CONTENTS. m 



AGRICULTURAL BOTANY. 



Page. 



Applied botany for the colonies, Dubard 428 



Biology of plants, Nej^er 429 



Researches on irritability of plants, Boso \[ 429 



Chemical and physical changes in geotropic stimulation and response, Schioy. . 429 



Acidity, gaseous interchange, and respiration of cacti, Richards ". . . 429 



Influence of light and of «hade on shoots of woody plants, P'arenholtz 480 



Influence of shading on composition of tobacco, Stutz.er and Goy 430 



Asparagus pluviosus. — A morpho-physiological study, Newcombe 430 



The action of atmospheric electricity on plants, Lesage 430 



Chemical effects of radiant energy in plant processes, Spoehr 431 



Influence of colloids on microbiological processes, Sohngen 431 



The behavior of micro-organisms in brines, Peirce 431 



Alterations in woody tissues and bacterial action in Salton water, Brannon 431 



Effects of soluble humates on nitrogen fixation and plant growth, Bottomlo^•. . 431 



Inulin metabolism of Cichorium intybus. — II, Grafe and Vouk '. . . 432 



Inulin metabolism of Cichorium intybus, III, Grafe and Vouk 432 



The physiological significance of authocyanin in Hedera, Tobler 432 



Injury to plants by smoke gases and dust, Hasenbiiumer 4:>/2 



Injury to vegetation near cyanamid works, Ampola and Vivenza 432 



Concrescences in forest trees, Zametzer 432 



The group origin of species, De Vries 432 



Note on gametic reduplication in Pisum, Pellew 433 



Factors influencing weight of bean seed. — I, Intra-ovarial correlations, Harris.. 433 



The cultural bud mutations of tuberous Solanums, Heckel 433 



On the presence of connecting threads in graft hybrids, Hume 433 



Anatomy as a means of dia^osis of spontaneous plant hybrids, Ilolden 433 



Mistletoe infection in relation to classification, von Tubeuf 434 



FIELD CROPS. 



Agriculture in Abyssinia. — I, Soils and crops, Kostlan 434 



Experiments with wheat, oats, and barley m South Dakota, Champlin 434 



[Annual report of the divisions of agronomy and fiber] 434 



Report of government agriculturist and botanist, Mundy 434 



Report of the agriculturist and botanist, Mundy 435 



The breeding work at S valof , Fruwirth 435 



Experiments in dry farming 435 



Dry land pastures 435 



On the appropriation of nitrogen by legumes, Herke 435 



The action of sulphur as a fertilizer, Demolon 435 



Cultivation of cereals with new appliances and by new methods, KJraua 435 



[Alfalfa production] 435 



A drought-resisting adaptation in seedlings of Hopi maize, Collins 436 



Influence of distance of planting on fodder com, Weiser and Zaitschek 436 



The influence of K-P-N on the growth and production of corn, \'ibar 436 



Experimental hybridization of cotton, Thornton 436 



Distribution of cotton seed in 1914, Oakley 436 



Fiber pknts, Beauverie 436 



On the manuring of mangels, Porter 437 



Spanish peanuts, Wright ^. 437 



Pifine and the Southdown feed industry 437 



Experiments on the germination of seeds of Poa pratensis, Tomka 437 



Additional knowledge on the germination of Oryza sativa, Akemine 437 



Seed selection, Wright 437 



The cultivation of rice with the help of machines. Main 438 



Influence of injury and loss of leaves of rye, Schlumberger 438 



The influence of the pre\aous crop on the yield of rye, von Lents 438 



Varieties of soy beans found in Bengal, Bihar, and Orissa, Woodhouse and Taylor. 438 



Cambodia soy beans '438 



Soy beans— t\Tiy not? Bunn 438 



Frost-resisting soy beans, Bunn 438 



Influence of phosphoric acid on development of sugar beets, Wilfarth et al 438 



Sugar-beet culture -^ 439 



The size of seed ball and germinative ability of beet seeds, Phihn-.\ppiani 439 



Some fii^ures relative to beet seeds 439 



