GLOSSARY. 
xxix 
Tondose; uneven, alternately elevated and depressed like a 
knotted cord. 
Torus ; the part within the calyx to which the floral organs 
are attached. 
Transversely ; applied to forms like oval when attached by 
one of their longer sides. 
Triangular ; with three angles and three flat faces. 
Trichotomous ; in forks of three prongs. 
'frifarious ; arranged in three rows. 
Trifid; dividing about halfway down into three parts. 
Trifurcate ; forked with three nearly equal prongs. 
Trigonous ; with thi-ee angles and three convex faces. 
Tripartite ; divided into three parts nearly to its base. 
Tnquetrom ; having three angles and three concave faces. 
Truncate ; blunt as if cut ofl' at the end. 
Tvhe ; the pipe formed by the cohesion of the parts of a floral 
whorl. 
Tuber ; a thickened underground fleshy part of the stem. 
Tubercles ; little roimd knobs. 
Tubercular; tubercled ; covered with little knobs. 
Tuberous ; like a tuber, but not part of the stem. 
Tubular ; hollow and nearly cylindrical. 
Tumid; swollen. 
Turbinate; topshaped, conical, and attached by its long 
point. 
Two-edged ; compressed so as to have two sharp edges. 
Umbel ; when many stalked flowers spring from one point and 
reach about the same level. Partial umbels are umbels 
seated upon the branches of an umoel, when the umbel 
forms a compound umbel. 
Umbilicate ; peltate, but having the attached organ hollowed 
to receive the top of the stalk. 
Unilateral ; turned to one side. 
Upper part of a floral whorl ; that next the main axis of the 
stem ; posterior. 
Urceolate ; like a pitcher contracted at the mouth. 
Utricle ; a bladder-like covering as in Chenopodiaceob, i.e. an 
achene with a membranous pericarp. The envelope of 
the laut of Car ex. 
Valvate ; having valves or parts of an organ opening like little 
doors ; or organs touching only along then- edges. 
Veins ; bundles of vessels in leaves and their modifications. 
Ventricose ; swelling unequally on one side. 
Vernatimi ; the arrangement of leaves in a bud. 
