--Germination of Morning Glory, _a_, caulicle; _b_, cotyledons; _c_, plumule; _d_, roots.   anvd [Please select]

They may be written under each drawing thus,--A=Caulicle;[1] B=Cotyledons; C=Roots; D=Plumule.   anvd [Please select]

--Probably some of the pupils will have called the caulicle the root.   anvd [Please select]

Roots can also grow from the sides of the caulicle, as in Indian Corn.   anvd [Please select]

Vertical section, dividing the embryo, _a_, caulicle: _b_, cotyledon; _c_, plumule.   anvd [Please select]

Theories are put forward, most learned theories, introducing capillary action, osmosis and cellular imbibition, to explain why the caulicle ascends and the radical descends.   anvd [Please select]