PAL 



300 



PAL 



connected with the palate : pal- 

 ato-glossus, gl6s f -sus (Gr. glossa, 

 the tongue), a muscle which 

 passes between the soft palate 

 and the side of the base of the 

 tongue. 



palea, n.,pdl f >8'a(L.palea, chaff), 

 in bot., the small scale-plates, 

 like chaff, in the receptacles of 

 some composite flowers ; the part 

 of the flower of grasses within the 

 glume: paleaceous, a., pdl'8-d'- 

 shus, resembling chaff ; covered 

 with membranous scales like 

 chaff. 



palisade tissue, pal'-is-ad' ttsMu 

 (F. palissade, a stake, a hedge- 

 row of trees ; L. palus, a pole), in 

 bot., chlorophyll cells elongated 

 in a direction vertical to the sur- 

 face of the leaf, lying beneath the 

 hypodermic layer in the leaves of 

 Cycadacese and Coniferse. 



Paliurus, n., pal'-l-wr'-fts (L. pall- 

 urus, Gr. paliouros, Christ's 

 thorn), a genus of very handsome 

 plants, Ord. Rhamnacese: Pali- 

 urns aculeatus, d-kul'e'dt'us 

 (L. acul&dlus, thorny, prickly), 

 Christ's thorn, common in the 

 hedges of Judea, supposed to have 

 formed the crown of thorns put 

 on our Saviour's head. 



pallescent, a., pal-les's%nt (L. 

 palfaco, I grow pale), in bot., 

 growing pale: pallid^ a., pal'-lid 

 (L. pattidus, pale), of a pale, un- 

 decided colour. 



pallial, see 'pallium.' 



palliobranchiata, n., pdV-U-o- 

 brang''M'dt'a (L. pallium, a 

 mantle ; Gr. brangchia, gills of a 

 fish), the old name for the 

 'Brachiopoda,' founded on the 

 assumption that the system of 

 tubes in the mantle constituted 

 the gills : palliobranch'iate, a., 

 -ki-dt, having gills developed 

 from the mantle. 



pallium, n., pal'li'tim (L. pallium, 

 a mantle, a cloak), the fleshy 

 covering lining the interior of 

 the shells of bivalves : pallial, a., 



pal'li-al, pert, to a mantle or 

 cloak : pallial impressions, the 

 impressions or lines left in the 

 shells of bivalves by the muscular 

 margin of the mantle : pallial 

 shell, a shell contained within 

 the mantle, such as the bone of 

 the cuttle-fish. 



palma, n. , pal'ma (L. palma, Gr. 

 palame, the flat of the hand), in 

 anat., the palm or flat of the 

 hand : palmar, a. , pal'mar, of 

 or relating to the palm of the 

 hand ; denoting two muscles of 

 the hand : palma ris longus, pal* 

 mdr'-is I6ng'-gus (L. palmdris, 

 relating to the hand ; longus, 

 long), a muscle arising from the 

 inner condyle of the os humeri, 

 finally fixed to the roots of all the 

 fingers, and forming a flexor of 

 the wrist : palmaris brevis, br%v'' 

 is (L. br$vis, short), a thin quad- 

 rilateral muscle, placed beneath 

 the integument on the ulnar side 

 of the hand, and inserted into the 

 skin on the inner border of the 

 palm of the hand, which con- 

 tracts the skin of the palm. 



Palmae, n. plu. , pal'me (L. palma, 

 the palm of the hand), one of the 

 most interesting and valuable 

 Orders of plants of the vegetable 

 kingdom: palmate, a., pal' mat 

 (L. palmdtus, marked with the 

 palm of the hand), in bot. , having 

 the shape of the open hand with 

 the fingers apart, as in some 

 leaves ; having leaves divided 

 into lobes to about the middle : 

 Palma Christi, Tcrist'-i (L. Christ- 

 us, Christ, Christi, of Christ), a 

 palm from whose seeds Castor- 

 oil is expressed : palmatifid, a., 

 pal-mat'-i-fid (L. findo, I cleave ; 

 fidi, I have cleft), having a leaf 

 divided so as to resemble a hand ; 

 same as ' palmate. ' 



palmatipartite, a. , pal'mat-i- part- 

 it (L. palmdtus, marked with the 

 palm of a hand; partltus, divided, 

 shared), in bot., applied to a 

 simple leaf having the sub- 



