Sentence:  The very fact that the secretion of saliva in the young child does not become established until the third month after birth, seems to indicate that before that age <WSD>farinaceous</WSD> articles of diet are unsuited to the infant, as saliva is one of the most potent agents in the digestion of starchy foods. 
Meaning of the word marked with <WSD> tags:  Made from, or rich in, starch or flour.