•115 



Materials for a Flora of the Malayan Peninsula.-Since our 



notice of No. 21 of this work {K. B. 1909, p. 159^, whfch 



marked tlie conclusiou of the accouni of ihe Gamnpcfahic four 

 parts Nos. 22-2^ dealing with most of the Monochlamyfhae 

 hare been published. 



Part 22 appeared in 1912 and dealt with the families Nyria- 

 ginaceae, Amarantaceae, Folygonocene, Aristolachixiceae, Chlor- 

 ant/iace4ie, Lauraceae and Hernnndiaceae, all the work of ^Iv. 

 Gamble, with the exception of the Polyyonaccac by Major Ga^.' 

 The Nyctaginaceae are represented by a single species, Bocr- 

 haavia diffusa, L, The number of .spe."ies of Arnaranfaccae is 

 14, distributed under 10 genera; Polyyov/jccae, 8 species of 

 Polygonum; AristolocJuaceae, 8 species under 3 genera; Chlor- 

 anthaceae, 2 species of Cldomntlivs. The Lauraceae, wliicli 

 occupy the major portion of the part, are very abundant, with 

 ITl species distributed under 16 genera; there are no less than 

 55 species of the genus Litsea. Hernandiaceae is represented 



by 1 species of Hernandia, 



Gyrocarmi 



having been included in an earlier volume under Covihretaceae. 

 Part 23, also published in 1912, contains 'Sir. Gamble's 



Myr 



omirmaceae 



end 8 species; Gonystylaceae^ 1 species of Gonysfylus; Elaeag- 

 naceae, 1 Elaeagnus; Santalaceac^ 2 genera and 9 species; and 

 the genus Chain percia^ Griff., Avliicli, according to Eugler and 

 Prantl, should have been included in the Olacaceae. 



Part 24 appeared in 1914, and deals with A'epeiUhaceae, 10 



species of Nepenthes, by Dr. J. M. Macfarlane ; Piperaceae, 2 



genera and 78 species, by M. C. De Candolle; Profenrme, 



9 species of Helicia, and Loravthaceae, 8 genera and 44 species, 



Mr. Gamble. 



Part 25, recently published, contains the families Cytinaceae, 

 2 genera, each with a single species, and Balanoplioraceae, 2 

 genera and 6 species, by Mr. H. N. Ridley, together with the 

 following by Mr. Gamble: Juglandaceae, 1 genus with 3 

 species; Myricaceae, 1 species of Myrica; Casuarhwcpne, 1 

 Casuarina; Fagaceqe, 3 genera with 51 .species, and Salicaceae, 

 1 Sali:s. In regard to the genera of Fagaceac, Mr. Gamble has 

 followed with slight modifications the classification proposed 

 by Prantl in Engler and Prantl, Die K'atiirlichen Pflanzen- 

 familien. The genus Quercus, as thus restricted, is represented 

 by only 3 species, whilst the remainder of the Oaks described 

 from the Peninsula bv Sir G. King in his monograph and 

 subsequently bv Sir J.'D. Hooker in the Flora of British India 



are referred to the orenus Pasania with 35 species. 



With 

 Gymnospcrms, the '^M 



Urticaceae, and 



cotyledons comprising the sixth volume havmer formed the sub- 

 ject of a separate publication entitled " 3Iuterials for a FW-;; ot 

 the Malay Peninsula—Monocotyledons, dY i^- ^- -l^i«ley 

 (Methodist Publishing House, Singapore, 190, 8), J. H- 



