IS' CHRONICLE. 



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BOTANICAL SOCIETY OF LONDON. 



Ma>, ,.— i lie Treasurer in the Chair. Dr. Parkvn 



i^iJ^f** ^"/v^ Cona ^ n at S T m Michae?s; 

 ne becietary stated that he had Dr. Greville's au- 



tris on R^V ^ ne ™ r *° HeCted Pot " mil1 : ru P es " 



had been made Xou-h that . probabl ? 8ome mii »ake 



' ' r Sy d lJSd£ d Ube1 ' ^^^^wapp^) inaS 



■ l - ' • |\ arson exhibited specimens of an aquatic Ra- 



" in the Atlas of Cosson and 



nsoal "large flowers^the "other 

 «: bly^PetiyeVAHthel 



- '%;.' - collected the 



nary V canina appearing among them He ^M* 

 varied ££££££*% ^S? "**■«! 

 SsSr^deemed 16 ^^ and that » tw . ^ a chSJ 

 fr^uitlyTiptS foTev£ce oSptiScJS^ 

 »d yet cases like this prove its insumcS y ^^ 

 the Failure of the Potato Crop" and oi eotd* ""l" 

 mmediate ^cause'S °the? aC - ion '- bnt a ^ 2 



;hat a gaseous, extraneous, and deleterionTS 

 had been introduced into the interior n f fk. 



h appeared to be explaii 

 deleterious and gaseous 



attended its empty, 

 it was not, M J&. 



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 £ edition oi 



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eet plement was an error'onThe t0 the plam but there was a beautiful qwfjv 



Si whh'ilw ^^ ofV. *ewk»a S faTtwo ^omhs^the weaTher ■ has beeni 



I "gnter coloured leaves than usna l, dry. Several bouquets were exh.b.ted, g»'^ 



Jasper Rogers and othei 



ciple which restores to the plant that of which it \m 

 been deprived (by constitution,.! debility i, that :^ 

 .11 the employment of this substuee 

 properties, and by its neutralising some gaseous ud 

 deleterious substance present in the soil. Dr. P. con- 

 siders this conclusion important, not only as regit* 

 the present custom, but also with respect to the open- 

 ;ion of manures, more particularly putrescent ones, it 



ion of botanists and agriculturists to this point it the 



ENTOMOLOGICAL SOCIETY. 

 June 7.—W. Spence, Esq., F.R.S., President, in the • 

 - : 



Pini, a very rare Saw-fly, which he had reared from 



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 ..•:'.■ 



— imuel Stevens specimens of Mamestra nigricans, irery 

 : 



et were presented by Mr. Westwood, 

 who also exhibited a Potato plant, grown at Hammer- 

 smith, planted in March, which had already been it- 

 tacked by the Potato cholera, as he termed the disease; 



ground being dry and rusty, and the lower leaves da- 

 specimen was to prove" that the disease is perfectlya- 

 dependent either oi original iiiiecti n in " " I ■ " 

 plant, or of the attacks of insects, the planthaviDg beffl 

 grown from a Potato planted entire, which was foand 

 to be perfectly sound and healthy, whilst not more tn» 

 ten young aphides, not so large as pins' bead* cmddJJ 



-'-VexhSited I minute black sFcies^ofVodura^ 



iarkab!e for not possessing the power of j^P 1 ^ 



iwise specimens of Apple blossoms, destroyed by we 



— r» of the Apple weevil, Balaninus Pomornm ; *» 



specimens illustrating the natural history of a in 



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igular scales with which the legs «*. C0B J2 

 ™ated, and which very much resemble those «' ^ 

 Lepidoptera. He also exhibited the larne ana.pop* 

 n 'enophora atrata, a very rare Tipulidan accompwj 

 a letter from Mr. R. Weaver, bj 



tonus Parrii, by J. E. Gray, ^^jfyalto* 

 ne necessary to destroy. Colonel Kea ^ m ^e * 



W ZEALAND HORTICULTI 

 ie first exhibition this season 



Lambton Q^^^HoU**" 

 one of the best that has occurred. • 



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