Floristik, Geographie, Systematik etc. 421 



Bornean. Alaiigiuni kinabaluense^ Anerincleistus monticolus, An- 

 tidesma caulißoriiin, Argostemma humifusiim, A. sarawakense , Boea 

 ßrettiana, Clerodendron Brookeanian, Dendrochüimi Dewindtianum , 

 Gyuiira albicaidis, Lucinaea pavvifolia, Neurocalyx matangensis, 01- 

 denlandia santuhongensis , Pleomele sarawakensis, Randia kuchingen- 

 sis, Timonius Esherianus, Tristania Moultoniana and Vaccinian hör- 

 neense. 



Chinese. Agapetes Wardit, Androsace Graceae, G. Forrest, An- 

 thriscus yunnanensis, Aster pycnophylliis, Franchett mss., Boottia 

 echinata, Crepis setigera, Scott, Didissandra Agnesiae, G. Forrest, 

 Eria ohvia, Eriolaena yunnaviensis, Impatiens claviciispis, Hook. f. 

 mss., /. cyclosepala, Hook. f. mss., /. Forrestii, Hook. f. mss., /. pi- 

 netorum, Hook. f. mss., /. polyceras, Hook, f. mss., Magnolia talien- 

 sis, Pleurosperyyium aromaticiim, P. linearüohiini , Rhododendron Cle- 

 mentinae, G. Forrest, R. Roxieana, G. Forrest, Tanacetum Delavayi, 

 Franchett mss., and Trachydmm} simplicifolium. 



African. Bulbophylhim inopinatiim and Polystachya Hamiltonü. 



Himalayan. Sedum Praegerianum. VV. G. Craib (Kew). 



Armstrong, M., Field book of western wild flowers. (16°. 

 p. XX, 596, 500 ill. in black and white and 48 plates in color. 

 New York and London. G. P. Putnam's Sons. 1915. Price $ 2.00.) 



A convenient satchel-or pocket-companion for the general region 

 west of the Rocky Mountains and the more noticeable flowers, 

 such groups as grasses, oaks, mistletoes, etc. which lack conspicuous 

 flowers being omitted. Professor J. J. Thornber, as coUaborator, 

 is made accountable for botanical accuracy. The arrangement is 

 said to be that originated by Mr. Schuyler Mathews in his 

 Field Book of American Wild Flowers. Trelease. 



Balfour, B. and W. W. Smith. Moultonia. A new genus of 

 Gesneraceae from Borne o. (Notes Roy. Bot, Gard. Edinburgh. 

 NO XL. VIII. p. 349—356. t. 2. 1915.) 



This new genus with one species — Moultonia singularis — is 

 most readily distinguished from Monophyllaea by the fact that the 

 flowers are arranged along the petiole and midrib of the solitary 

 „leaf", The writers discuss the morphological significance of the 

 solitary „leaf" and type of inflorescence in Motdtonia and the allied 

 genera e. g. the different types of Streptocarpns , Monophyllaea, 

 Chirita, &c. Accompanying the paper are 2 plates illustrating the 

 new genus and Chirita hamosa in flower. VV. G. Craib (Kew). 



Blake, S. F., Three new Peryrneniums. (Journ. Bot. LIII. N" 629. 

 p. 135-137. May 1915.) 



The new plants described are: Perymenium lineare, P. Ma- 

 thewsii and P. serratum, — all 3 from South America. 



E. M. Jesson (Kew). 



Brown, G., A Note on Relative Saturation, (Journ, Ecol. 

 III. NO 1. p. 30-31. 1915.) 



Relative Saturation is a ratio. Water Content: Maximum Water 

 Capacity. The first factor is obtained from {w—m), grams where w 



