XXX PROCEEDINGS OF THE ROYAL HORTICULTURAL SOCIETY. 



Orange-trees growing and fruiting successfully in arched recesses 

 at Coornbe Royal, near Kingsbridge, Devon. They were pro- 

 tected in front during the winter. 



Cochineal in Teneriffe. — Mr. McLachlan raised the question 

 of the cultivation of this insect in Teneriffe, as the industry 

 appears to have decayed in consequence of the introduction of 

 aniline dyes. Mr. Morris observed that it was somewhat reviving, 

 as there was a certain demand for colouring fruit, preserves, &c. 

 Dr. Miiller added that it would be always required as a source 

 of carmine, as this colour cannot be replaced by any other known 

 product. 



Thereto, nobilitata in Celery. — Dr. Miiller exhibited grubs 

 resembling wireworms, which were found in decayed Celery 

 plants. They proved to be those of a brown fly. This usually 

 lives in rotten wood, but whether the grubs destroyed the Celery 

 or were feeding on the decayed roots, &c, was not clear. It was 

 suggested that possibly they were carnivorous, as other grubs 

 had disappeared from the soil. 



Calochortus and Lily, Monstrous. — Dr. Bonavia exhibited 

 flowers, each consisting of two flowers united on one floral 

 receptacle. An examination of the fibro-vascular cords showed 

 that these had arisen by chorisis from a normal stem. A propos 

 of this, Mr. Henslow said that he had examined the cords in a 

 germinating Cockscomb, and found that the multiplication of the 

 bracts and flower-buds arose in a similar way. The zone of 

 cords being circular in section below, the cords rapidly increased 

 in number by bifurcation above, one branch entering each bract 

 and a small cluster each flower-bud. Hence fasciation would be 

 better described as the effect of cauline chorisis, and not as a 

 fusion of a number of independent buds, as the term seems to 

 imply. 



Azolla jrinnata Fruiting. — Mr. Greenwood Pirn sent speci- 

 mens in fruit. He writes : " The plants had been growing in 

 the open air for two years in co. Wicklow, and had increased to 

 a large extent. Two or three months ago a quantity was placed 

 in a shallow peaty pool, which is now almost dry, having only 

 a few inches of water. In this the plant is producing fruit on 

 almost every fully developed individual." 



Linaria rcpens x vulgaris. — Mr. Henslow showed specimens 

 of this hybrid which has occurred spontaneously near the station 



