vestibular 



(SUPPLEMENT) 



Zoidogamae 



vestib'ular, applied to stomata, c/. 

 VESTIBULE. 



vi'cine (vicinus, near), used by 

 Clements for species derived from 

 adjacent regions ; Vi'cinism, varia- 

 tion due to growth of other plants 

 of the same species in close prox- 

 imity (De Vries) ; Vi'cinist, a plant 

 derived from such ancestry (De 

 Vries). 



virgate, virga'tus, (2) with radiating 

 lines in pileus of Agarics; either 

 ribs or streaks of colour (Fries), 

 as in Tricholoma virgata, P. 

 Karst. 



Vivip'arism. = VIVIPABY. 



volvoca'ceous, vol'vocine, constituted 

 like the genus Volvox (F. Black- 

 man). 



Water-Cells, large suberised cells in 

 the palisade-tissue of succulent 

 plants (Brebner). 



Win'dows, employed for openings 

 when the flowers do not expand, 

 remaining united at base and apex 

 of perianth, as in Cryptophoran- 

 thus (Rolfe); win'dow - bearing, 

 the condition described. 



Wood, cryptogam'ic, the centripetal 

 portion of the xylem in the stem 

 of Cycadoxyleae. 



Xanthophyl'lins (<f>t\\ov, a leaf), 

 yellow constituents of Chloro- 

 phyll, as Carotin, Erythrophyll, 

 and Chrysophyll (Tsvett) ; cf. 

 CHLOROPHYLLINS. 



Xenemb'ryo sperm (+ EMBRYO, 

 (TTre/o/ia, a seed), MacMillan's term 

 for a PARTHENEMBRYOSPERM with 

 endosperm arising from fecunda- 

 tion, and the pollen derived from 

 a flower of another stock ; Xeno- 

 end'ospenn, a plant with embryo 

 the result of fecundation, endo- 

 sperm parthenogenetic, the pollen 

 derived from another individual 

 (MacMillan) ; Xenomorpho'sis ( + 



MORPHOSIS) = ACTINOMORPHOSIS ; 



Xenodocb/ae (5ox??, reception), em- 

 ployed by Clements to denote 

 anomalous successions of plants ; 



361 



Xenopar'asite (+ PARASITE), 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 ia 

 Xenopar'asitism ; cf. OECOPARA- 



SITE. 



Xeriob'oles, -ae (0X77, a throw), 

 plants dispersing their seeds by 

 the drying up of their carpels 

 (Clements); Xerocleistog'amy ( + 

 CLEISTOQAMY), when flowers re- 

 main closed by reason of insuffici- 

 ent moisture (Hansgirg) ; Xero- 

 hy'lium (uX??, forest), a dry forest 

 formation ; xerohyloph'ilus (0iXew, 

 I love), dwelling in dry forests; 

 Xerohylophy'ta (<iX<X a plant), 

 dry forest plants; Xerophy'tia, 

 dry forest formations (Clements) ; 

 Xeromorpho'sis ( + MORPHOSIS), 

 changes induced by the action of in- 

 creased temperature as the thicken- 

 ing of the epidermis (Herbst) ; 

 Xeropo'ium (ir6a, grass, meadow), 

 a heath formation ; xeropooph'Uus 

 (0iXeo>, I love), heath - loving ; 

 Xeropoopbyta (<f>vTw, a plant), 

 heath plants (Clements) ; Xeros'ium, 

 or Xeros'ion, a plant succession on 

 drained and dried up soil 

 (Clements). 



Xy'lium (tf\o>, timber), a wood form- 

 ation; xyloph'ilus (0t\^w, I love), 

 wood-loving ; Xylophy'ta ((fivrbv, a 

 plant), wood-plants (Clements). 



zelotyp'lc (fr\oTvvta, rivalry), asex- 

 ual (Radlkofer) ; the condition is 

 Zelot'ypy. 



Ze'ro-points, the extremes of high 

 and low temperatures which plants 

 can endure without being killed 

 (Schimper). 



Zoallospore (+ ALLOSPORE), Radl- 

 kofer's term for the zoospore of 

 Bulbochaete and Coleochaete ; Zoan'- 

 drospore ( + ANDROSPORE), a motile 

 androspore or antherozoid of 

 Oedogomum (Radlkofer). 



Zoldog'amae (7^01, marriage), plants 



