600 Transactions of the Society. 



in those parts of the plant, every function of which has ceased, 

 and where it is formed it remains, and is not dissolved again. 

 (In Dr. Beale's work above cited, are observations by Gulliver 

 on the uses of plant-crystals.) 



In the herbaceous plants, crystals abound in the axis of 

 the inflorescence and stalks of flowers; and in Bicinus I have 

 observed that there are an abundance of sphseraphides in the female 

 flowers, while they are almost wanting in the male flowers (see 

 Fig. 7). In small plants of Bicinus, crystals appear first in the 

 glands of cotyledonary leaves by the side of the spiral vessels (see 

 Fig. 8). 



