6J2 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



1, the character of the decaying substance ; 2, the organism present • S 



The economic importance of such invAHtimLfi™ Q :n i 

 is recognised that, as the author po nts out onl Z 1 1 ^ «* 

 nitrogen content of fresh manured recoTeredt the ^ ~ ^ ° f ^ 



•X to Jdtf nit 1 - t ^SlT^zr 68868 prevai1 ' 



while when the supply is limited, red „c mg pr« ^ST*? 

 partial decomposition takes place. The resnl H X , aud 0nl ? 

 percenters show that there „„ be ™ « ? f by dlfferent ex " 

 processes, but the extent o Ms loss V a e" » b ° th 



species of bacteria present. Th e ul 2 0 7 t Z I 4 ° the 



germs in a nutrient solution (boui Ion fre! cult ;™tion of certain 

 under similar conditions the loss var d frL 1 3 Slf^ ^'f tHt 

 New Jersey to 14-5 per cent hv « J , pel ceut - causea »? £aci'««s 



amounted to 35-2 per cent aCtem ™ S em P lo >' ed the loss 



«* was growing in «T.ES?^^ " £ Tr 

 originally present were so changed while Pro ' , ^ 

 similar change of 87-15 per ™7t V , $ vul 3"'^ caused a 



ncation. Resets of expe^te arf ^ T"* D ° M - 

 different nitrates are re'ducTt! ^JSlt tT^ T ^ 

 under the same conditions } the same bacillus 



denitrifying bacL S ~ "7 -table-^ 



when a large surface wa expos / Te„T % f*' 



effected, foyfe tAe/ree £ ^"thorough aeration was 



wit'tu Sifts *■? need o£ *** — « 



factors determining th , ^growth ThT m^** and the 



throw further light upon £w ° f ' heSe ex P er ™«nts will 



some of the comnl £ p oble, °i f" 1 "^ 011 o£ and upon 



crops. P P10Mems ,nvoIvecl » «'e profitable growth of 



Da ctena used in these experiments. F. J C 



, ^^^ZJlA^: !** Aug. 1903, 



Q«*id LP ita A description o t °° J* 



ing at Kew is also given.-//. / ^ escrl P tlon of the plant recently flower- 



"• .S^"!:!!t,!;«:^« s ,„. By E . neew an d 



3 (tomp. Le, ld . January, 1904, p. 57).-In flfrfa,^ 



