450 GLOSSARY. 



Turbinate. Shaped like a top or pear. 



Turion. A young shoot from the Rhizoma, as in Asparagus. 



V. 



Valves. The segments or parts of a seed vessel, into which it 

 finally separates. Also the leaves which make up a glume 

 or spathe. 



Variety. A subdivision of a species, distinguished only by char- 

 acters Avhich are not permanent ; and which does not with 

 certainty reproduce its kind ; as the varieties of tulips, 

 peaches, &c. 



Vaulted. Arched over; with a concave covering. 



Veined. Having the divisions of the petiole irregularly branched 

 on the under side of the leaf. 



Venation. The veining of a leaf. 



Ventricose. Swelling. Inflated. 



Vernicose. Varnished in appearance. 



Verrucose. Warty. Covered with little protuberances. 



Vertical. Perpendicular to the earth. 



Verticillale. Whorled. Having leaves given off in a circle 

 round the stem. 



Vesicular. Made of vesicles or little bladders. 



Villous. Hairy, the hairs long and soft. 



Virgate. Long and slender. Wandlike. 



Virose. Poisonous, nauseous and strong to the smell. 



Viscid. Thick, glutinous, covered with adhesive juice. 



Vitellus. A part of certain seeds distinct from the albumen, but 

 not rising out of the ground at germination. 



Viviparous. Producing a collateral offspring by means of bulbs. 



U. 



Umbel. A kind of inflorescence in which the flower stalks di- 

 verge from one centre like rays ; as in Conium maculatum. 

 Med. Bot. PI. 11. 



Umbelliferous. Bearing umbels. 



Umbilicate. Marked with a central depression. 



Unarmed. Without prickles or thorns. 



Uncinate. Hooked, hook shaped. 



