GLOSSARY OF THE COMMONER 

 BOTANIC TERMS USED. 



STEM, BRANCHES AND LEAVES. 



scape ... ... a leafless flowering stem or branch. 



root-stock ... the perennial underground portion which lives on 



when the leaves die down. 



node the part of the stem, usually swollen, where the leaf 



joins it. 



petiole ... ... the stalk of a leaf. 



axil the angle between a leaf or its stalk and the stem. 



base ... ... the part nearest the stem, whether of leaf or stalk. 



apex ... ... the point of a leaf. 



stipules small organ?, usually in pairs, at the base of a leaf- 

 stalk. 



nerves ... ... the main lateral veins of a leaf. 



A Leaf or Other Part is described as 



simple when the blade is single, however much it may be cut 



or lobed. 

 co7fipotiHd ... when the leal consists of several blades (leaflets) each 



with its own stalk. 

 sessile ... ... when there is no stalk. 



pinnate when the leaflets are arranged to right and left on 



either side of the main stalk (t. 97). 

 bi-pinnate ... when the leaf is doubly pinnate, consisting of several 



pinnas, each with leaflets to right and left (t. 94). 

 palmate when the leaflets are attached together at the end of 



the main stalk (t. 270). 

 when cut or lobed in palmate or pinnate fashion 



(t. 35). 

 when more deeply cut, almost into separate leaflets. 



pahnati-fid^ 

 pinnati-fid. 



palmati-sect, 

 pinnati-sect , 



cordate ... 



ob-cordate 

 ovate 



ob-ovate ... 

 laticeolate 

 oblanceolate 

 linear 



when the shape of a conventional heart, attached at 



the broad end (t. 19). 

 similar but attached at the other end. 

 when egg-shaped in general outline and attached by 



the broader end. 

 similar, but attached at the narrower end. 

 when narrower than ovate, like the head of a lance, 

 similar but attached at the narrower end. 

 when slender or very narrow. 



