INDEX. 



307 



Antirrhinum, 176. 



Apetalous, without petals, 56. 



Aphyllous, without leaves. 



Apopysis, a swelling. See Fig. I, 7, a. 



Apex, the summit or tip, 21. 



Apple Tree, 107, 111. 



Apple Moss, 17. 



Appressed, closely applied, but not ad- 

 hering to ; the same as adpressed. 



Apterous, without wings. 



Aquatic, living in the water. 



Araceae, 232. 



Arb6reus, arborescent, tree-like. 



Arbutus, trailing, 158. 



Arcuate, arched or curved like a bow. 



Arcto.xtaphylus, 158. 



Aril, an extra seed-envelope, as 

 in Enonymus. 



Arissema, 231. 



Aristate, awned; bearing an awn. 



Armed, bearing prickles, spines, 

 ''etc. 4 



Arnica, 147. 



Aroids, 232. 



Articulated, jointed. 



Artemisia, 147. 



Arum, 232. 



Ascending, arising obliquely ; assurgent. 



Ascidia, leaves holding water, 161. 



Asclepiadaceae, 197. 



Asclepias, 197, 199. 



Ash 93. 



Aspidium, 27. 



Assafoetida, 137. 



Assimilate, to digest as food. 



Aster, China, 147. 



Asterworts. 146. 



Attar of Roses, 116. 



ArctostaphyluH, 158. 



Auricula, 168. 



Auriculate, with ear-shaped lobes, 74. 



Awn, the beard of Barley, and the 

 like, 276. 



Axial root, 50. 



Axil, the angle between the petiole and 

 branch, on the upper side, 90. 



Axillary, growing out of the axils, 90. 



Axis, the central body or column, 13. 



B. 



Baccate, berry-like. 



Balm. 



Balsamine, 95. 



Bamboo, 225, 280. 



Banner same as vexillum, 118. 



Bark, the outer layers of Ex- 

 ogenous stems, 107. 



Barley, 279. 



Bartramia, 18. 



Bartram, John, 18. 



Basilar style, attached to the base of 

 the ovary. Brunella, 180. 



Bath Flower, 249. 



Bdellium, 137. 



Beaked, ending in an extended tip, 267 



Bean, 125. 



Bearberry. See Arctostaphylns. 



Bearded, with awns, or tufted hairs. 



Beech, 111. Beech Tree, 213. 



Begonia, 120. 



Bellworts, 251. [pulp. 



Berry, a fruit with its seeds immersed m 



Bi, Bis (in compound words), twice. 



Biennial, of 2 years, 125. 



Biennial-fruit, 210. 



Bifid, cleft into 2 parts, 79. 



Bifoliate, with two leaflets. 



Big Trees of Calaveras, 221. 



Bilabiate, two-lipped, 173. 



Binate, two growing to- 

 gether. See Bifoliate. 



Bindweeds, 187. 



Blpinnate, twice pinnated. 



Bipinnatifid, twice pin- 

 natifid, 24. 



Bird Knotweed, 201. 



Biternate, twice ternate, 58. 



Bivalved, two-valved. 



Blackberry, 116. 



Blade, the main part of a leaf. 



Blinding Tree, 207. 



Blanched, whitened for want of light ; the 

 same as etiolated. 



Bloodroot, 64. 



Bloom, a fine white powder on some 

 plants. 



Blueberry, 158. 



Blue Curls, 179. Flag, 241. Grass, 274. 

 Violet, 77. 



Blue-eyed Grass, 244. 



Bouncing Bet, 83. 



Boxberry, 147. 



Boxwood, 207. 



Brachiate, with opposite branches. 



Bract, a reduced leaf near the flowers, 56. 



Bracteoles, Bractlets, reduced bracts. 



Brake, Common, 27. 



Branches, the divisions of a stem. 



Brassica. 103. 



Brazil Wood, 125. 



Bristles, stiff, sharp hairs. 



Brunella, 180. 



Bry61ogy, the science of Mosses. 



Bud, The, a rudiment, 186. 



Bud-scales, reduced leaves covering the 

 bud. 



Bulb, an underground bud, 29, 35. 



Bulblets, little Tbulbs formed in the leaf- 

 axils and falling off. 



Bulbous Crowfoot, 50. ^f> 



Bulb, a scaly, 35. W 



Bulb, a coated, or truncated, 35. ~fK~ 



Bulrushes, 270 W 



Burgundy Pitch, 223. "*w- 



Butter-and-Eggs, 173. 



Buttercup, 48. 



Butterfly Weed, 199. 



Bnxus, 207. 



C. 



Cabbage, 103. 



Cabbage Palmetto, 224. 



Caducous, dropping off early, 66. 



Caespitous, forming tufts, or a turf. 



Caladium, 233. 



Calamus Rudentum, 227. 



Calceolaria, 176. 



Calico Bush, 155. 



