5. Carl Mez: Myrsinaceae, 6 species. 



6. H. Hai Her: Convolvulaceae, 5 species. 



Botan. Centralbl. Bd. XCVqif. i905. •?< 



