TYPE PREPARATIONS 63 



Defoliation in Sycamore, 'Acer Pseudo-platanus.' Fixed witli 92% alcohol. 

 Specimens collected about the middle of September. 

 Cut longitudinal median sections ^ j ^o of an inch in thickness, of a lateral 

 branch, passing through the opposite leaf-stalks of the current year, and the 

 developing leaf-buds of next year. Place the sections in alcohol. 



Bleach the sections. 



Manipulate Nos. 1 and 11. 



Compare the preparation with Figs. 50 and 51. Plate XIV. 



FLORAL STRUCTUEE. 



Flower-bud of Poppy, 'Papaver rhaeas.' Fixed with 92% alcohol. 



Celloidinize the specimen. 



Cut transverse sections ^/uoo of an inch in thickness. Place the sections in 



alcohol. 



Manipulate No. 1. 



Compare the preparation with Fig. 52. Plate XV. 



Flower-bud of Wallflower, ' Cheiranthus Cheiri.' Fixed with 92% alcohol. 



Celloidinize the specimen. 

 Cut transverse sections ^j^oo of an inch in thickness. Place the sections in 



alcohol. 



Manipulate No. 1. 



Compare the preparation with Fig. 53. Plate XV. 



Flower-bud of Dandelion, ' Taraxacum officinalis.' 



Fixed with chromo-acetic solution. 

 Celloidinize the specimen. 

 Cut transverse sections ^jsoo of an inch in thickness. Place the sections in 



alcohol. 



Manipulate No. 1. 



Compare the preparation with Fig. 54. Plate XV. 



