POL 



333 



POL 



called from its double twist: P. 

 hydropiper, hid'rd'pip'er (Gr. 

 hudor, water ; L. piper, pepper), 

 the water-pepper, whose leaves 

 are acrid and vesicant : P. tinc- 

 torium, tmgk-tdr'i-um (L. tine- 

 torius, of or belonging to dyeing 

 from tingo, I dye), a species 

 yielding a blue dye : P. aviculare, 



dv-ik^ul'dr^ (L. aviculdris, be- 

 longing to the aviculd, a small 

 bird), a species whose frnit is 

 emetic and purgative : P. cymos- 

 um, sim>oz f 'Um (L. cymosus, full 

 of shoots from cyma y the young 

 sprout of a cabbage), a species on 

 the Himalaya, used as spinach. 



jolygynia, n. plu., pol'-i-jin'-i-a 

 (Gr. polus, many ; gune, a female), 

 plants which, have several dis- 

 tinct styles : polygynous, a., 

 pol-idf-in-us, having many pistils 

 or styles. 



X)lygynoecial, a., pftl'-i-jin-e'shi-al 

 (Gr. polus, many ; gune, a female; 

 oikos, a house), in bot., having 

 multiple fruits formed by the 

 united pistils of many flowers. 



)olymerous, a., pol-im'-er-us (Gr. 



polus, many ; mortis, a part), 

 composed of many parts. 



polymorphic, a., po'l'-i-mo'rf'ik, 

 also polymorphous, a., -mftrf'US 

 (Gr. polus, many ; morphe, form), 

 assuming various forms or shapes: 

 polymorphy, n., pdl'-i-mtirf'i, the 

 existence of several forms of the 

 same organ on a plant. 



polynucleated, a., pol'-i-nuk'-lb-at- 

 $d (Gr. polus, many ; L. nucleus, 

 a kernel), containing many 

 nuclei. 



[K)lypary, n., pol-ip'-ar-t, also 

 polyparia, n., pol'-ip-aM-a (Gr. 

 polus, many ; L. parid, I pro- 

 duce), coral, so called because 

 produced by polypes ; the hard 

 chitinous covering secreted by 

 many of the Hydrozoa. 



polype or polyp, n., pol r -ip y 

 polypes, n. plu., pol<ips (L. 

 polypus, Gr. polupous, a polypus 

 trom Gr. polus, many ; pous t 



a foot), in zoo?., strictly, the 

 single individual of a simple 

 Actinozoon, as a sea-anemone ; 

 also applied to the separate 

 zooids of a compound Actinozoon; 

 loosely, one of those radiate or 

 worm-like water-animals which 

 are furnished with many tentacula 

 or foot-like organs surrounding 

 the mouth or free orifice. 



polypetalous, a. , pol'i-pet'al-us 

 (Gr. polus, many ; petdlon, a 

 leaf), in bot., having the corolla 

 composed of separate petals ; 

 having the petals free or distinct; 

 syn. of * eleutheropetalous, ' and 

 * apopetalous. ' 



polyphyllous, a., pol'-l-fil'-lus (Gr. 

 polus, many ; phullon, a leaf), 

 in bot., having a calyx or in- 

 volucre composed of separate 

 leaflets ; many - leaved : poly- 

 phylly, n.,pol'i'fil'ti, the increase 

 in the number of organs or leaves 

 in a whorl. 



polypide, n., pol'ip-id (L. polypus, 

 a polypus), in zool., the separate 

 zooid of a Polyzoon : polypite, 

 n., pol'ip'tt, the separate zooid of 

 a Hydrozoon ; a fossil coral : 

 polypidom, n., pol4p r 4d-om (L. 

 domus, a house), one of the stems 

 or fabrics containing the polypes 

 or animals which construct them ; 

 a coral ; the dermal system of a 

 colony of the Hydrozoa or 

 Polyzoa. 



PolypodiesB, n. plu^pol't-pod-i'-e-e 

 (Gr. polus, many ; pous, a foot, 

 podos, of a foot), a tribe or Sub- 

 order of Ferns, so named from 

 their numerous root-like feet : 

 Polypodium, pol'-i-pod'-l-urn, a 

 genus of ornamental Ferns : 

 Polypodium crassifolium, Jcrds^ 

 si'fol'-i-um (L. crassus, thick ; 



folium, a leaf), a species said to 

 be sudorific and anti-rheumatic : 

 P. phymatodes, flm'at-6d'-ez 

 (Gr. phumatodes, affected with 

 tumours or hard swellings from 

 phuma, a shoot, an excrescence), 

 a species whose bruised frondi 



