GLOSSARY. 331 



Variety. A subdivision of a species, distinguished only by 

 characters which 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 branch- 

 ed on the under side of the leaf. 



Ventriro.se. Swelling. Inflated. 



Verrucose. Warty. Covered with little protuberances. 



Vertical. Perpendicular. 



Vertic.illale. Whorled. Having leaves given oft* in a circle 

 round the stem. 



Vesicular. Made of vesicles or little bladders. 



Vespertine. Opening in the evening; as the flowers of the 

 Stramonium, and Tree-Primrose. 



Villous. Hairy, the hairs long and soft. 



Virgate. Long and slender. Wand like. 



Virose Poisonous, nauseous, and strong to the smell. 



Viscid. Thick, glutinous, covered with adhesive juice. 



Vitellus. A part of certain seeds distinct from the albumon, 

 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 stalk9 

 diverge from one centre like rays ; as in the Parsnip, Pars- 

 ley, &ic. 



Umbelliferous. Bearing umbels. 



Umbilicale. Marked with a central depression. 



Unarmed. Without prickles or thorns. 



Uncinate. Hooked, hook shaped. 



Undulated. Wavy, serpentine, gently rising and falling. 



Ungniculate. Inserted by a claw. 



Unilateral. Growing all on one side, or with the flowers lean- 

 ing to one side 



Urceolate. Pitcher shaped. Swelling in the middle and slight- 

 ly contracted at top. 



W 



Wedge shaped. Formed like a wedge, and commonly rounded 



at the largest end. 

 Wheel shaped. See Rotate. 



Wings The two lateral petals of a papilionaceous flower. 

 Winged. Having the sides extended into a leafy expansion. 



