EUCAL YPTUS. 229 



Marginate : margined, with an edge different from the rest. 



Masked : see personate. 



Median : belonging to the middle. 



Medullary : belonging to, or ot the nature of pith (medulla); pithy. 



Medullary Rays : the silver-grain of wood. 



Medullary Sheath : a set of ducts just around the pith. 



Membranaceous or Membranous : of the texture of membrane; thin and 



more or less translucent. 

 Men iscoid : crescent-shaped. 



Mericarp : one carpel of the fruit of an Umbelliferous plant. 

 Merismatic: separating into parts by the formation of partitions within. 

 Mesocarp: the middle part of a pericarp, when that is distinguish- 

 able into three layers. 

 Mesophloeum : the middle or green bark. 

 Micropyle : the closed orifice of the seed. 

 Midrib : the middle or main rib of a leaf. 

 Miniate : vermilion-colored. 



Mitriform : mitre-shaped; in the form of a peaked cap. 

 Monadelphous : stamens united by their filaments into one set. 

 Monandrous (flower): having only one stamen. 



Moniliform : necklace-shaped ; a cylindrical body contracted at intervals. 

 Monochlamydeous : having only one floral envelope, i. e. calyx, but no 



corolla, as anemone. 



IMonocotyledonous (embryo): with only one cotyledon. 

 Monoecious^ or Monoicous (flower): having stamens or pistils only. 

 Monogynous (flower): having only one pistil, or one style. 

 Monopetalous (flower): with the corolla of one piece. 

 Monophyllous : one-leaved, or of one piece. 

 Monosepalous : a calyx of one piece; i. e., with the sepals united into 



one body. 



Monospermous : one-seeded. 



Monstrosity : an unnatural deviation from the usual structure or form. 

 Morphology : the department of botany which treats of the forms which 



an organ (say a leaf) may assume. 



Mncronate : tipped with an abrupt short point (mucro). 

 Mucronulate : tipped with a minute abrupt point; a diminutive of the 



last. 



Miilti-, in composition: many; as 



Multangular: many-angled. Multicipital : many-headed, etc. 

 J ultifai ious : in many rows or ranks. Multifid : many-cleft. 

 Multilocular: many-celled. Multiserial: in many rows. 

 Muricate : beset with short and hard points. 

 Muriform : wall-like; resembling courses of bricks in a wall. 

 Muscology: the part of descriptive botany which treats of Mosses (i. e. 



Musci}. 



