GLOSSARY. 235 



Tumid : swollen ; somewhat inflated. 



Tunicate : coated ; invested with layers, as an onion ; p. 46. 



Turbinate: top-shaped. Turgid: thick' as if ollen. 



Turio (plural turimes) : young shoots or suckers springing out of the ground ; as 



Asparagus-shoots. 



Turnip-shaped : broader than high, abruptly narrowed below ; p. 32, fig. 57. 

 Twin : in pairs (see geminate}, as the flowers of Liimsea. 

 Twining : ascending by coiling round a support, like the Hop ; p. 37. 

 Typical : well expressing the characteristics of a species, genus, &c. 



Umbel: the umbrella-like form of inflorescence ; p. 79, fig. 159. 



Umbellate : in umbels. Umbelliferous : bearing umbels. 



Umbellet : a secondary or partial umbel ; p. 81. 



Umbilicate : depressed in the centre, like the ends of an apple. 



Umbonate : bossed ; furnished with a low, rounded projection like a boss (urnbo)- 



Umbrdculiform ; umbrella-shaped, like a Mushroom, or the top of the style of 



Sarracenia. 



Unarmed : destitute of spines, prickles, and the like. 

 Uncinate : hook-shaped ; hooked over at the end. 

 Under-shrub : partially shrubby, or a very low shrub. 

 Undulate : wavy, or wavy-margined ; p. 62. 



Unequally pinnate : pinnate with an odd number of leaflets; p. 65. 

 Unguiculate: furnished with a claw (unguis) ; p. 102, i. e. a narrow base, as the 



petals of a Rose, where the claw is very short, and those of Pinks (fig. 200), 



where the claw is very long. 

 Uni-, in compound words : one ; as 

 Uniflorous : one-flowered. Unifdliate : one-leaved. 

 Unifdliolate : of one leaflet ; p. 66. Unijugate : of one pair. 

 Unildbiate: one-lipped. Unilateral: one-sided. 



Unil6cular: one-celled, as the pistil in fig. 261, and the anther in fig. 238, 239. 

 Unidvulate: having only one ovule, as in fig. 213, and fig. 267-269. 

 Unise'rial : in one horizontal row. 



Unisexual: having stamens or pistils only, as in Moonseed, fig. 176, 177, &c. 

 Univalved: a pod of only one piece after dehiscence, as fig. 253. 

 Urceolate : urn-shaped. 



Utricle : a small, thin-walled, one-seeded fruit, as of Goosefoot ; p. 130, fig. 350 

 Utricular : like a small bladder. 



Vdginate: sheathed, surrounded by a sheath (vagina). 



Valve: one of the pieces (or doors) into which a dehiscent pod, or any simfta* 



body, splits; p. 131, 114. 



Valvate, Valvular : opening by valves. Valvate in aestivation, p. 109. 

 Variety, p. 174, 177. 



Vascular: containing vessels, or consisting of vessels, such as ducts ; p. 146, 148. 

 Vaulted: arched; same as, fornicate. 

 Vegetable Physiology, p. 3. 

 Veil : the calyptra of Mosses. 

 Veins : the small ribs or branches of the framework of leaves, &c. ; p. 55. 



