YiteUus 



Water 



an Oily substance adhering to the 

 spores of Lycopodium. 



Titio'olons ( Fitis, a vine ; eolo, I in- 

 habit), living on or within the vine ; 

 Vitie'ola, a parasite of the vine ; 

 J. S. Henslow prints the >vord 

 viti' coins. 



Yitie'ula (Lat., a vine tendril), also 

 printed Vitic'ulni = Surcui.us; 

 ▼itic'uloie, viiiculo'siis, sarmentose, 

 producing viticulae. 



vit'reoui, vit'retis (Lat., of glass), 

 transparent, hyaline ; formerly 

 used for the light green of glass ; 

 vit'rieole {colo, I inhabit), applied 

 to Lichens which are found grow- 

 ing on glass bottles, etc. ; vit'ricus, 

 '^ having a glassy appearance " 

 (Lindley). 



Vit'ta, pi. Vit'tae (Lat., a fillet), the 

 aromatic oil tubes of the pericarp 

 of most Urabelliferae; r^ of Diatoms, 

 are longitudinal ribs; vit'tate, 

 vitta'tus, bearing vittae; longitu- 

 dinally striped ; Vlt'tin, a substance 

 found in the more watery vittae of 

 Umbelliferae. 



Vivlp'arism ■■ Vivipary. 



Tiyip'arouB {viviparns, producing 

 young alive), germinating or 

 sprouting from seed or bud, while 

 attached to the parent plant ; -^ 

 Oerxoina'tion = Vivip'ary, the phe- 

 nomenon in question. 



▼izgregar'iouB {vix, hardly ; gregarius, 

 belonging to a flock), "anauged 

 in small or indistinct groups " 

 (Clements). 



void, empty. 



Tornble, voluliile, volu'bilis (Lat., 

 twining), twining round a support. 



volute', volu'tus (Lat., a rolling), rolled 

 up in any way ; Volu'tion, a spiral 

 turn or m leath. 



Yolu'tin, or metachromatin, granules 

 in the yeast-cell occumng in the 

 nuclear vacuole; possibly a reserve 

 substance (Wager and Peniston). 



Vol'va (Lat., a wrapper), a covering 

 or external wrapper, especially the 

 sac enclosing the Eporophore of 

 Agarics, ruptured at its apex by 

 the growth of the unfolding pileus. 



volTOoa'^ceons, vorvooine, constituted 

 like the genus l'''oliox. (F. IJlack- 

 man) ; ▼olyocina'^ceouB, of the natui-e 

 of the genus Volvox. 



Vttl'va [from Volva] Vegetabil'iom, a 

 Linnean name for the Stigma ; 

 vurviform {/ornia, shajje), like a 

 cleft with projecting edges. 



Wa'dy, Arabic term denoting a valley 

 containing water only in the wet 

 season ; c/. Oukj), "Wed. 



Wart, a hard or firm exci-escence ; 

 wart'y, covered with waits or 

 verracae. 



Wasp-fiow'ers, flowers adapted for 

 wasp- visitors, but may also be 

 visited by other insects and be 

 pollinated by them. 



Wat'er-bal'anoe, the depletion and 

 repletion of moisture in a plant ; 

 '^ -blad'deri, hairs acting as water- 

 reservoirs (Warming) ; -^ Bloom, 

 a sudden development of certain 

 algae in lakes, also kuown as the 

 "Breaking of the Meres"; '~ 

 Capao'ity, the power of a soil to 

 take up and retain liquid ; ~ C«lli» 

 large suberized cells in the palisade* 

 tissue of succulent plants ( Hrebner) ; 

 -^ Con'teut, the water in the soil ; 

 either physical -- , the total amount 

 of soil water ; or phyeiolog'ioal ""t 

 the amount available to planet-life } 

 <^ Cnlt'are, growth of plants in com- 

 pound solution of salts ; -' 01and, 

 a gioup of cells beneath a water- 

 pore, which help to excrete water ; 

 ^ -in'take, the amount absorbed 

 under given conditions ; -^ Leaf, in 

 Salciniay a submersed and finely 

 divided leaf, which simulates a 

 root ; -loM, the sum transpired ; 

 ~ Par'asite, when the host serves 

 only as a root, and })rovides ab- 

 sorption, conduction and njechanical 

 support, as in Mistletoe, whose haus- 

 toria coijtain no 8ieve-tul>es ; '- 

 Plants, those growing in water, im- 

 mei-sed wholly or in part; '^ -pol- 

 lina'ted, by means of water ; imdcr 

 water as Zostcra, or on the sur- 

 face as VallUneria : hydrophily ; 



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