GLOSSARY. 



137 



thing that exists. In modern 

 acceptation, however, the word is 

 limited to that department of 

 science commonly known also as 

 natural philosophy, which describes 

 the general properties of bodies, 

 their mutual action on each other, 

 their causes, effects, phenomena, 

 and laws. 



Physiogn'omy (Gr. $v<ns, phu'sis, 

 nature ; yvw^wv, gnomon, one who 

 knows). The general appearance 

 of an animal or vegetable being, 

 without reference to special ana- 

 tomical or botanical characters. 



Physiological (Gr. <()v<ns, phu'sis, 

 nature ; A.o7os, log'os, discourse). 

 Relating to the science of the pro- 

 perties and functions of living 

 beings. 



Physiol'ogy (Gr. <f>v<ris, phu'sis, 

 nature; \oyos, log'os, discourse). 

 Literally, a treatise on nature ; 

 but now applied to the science which 

 investigates the functions of or- 

 ganised beings and of their several 

 parts, and their relations to each 

 other and to external objects. 



Physiophilos'ophy (Gr. QWLS, phu'sis, 

 nature ; tyiXoaofyia, philosoph'ia, 

 philosophy). Natural philosophy. 



Phy'sograde (Gr. Qva-aw, phusa'o, I 

 blow ; Lat. gradus, a step). Moving 

 in the water by air-bladders ; ap- 

 plied to a tribe of acalephse or sea- 

 nettles. 



Phytiv'orous (Gr. <j>vroi>, phu'ton, a 

 plant ; Lat. vo'ro, I devour). Liv- 

 ing on plants or herbage. 



Phyto- (Gr. QVTOV, phu'ton, a plant). 

 A prefix in compound words, signi- 

 fying plant. 



Phytogen'esis (Gr. fywrov, phu'ton, a 

 plant ; yewao), genna'o, I produce). 

 The development of plants, 



Phytogeograph'ical (Gr. <pvrov, phu'- 

 ton, a plant ; geography). Relat- 

 ing to the distribution of plants on 

 the surface of the globe. 



Phytog'raphy (Gr. QVTOV, phu'ton, a 

 plant ; 7pct<o>, graph' o, I write). 

 A description of plants. 



Phy'toid or Phytoi'dal (Gr. tyvrov, 

 phu'ton, a plant; ei8os,eidos, form). 

 Resembling plants. 



Phytol'ogy (Gr. (pvTov, phu'ton, a 

 plant ; \oyos, log'os, a discourse). 

 A discourse or treatise on plants. 



Phytoph'agous (Gr. fyvrov, phu'ton, a 

 plant; <payw, phag'o, I eat) Eating 

 or living on plants. 



Phytophysiol'ogy ( Gr. QVTOV, phu'ton, 

 a plant ; physiology}. The physio- 

 logy of plants ; the doctrine of 

 their intimate structure and func- 

 tions. 



Phytot'omy (Gr. <pvrov, phu'ton, a 

 plant ; Tep.vu>, temno, I cut). The 

 dissection of plants. 



Phytozo'a (Gr. ^vrov^hu'ton, aplant ; 

 faov, zoon, an animal). Moving 

 filaments in the antheridia or 

 analogues of flowers in cryptogamic 

 plants. 



Pia Mater. A name given to the 

 membrane immediately investing 

 the brain, and which consists chiefly 

 of blood-vessels finely divided be- 

 fore entering the substance of the 

 organ. 



Pigment (Lat. pin' go, I paint). In 

 anatomy, applied to the material, 

 contained in minute cells, which 

 gives colour to various parts of the 

 body, as the interior of the eye, 

 the skin in coloured races, &c. 



Pileate (Lat. pi'leus, a cap). Having 

 the form of a cap or cover for the 

 head. 



Pileiform (Lat. pi'leus, a cap ; for'ma, 

 shape). Resembling a cap or hat. 



Pi'lifer (Lat. pi'lus, hair ; fer'o, I 

 bear). Covered with hair. 



Pi'liform (Lat. pi'lus. hair ; for' ma, 

 shape). Resembling hairs. 



Pilose (Lat. pi'lus, hair). Provided 

 with hairs. 



Pinacothe'ca (Gr. 7nvo|, pin'ax, a 

 picture ; OTJKTI, theke, a repository). 

 A picture gallery. 



Pi'neal (Lat. pi'nus, a pine). Be- 

 longing to, or resembling the fruit 

 of the pine. 



Pinen'chyma (Gr. mva, pinax, a 

 tablet ; fyx v f Aa - l en'chuma, a type). 

 A term applied to the cellular 

 tissue of plants when arranged in a 

 tabular form. 



Pi'nites (Lat. pi'nus, the fir-tree). A 

 generic term for fossil remains of 



