: z ost 
which is entirely deftitute both of the veficles and the external fila: 
.' ments, and yet produces its feeds in a manner exaétly fimilar to that 
. before defcribed }——In fhort, as the means by which Nature cons 
: duéts her operations « are always appropriate. to her ends, we may 
conclude, that if the fine veffels or fibres in the veficles had any im- 
mediate reference to a ftate of florefcence, they would either be ex- 
tended throughout the internal fübftance of the frond, to carry on 
their fecret and fubtile operation ; or would be furnifhed with fome 
-external apparatus, which a give colour. mae — to the 
hypothefis. 
A particular defcription of the air-bladders, 'or vehicles; — 
form a-curious part in the ftru&ure of feveral of the Tun will clofe 
Be Temar afua l 
that Which may exift in an Raat given ades of the folid frond. 
Nature etienne extis to have furnifhed them with numerous tra- 
ination of fibres ahadi together, which proceed fr m the 
p fubftance, and freely exert their elaftic influence fiom the | 
interior furface of the cavity. They may be found in all the inflated 
Fuci; and as they are very fimilar in their appearance, fo, probably, 
they may be in their economy, to that fine woolly fubftance which 
is found at t ni vid of - e d and which the learned. 
| form ; ; and inp part of that claftic fluid into a&ion, which hs Well. 
| known t to exift in all plants y without erosión... Since. this | paper. 
ET EE COAT : | ' work 
