314 GLOSSARY 



wards ; dentate margin has sharp teeth pointing out- 

 wards ; erose margin is irregularly toothed. 



Median (medius = middle). AppHed to the median leaves 

 of some Silver Firs, that run along the centre of the twig 

 on the upper side, and also to the position of the resin 

 canals. 



Medulla (medulla = pith) . 



Medullary Rays. The bands of cells extending across the 

 wood from the pith to the bark, and producing the silver 

 grain of their wood. 



Membraneous (membrana = the skin or membrane that 

 covers the separate members of the body). A substance 

 of a fine and thin texture like the wings of a wasp. 



Micro (micros = small). Microphylla = small-leaved. 



Moncecious (monos = single, oikos = house). Having the 

 male and female flowers on the same individual plant. 



Mucronate (mucro = the point of a sword [especially]). 

 Abruptly tipped with a hard, short point. 



Multinodal. Vide Node. 



MuRiCATE (murex = a shellfish with a prickly shell) . Armed 

 with sharp points or prickles. Note Pinus Muricata. 



Nana (nanus = a male dwarf ; nana = a female dwarf). 

 Applied to the dwarf-growing representatives of plants. 

 Compare Prostrate, Pygmy, Repens. 



Needle-shaped. Synonym : Acicular. Linear, rigid, taper- 

 ing to a fine point from a narrow base, as Juniper leaves. 



Nigricans (niger = black). Blackish. Note Pinus Nigricans 

 or Austrian Pine. 



Node (nodus = a knot, and thence a joint, in a limb). Joint 

 of a branch, or the point on a stem where the bud or leaf 

 is given off. 

 Internode = the portion of stem between two nodes. 

 Uninodal = shoots produced in one whorl of branchlets in 



a year's growth, 

 Multinodal = shoots produced in more than one whorl 

 in a year's growth. 



Notched. Vide Emarginate. 



Nut. a seed enclosed within a hard shell. 



Nux Baccata. a nut enclosed in a pulpy covering, as a Yew 

 berry. 



