Xanthine 



xerophiloua 



Cicer arieiinum^ Linn. ; (2) a mix- 

 ture of colouring matters described 

 by Kuhlmann as a single body 

 (Green) ; Xftntholeii'cite { -f Leu- 

 citb), a leucite of an etiolated 

 plant (Van Tioghem) ; Xan'thones, 

 pl., a series of yellow colouring 

 principles in plants ; cf. Flavones ; 

 Zan'thophyU {<^<>K\ov^ a leaf), a 

 constituent of chlorophyll, a yellow 

 colouring matter insolu ble in water ; 

 Xanthophjllidrine, a yellow crys- 

 taliizable pigment, like the last, but 

 soluble in water ; Xanthophyriins, 

 yellow constituents of Chlorophyll, as 

 Carotin, Erythrophyll, and Chryso- 

 phyll (Tswett) ; cf, Chlorophyl- 

 LiNS ;• Xanthopio'rinc {iriKphs, bitter), 

 a yellow bitter principle from the 

 bark of Eanthoxylon caribatwrn,. 

 Lam. ; Zanthorhain''iiin, the yellow 

 colouring matter of the ripe fruits 

 of Bhamnut; Xanthotra'metin (+ 

 Trama), a colour resin in Fungi, as 

 Polyp«rus cinnabarinus, Fr. 

 Xanemb'ryosperm (l^yoj, a stranger, + 

 Embryo ; a-wipfM, a seed), Mac- 

 Millan's term for a Parthen- 

 BMBRTOSPBRM with endosperm aris- 

 ing from fecundation, and the pollen 

 derived from a flower of another 

 stock. 

 Xea'ia U^vtos, belonging to a guest), 

 Focke's term for the direct influence 

 of foreign pollen on the parts of the 

 mother-plant (Stift). 

 Zanocar'py U«vos, a stranger ; Kapwhs, 

 fruit), producing fruit as the result 

 of xenogamy ; Xenodoeh'ae (8ox^. 

 reception), employed by Clements to 

 denote anomalous successions of 

 plants; Xesioohro'ma (xpwM<() colour), 

 Focke's term for the effect of foreign 

 pollen producing a change in the 

 colour of the fruit ; Xenoend'osperm, 

 a plant with embryo the result of 

 fecundation, with ejidosj)erm parthe- 

 nogenetic, and the pollen derived 

 from anotherindividual (MacMillan) ; 

 Xendp^'amy {ydfios, marriage), crosa- 

 , fertilization between sexual elements 

 borne by different indivitiuala. 

 (Loew) ; cf. Geitonogamy ; Xeno- 



morpho'sis ( + Morphosis) == Acri- 

 NOMORPHOsis ; Xenopar'asite ( + 

 Parasite), (1) a specialized form of 

 a parasitic fungus when growing on 

 injured parts of a strange host, or 

 on injured parts of its normal host 

 which are immune previous to injury 

 (Salmon) ; the condition is Xeno- 

 par^asitiflxn, also (2) artificial para- 

 sitism ; cf. EcoPARASiTE ; Xeno- 

 plas'ma {v\d.afM, moulded), em- 

 ployed by Focke to denote change in 

 shape of fruit produced by the action 

 of foreign pollen. 

 Xe'rad Uvphs, dry, -f ad), a xerophyt* 



(Clements). 

 zerampdlluus (Lat.), the dull red or 



purple of dead vine leaves. 

 Xe'rai (f7?pJ>y, dry), a dry form of a 



plant (Clements), 

 Xerad'am (|7?pa<r/a, drought), a suc- 

 cession due to drainage or drought 

 (Clements). 

 Xeriob'olds, -ae (|7jpJ>$, dry; /3o\^, a 

 throw), plants dispersing their seeds 

 by the drying up of their carpels 

 (Clements) ; zeroohae'tie {x^^M-^t ^ 

 gape), applied by Ascherson to 

 l)Iants whose fruits burst by desicca- 

 tion and their seeds or spores are 

 scattered; Xeroch'aiy, the condi- 

 tion ; Serocltistog'amy ( -f Cleis- 

 togamy), when flowers remain closed 

 by reason of insufficient moisture 

 (Hansgirg); Xerodrymi'um {Zpvfihs, 

 a coppice), xerophyte-forest forma- 

 tion (l)iels); Xerohylad (0A7J, forest, 

 -{- ad), a dry forest plant ; Xero- 

 hyli'nm, a dry forest formation; 

 zerohylophllus (^*\««, I love), 

 dwelling in diy forests; Xero- 

 hylophy'ta (<pvrhv, a plant), dry 

 forest plants ; zeromorph'io {fAop<t>ij, 

 change), pertaining to XeromorpVy. 

 protected from desiccation by special 

 aevices, as hair, wax, thick cuticle, 

 etc, ; Xeromorpho'iif ( + Morph- 

 osis), changes induced by the action 

 of increased temperature as the 

 thickening of the epidermis (Herbst); 

 Xe'rophile {<pi\«(», I love), a plant 

 which grows in a dry situation ; 

 zeroph'iJous, growing in arid places ; 



410 



