426 PHARMACEUTICAL BOTANY 



Microsporan'gium. A spore case containing microspores. An anther sac. 



Mi'crospore. A small spore found in a microsporangium. The pollen grain of 

 a seed plant. 



Microspo'rophyll. A leaf bearing microsporangia. The stamen of seed plants. 



Mid'dle Lamel'la. A dividing line of calcium pectate between adjoining cells. 



Mid'rib. The large main central vein of a pinnately- veined leaf which is con- 

 tinuous with the leaf stalk. 



Mito'sis. Indirect nuclear division. 



Monadel'phous. AppUed to stamens which are united by their filaments into 

 one set as in the Mahacea. 



Monan'drous. Possessing only one stamen. 



Monan'thous. Having only a single flower on the peduncle. 



MoniTiform. Resembling a chain of beads. 



Mono. A prefix of Greek origin, meaning one or single. 



Monocar'pellary. Of one carpel. 



Monochlamyd'eous. Possessing but one perianth whorl. 



Monoc'linous. Having both andrcecium and gynceciun. 



Monocotyled'onous. Having only one cotyledon or seed leaf. 



Monce'cious. Having separate staminate and pistillate flowers on the same 

 plant. 



Monoloc'ular. One chambered. 



Monom'erous. Applied to flowers having one part running through each 

 whorl. 



Monopo'dium. A plant axis which elongates at the apex and sends off lateral 

 branches in acropetal sequence. 



Monos'tichous. Arranged in one vertical row. 



Mu'cronate. Terminating abruptly in a small soft point. 



Multi. A prefix of Latin origin meaning many. 



Multicel'lular. Consisting of many cells. 



Multicip'ital. Many-headed; applied to a rhizome or root from which numerous 

 stems arise. 



Multifa'rious. Composed of many diverse parts. 



MuTtiloc'ular. Many celled or chambered. 



Mul'tiple Fmit. A fruit composed of many small fruits, each the product of 

 a separate flower, as in the Fig or Hop. 



Myce'lium. The vegetative body of a fungus consisting of intertangled hyphse. 



Mycol'ogy. That branch of Botany that treats of the Fungi. 



Mycorrhi'za. An association between the roots of certain plants and the myce- 

 lium of certain fungi which form an investment about their tips. 



Na'piform. Turnip-shaped. Somewhat globular, becoming abruptly slender 



and then terminating in a conical tap root. 

 Naturalized. Applied to plants that have been introduced from another 



country. 



