52 



PULMONARY ARTERIES 



Sect. IV. 5. z. 



ii 



4" 



of "the exterior membrane of the petal refra£ling the light like foap 



F 



bubbles. 



Th 



e 



\^ 



"o-etable blood is then colletfted at the extremities of the 



corol-arteries, and returned by correfpondent veins exadlly as in the 

 careen foliage, for the fuftenance of the anthers and ftio;mas, and for 

 the important fecretions of honey, wax, effential oil, and the prolific 

 duft of the anthers, and thus conflitutes a pulmonary organ, as i 

 {hewn by the following aiialogies. 



2. Firft, the vafcular ftrudure of the corol, as above defcribed, and 



which is V 



fible to the naked eye ; and 



pofing the vegetable 



juices to the air and light during the day evinces that it is a pulmonary^ 



organ. 



th 



Secondly, as the glands which produce the prolific duft of t' 



I honey, wax, and frequently fome cdlriferous eflent 



th 



it, it is 



Uy attached to the corol, and always fall off and perifh with 



ic the blood is elaborated or oxygenated in this 



evid 



th 



pulmonary fyftem for the purpofe of thefe important fe 



Thirdly, many flow 



th 



e 



m 



d hamam 



fe 



naked 



in autumn, no green leaves appearing till the enfulng fpri 

 d many others put forth their flowers, and complete their impi 

 tion early in the fpring, before the green foliage or bradles app 



mezereon 



and fome fruit-trees, which (hews that thefe 



o 



belonging to thefe parts of the frudifi 



Fourthly, this organ does not feem to h 



bee 



n 



flary for 



defence of the ftamens and piflils, fince the calyx of many flowers, 

 tra^^opogon, performs this office ; and in many flowers thefe pet 

 themfelves are fo tender as to require being (hut up in the calyx dt 





th 



ni 



o 



ht 



For what other ufe then can fuch an apparatus of 



veflels be defigned ? 



Fifthly, in the helleborus niger, Chriftmas-rofe, after the feed 



c> 



fize, the nedaiies, ana it 



i 



> 



d fligmas, drop 



off. 



r 



