410 The Botanical Gazette. [November, 
aid of light, marshals the molecules into new array and brings © 
bodies of them together into new forms, as the individuals of — 
an army are arrayed in companies, and companies drawn up 
into regiments. I have carefully considered the etymology 
and adaptation, as well as the expressiveness, of the word pro- 
posed, and consider it preferable to photosynthesis which 
naturally occurs as a substitute. Its derivation is evident: 
Pos, light; @vvracoeir, to put together, to arrange, to or 
ganize. ; 
This power, which is possessed by green plants alone, is a 
power over and above that which any animal possesses, ex- 7 
cept possibly those which may contain chlorophyll. (In most 
instances where chlorophyll has been found in animals, it has 
been shown either to be derived from ingested plants, or t0 | 
be due to a symbiotic relationship between plants and os 
mals, and all the problematic cases may yet be so nie 4 
Much of the food so produced is already in soluble form. : 
carbohydrate reserve food often appears in solid oe 
ticularly of starch and cellulose. How is such food “ | ps 
Manifestly there must first be its alteration into a wig } 
dition. This is accomplished by the agency of altera Pris 
enzymes. From the action of diastase on starch 2 nor : 
tose, results, which may be translocated and pene ate | 
in repair and growth. Cellulose is altered and pete pho- | 
wise. Even the already soluble cane sugar produce i ‘oa 
tosyntax needs to be changed into dextrose and lev mer 
order to be translocated readily. What are these changes 0" 
digestion? j 
cats this view the nutrition of green plants resolves Ome ‘ 
into three processes, photosyntax, digestion, and pe a and 3 
Photosyntax deals only with carbohydrates; digest! 
similation with all classes of foods. : 
Photosyntax is the synthesis of complex caf I], under the — 
out of carbonic acid, in the presence of chlorophy#!, 
action of light. ion of the 
Dissidia cones in chemical change and preginee to 
solid foods. It is due in large measure, perhaps - 
bon compounds 
A es RI mae ow ie eae Saneraee 
the action of alterative enzymes. - 4. the living 
: nto s ae 
Assimilation is the conversion of the foods eet repait a 
or mechanical substances of the plant tissue 
waste and growth. = pable of 
Food is the physiological term for all substances 
