vrr 



443 



VOL 



contains the harsh acid juice 

 called verjuice, the leaves are 

 astringent, and are used in diar- 

 rhoea, its sap in France is the 

 popular remedy for chronic oph- 

 thalmia ; raisins are dried grapes : 

 V. vulpina, vulp-m'-a (L. vulp- 

 Inus, of or belonging to a fox 

 from vulpes, a fox), a species 

 which yields the fox-grapes .of 

 Rhode Island. 



vitelline, n., vU-tl'-ltn (L. vitellus, 

 the yolk of an egg), the album- 

 inous substance of the yolk of 

 eggs ; in bot., the colour of the 

 yolk of an egg : adj., applied to 

 a membrane which encloses the 

 yolk of the ovum : vitellus, n,, 

 vit-81'lus, in anat., the contents 

 of the ovum ; in bot., the 

 thickened sac within the nucleus 

 which contains the amnios ; the 

 embryo- sac, remaining distinct 

 from the nucleus in the seeds, and 

 forming a covering. 



viticula, n., vit-iUul-a (dim. of L. 

 vltis, a vine), in bot., a trailing 

 stem, as of a cucumber. 



vitiligo, n., mt'-ll-lg'-d (L. vttiligo, 

 a cutaneous eruption, leprosy), 

 a cutaneous disease, consisting of 

 white patches on the skin, caused 

 by loss of the usual colouring 

 matter: vitiligoidea, vit f 'il-ig'dyd f > 

 2-a(Gr. eidos, resemblance), yellow 

 patches sometimes met with round 

 the eyelids, and elsewhere on the 

 skin. 



vitreous, a., vitfr8-ti,s (L. vitr$u&, 

 glassy, clear), applied to the 

 glutinous, semi-fluid substance 

 which fills up the central portion of 

 the eye, and is quite transparent. 



Vitt89, n. plu., vit'-e (L. vitta, a 

 band or fillet worn round the 

 head among the ladies of anc. 

 Rome), in bot. t narrow elongated 

 receptacles of aromatic oil, occur- 

 ring in the fruits of Umbellifers, 

 appearing as brown dots between 

 the pericarp and albumen in a 

 transverse section of the fruit : 

 vittate, a., vit'.at, striped. 



Vivianiacese, n. plu., 

 s&-e (L. after Viviana, a botanist 

 of Genoa), the Viviania family, 

 an Order of plants of Chili : Viv- 

 iana, n., viv f 'i'dn f 'a, a genus of 

 very pretty plants. 



viviparous, a., riv-ip'-ar-iis (L. 

 wivus, alive ; pario, I produce), 

 in zool., bringing forth young 

 alive ; in bot., producing young 

 plants in place of seeds ; attached 

 in some unusual way to the 

 parent, as young plants. 



vivisection, n., wiv'-i-s^k'-shun (L. 

 vlvus, alive.; sectus, cut), the 

 dissection of an animal while 

 living ; anatomical and surgical 

 experiments on a living animal. 



Vochysiacese, n. plu., vtik-iz'-i-a'- 

 se-e (from Vochy, the Guiana 

 name of a species), the Yochysia 

 family, an Order of plants, 

 inhabiting tfhe warmer parts of 

 America: Vochysia, n., v8k-iz'- 

 i-d, a genus of plants, whose 

 flowers are very sweet, and some 

 yield a resinous juice. 



volar, a., vol'ar (L. vdla, the 

 palm of the hand), a branch of 

 the radial artery, arises near the 

 place where the radial leaves the 

 front of the forearm, and passes 

 onwards into the hands. 



volubile, a., vdl-ub'-il-8, also vol'- 

 ub-il (L. voluUlis, that turns itself 

 round, twining from volvo, I turn 

 .round), in bot., applied to stems, 

 leaf-stalks, and the like, which 

 have the property of twisting 

 around some other body ; twining 

 spirally. 



volute, a., vdl-ut' (L. volutus, 

 turned round, twisted), in bot., 

 rolled up or twisted in any 

 direction : volution, n., vdl'ti'- 

 shun, a spiral turn or wreath. 



volva, n., v8lv f *(i (L. volva, a 

 wrapper from volvo, I roll or 

 turn about), in bot., the invol- 

 ucrum-like base of the stipes of 

 agarics, which was originally the 

 bag enveloping the whole plant ; 

 a general wrapper in Fungi. 



