Floristik, Geographie, Systematik etc. 23 



Ridley, H. N., The Flora of Lower Siam. (Journ. Str. Br. Roy. 

 As. Soc. LIX. p. 15-26. 1911.) 

 The author gives as the result of his own investigations the 

 dividing line between the Siamese and Malay Peninsula floras as 

 about Alor Sta. A short account of the work doiie in the area 

 from Alor Sta to Renong contains among others useful notes 

 on the flora of Bangtaphan by Dr. Keith and a reprint of the 

 report by Curtis in 1896 of an excursion to Kasum and Pungah. 

 The paper concludes with a few notes on Lankawi Islands and 

 the Limestone flora. W. G. Craib (Kew). 



Ridley, H. N., An account ofa botanical expedition to 

 Lower Siam. (Journ. Str. Br. Roy. As. Soc. LIX. p. 27— 234. 1911.) 



The author opens with a description of an expedition underta- 

 ken by him early in 1910 to ascertain where the dividing line be- 

 tween the Siamese and Malay Peninsula floras lay. Füll accounts 

 of his various excursions from Alor Sta, Perlis and Setul are 

 followed by a list of genera found north of Alor Sta and a list of 

 those found only south of Alor Sta. From page 60 to the end is 

 given a list of all the plants found during this expedition and by 

 previous coUectors in the area from Alor Sta northwards te Re- 

 nong. The distribution of the species is given as well as many 

 valuable critical notes. The new species described are: Naravelia 

 axillaris, Tetracera fvagrans, Polyalthia velutinosa, Miliusa parviflora, 

 Mitrephora Keithii, Alphonsea Keithii, Capparis diffusa, Alsodeia lan- 

 kawiense, A. Curtisii, A. minutißora, Decaschista pulchra, Helicteres 

 parviflora, Columbia diptera, C. Curtisii, Glycosmis rupestris, Ochna 

 grandis, Lophopetaluin intermedium, L. pedunculatum, Nepheüuni 

 pubescens, Mangifera lanceolata, Parishia rosea, Erythrina atrosan- 

 guinea, Bauhinia micrantha, Melastoma schisocarpa, Begonia Cur- 

 tisii, Trichosanthes laciniata, Hedyotis stelligera, Oldenlandia rosea, 

 Randia pauciflora, R. uncata, Ixora Keithii, I. plumea, Psychotria 

 siamensis, Ardisia furva, Olea puberula, Holarrhena pulcherrima, 

 H. latifolia, H. densißora, H. pauciflora, Gongylosperma lanugino- 

 sum, Dischidia tonientella, Limnophüa viscida, Cystacanthus puncta- 

 tus, Gymnostachyum Keithii, Justicia valida, J. rupestris, Dicliptera 

 rosea, Glossocarya premnoides, Anisochilus siamensis, Buxus rupicola, 

 Bridelia pedicellata. Cleistanthus trichocarpa, C. (?) dubius, C. (?) mi- 

 nutiflorus, Phyllanthus secundiflora, P. perlisensis, P. concinna (all 

 three of section Reidia), Glochidion flavum, G. microphyllum, Brey- 

 nia Keithii, Sauropus parvifolius, Dimorphocalyx ovalis, Adenochlaena 

 siamensis, Mallotus cuneatus, Getonium tenui/olium, Pilea minuti- 

 flora, Gnetum tenui/olium, Oberonia saururus, Bulbophyllum rupi- 

 colum, Saccolabium humile, S. setulense, Gastrochilus acutus, Pelio- 

 santhes graminea, Thysanotus siatnensis, Dracaena Curtisii. The 

 foUowing new names also appear: Randia dasycarpa (1= Gardenia 

 dasycarpa. Kurz), Vangueria grisea {■= Canthium griseum, King et 

 Gamble) and Raphidophora gigantea {= Epipremmum giganteum, 

 Schott). W. G Craib (Kew). 



Schlechter, R., Plantae Chinenses Forrestianae: Enume- 

 ration and description of species of Orchidaceae. (Notes 

 Roy. Bot. Gard. Edinburgh. XXIV. p. 93—112. 1912.) 



In the enumeration of the Orchidaceae coUected by Mr. George 

 Forrest during his first exploration of Yunnan and Eastern 



