i 5 2 GLOSSARY 



Leaf-stalk. The well-marked slender support of a leaf- 

 blade, as the short stem-like portion at the base of 

 Fig. 121. The leaf-stalk is sometimes absent. 



Lobed. With marginal indentations running 7 to of 

 the distance to the center or base, the segments usu- 

 ally somewhat rounded, as in Figs. 30, 169. 



Longitudinal. Lengthwise, from base to apex. 



Midrib. The central vein of a leaf, especially when more 



prominent than the other veins. 

 Milky. With an opaque, usually white, juice. 



Needle-shaped. Long and slender, neither definitely flat- 

 tened nor regularly tapering; may be long as in the 

 Pine (Fig. 63), or short as in the Spruce (Fig. 80). 



Node. The point on, or line around, a stem from which 

 one or more leaves arise. Often not specially marked 

 otherwise than that a leaf or leaf-scar is found there. 



Notch. An angular indentation, as along the margins in 

 Fig- 95- 



Nut. A hard or bony fruit, like that of the walnut, oak, 

 cfiestnut. 



Nutlet. A small nut, or a small, hard, seed-like part of a 

 fruit. 



Oblong. Two or three times longer than broad, with the 



sides nearly parallel. 

 Once compound (leaf). With the leaflets attached to the 



primary axis of the leaf, as in Figs. 540, 253. 

 Opposite (leaves). With two leaves at the same node, as 



in Fig. 20. 



Palmate, Palmately compound. With several leaflets 



