352 GLOSSABY. 



Primordud leaves are those of the plumale. 



Primordial utricle; the thin protoplasmic sac lining the walls of 



cells which have very much cell-sap. 

 Process ; a projection. 

 Pro-embryo : the filamentous or cellular mass which sometimes grows 



directly from the spore, and from which a plant directly or 



indii-eotly springs. « 



Promycelium: a filamentous growth from some spores which bears 



sporidi^. 

 Prosenchyma: tissue with long and pointed cells. 

 Prosenchymous : like or having prosenchyma. 

 Protandrous : same as proterandrous. 

 Proterandrous : said of flowers whose stamens precede the pistil in 



maturing. 

 Proterandry : stamens maturing before the pistil. 

 Proterogynous : having flowers whose pistils precede the stamens ia 



maturity. 

 Proterogyny : ripening of the pistils before the stamens. 

 ProtkaUiurn : the growth from the Fern-spore, and on which the 



organs of reproduction develop'. 

 Protista : those low organisms not clearly referable either to the 



group of animals or plants. 

 Protogynotis : same as proterogynous. 

 Protoneima: the filamentous growth from the Moss-spore from the 



buds of which the Moss-plants develop. 

 Protophyta : the lowest division of plants. 

 Protoplasm: the nitrogenous semi-fluid mass in cells. 

 Protos (as a prefix) : first ; one ; lowest. 

 Pseudo (as a prefix) : false ; spurious. 



Pse^ldopodia : protrusions or branches from naked protoplasm. 

 Pteridophyta : the division which includes the Ferns and their allies. 

 Pteris ; wing. 



Pubescent : hairy ; especially having soft hairs. 

 Punctate : having dots or apparent holes. 



Punetum vegetaJtiohis : the covered growing point of stem or root. 

 Pungent : terminating in a rigid sharp point. 

 Putamen : the shell of a nut ; the endocarp of a stone fruit. 

 Pyriform: pear-shaped. 



Quadra (as a prefix) : four. 



Quaternary ; consisting of four elements. 



QmiagM (as a prefix) : five ; as quinquefoliate, five-leaved. 



Mace : a marked " variety" or " form" perpetuated by seed. 

 Saeeme : a flower-cluster with an elongated axis bearing pedicelled 



flowers, centripetal in development. 

 Racemose : like a recenie, or in racemes. 

 Machis: the axis of a spike, of a compound leaf, and the like. 

 Madiate : having rays. 

 Madical: to or from the root, or from n, root-like (subterranean) 



stem ; peitaioing to the root. 



