202 



IXDEX AND VOCABTTLARY. 



Unarm'cd. Without thorns or prickles. 



Un'cinate. Hooked. 



Unctuo'sus. Greasy, oily. 



Un'dulate. Waving, serpentine, gently rising 

 and falling. Fig. 51, c. 



Unguis. A claw. 



Unguic'ulate . Inserted by a claw. 



U'nicus. Single. 



Uniflo'rus. Une-flowered. 



Unilat'eral. Growing on one side. 



Unlin'ing, 77, 77, a. 



Ur'ceolatc. Swelling in the middle, and contract- 

 ed at the top in the form of a pitcher. 



Use of the Corolla, 74, a. 



of insects in the vegetable economy, 75, a. 



of the calyx, 68, d. 



U'tricle. A little bladder, 90. 



Uvula' rite, 553. 



Vaccinia, 475. 



Vanil'la, or air-plant, PI. 4, Fig. 3. 



Valerian, 165. 



Valeriana'ce^, 467. 



Valisne'ria, spiralis, 84, a ; PI. 8, Fig. 1. 



Valves, 87, b. 



Varieties, 322. 



Vascular system, 60. 



fiber, 118. 



tissue, 53. 



Vault' cd. Arched ; with a concave covering. 



Veg'etahle anatomy, 10. 



camel, 39. 



physiology, 114, c. 



constituents, 140. 



structure analogous to animal, 137. 



acids, 140, c. 



Vegeta'tion near the Arctic Ocean, 318. 



on the mountains of the torrid zone, 321. 



Veins, 53. 



Vein'lcts, 53. 



Vena'tion of leaves, 53. 



Ventral suture, 80, Fig. 98. 



Ven'tricose. Swelled out. See Inflated. 



Venus' fly-trap, 'J19, PI. 3, Fig. 6. 



Verbena'ce^, 488. 



Ver'niifuge. A medicine for the cure of worms. 



Vernal. Appearing in the spring. 



Vernation, 51. 



Veron'iccE, 168, a. 



Ver'rucose. Warty, covered with little protu- 

 berances. 



Versatile, 79, a. 



Vertical. Perpendicular. 



Verticillas'ter, 84. 



Verticil' late. Whorled, having leaves or flowers 

 in a circle round the stem. 



Verticils, 66. 



Vesic'ular. Made up of cellular substance. 



Vespertine. Flowers opening in the evening. 



Ves sels, annular, 118. 



VexU'lum. See Banner. 



Victo'ria regina, 231. 



Vil'lose. Hairy, the hairs long and soft. 



Vil'lus. Soft haii-s. 



Viola'ce.'e, 413. 



Violaceous. Violet-colored. 



Vi'olct, 188. 



Vires'cens. Inclining to green. 



Vir'gate. Long and slender ; wand-like. 



Virgul'tum. A small twig. 



Viri'dis. Green. 



Virose'. Nauseous to the smell, poisonous. 



Vis'cid. Thick, glutinous, covered with adhesivn 

 moisture. 



Vita'ce^, 442. 



Vitel'lus, 99. 



Vit'reous. Glassy. 



Viviparous. Producing others by means of bulbs 

 or seeds, germinating while yet on the old 

 plant. 



Vol'atile oils, 140. 



Vol'va, 68, c ; 290. 



ViU'nerary. (From vulnus, a wound.) Medi- 

 cines which heal wounds. 



Wa'ter cow-hane, 190. 



Wax, 140, c. 



Wedge-form. Shaped like a wedge, rounded at 



the large end, obovate, with straightish sides 

 Wheel- form, 72. 

 Wheel-shaped. See Rotate. 

 White pond' -lily, 231. 

 Whorl' ed. Fig. 91. 

 Whorls, 66. 84. ^ 



of flowers, 108. 



of leaves, 40. 



Wild indigo, 216, Fig. 185. 



plants should be studied, 214, a. 



turnip, 278. 



Wil'low, 282. 



herb, 207. 



Wings. The two side petals of a papilionaceous 



flower. 

 Wings, 73. 

 Win tergreen, 219. 

 Witch'-hazel, 181. 

 Wood. The most solid parts of trunks of trees 



and shrubs. 

 Wood, 128. 

 Wood'-sorrel, 222. 



Xylos'teum, 300. 



Zalu'sian, 343. 



Zanthori'za, 194. 



Zanthoxvla'ceje, 434. 



Zingibera'ce^, 541. 



Zool'ogy. The science of animals. 



Zo'ophytes, 377. 



Zysophylla'ce^, 432. 



