4 
Abies, ib 115, 130, 131, 224, 230, 
231, 310, 333, 338, 349, 366. 
Abronia, 313. 
Acacia. 64, 152. 154. 
Acanthaceae, 240. 
Acantholimon, 153. 
oo dag tagS 84, 88, 90. 
Acanthus, 152, 357. 
Acer, 48, 148, 153, 157, 211, 212, 
236, 280, 310, 338, 339. 
Achillea, 67. 
‘Acnida, 99, 105. 
Aconitum, 148, pee 338, 339. 
‘Acrostichum, 6, 1 Baas 
Actinella, 240. 
Actinomeris, 56, 313. 
Adiantum, 4. 6,51, 96, 123, 153, 
157, 17 6, 298, 306, "316, 351, 
360. 
Kicmarsilon. 349. . 
Aecidium, 99, 
Aegopodium, 56, 100 
ee aia. pe 169, 236, 339. 
Aethusa, 55, 356. 
Agaricus, 66, 75, 278, 296, 298. 
Agave, 88, 98. 229, 314. 
Agrostis. 323, 359, 
Ahnfeldtia, 111, 
Ailanthus, 125, 173, ° 211, 212, 
235, 236, 310 
Aira, 359. . 
Aletris, 289, 
Alicularia, 18. 
Alisma, 67, 147, 153, 220 
Allium, 14. 155, 157, 366. 
Alnus, 115, 153, TH, 213, 237, 
259, 312, 338. 304. 
_ Alopecurus, 12, 209, 35) 
Althaea, 49, 152, 154, —s 258, 
Alyssum, 355. 
Amanita, 278. — % 
Amarantaceae 
Amgen 1 16, iow 153, 210, 258, 
Amaryllis, 60. _ 
Amblystegium, 90, 
Ambrosia, 48, 115, 162, 170. 
Amelanchier, 79, 212, 236. 
Amentaceae, 235. 
Amianthium, 335. 
Ammania, 209. 
Amorpbemee res 3° 
Am aecir 
ele 8 116, 212, 311. 
Anthericum, 359. 
Anthocerotaceae, 25. 
Anthoceroteae, 25. 
Anthoceros, 25, 26, 
304, 
Antiphytum, 158. 
Antirrhinum, 152, 358. 
Anychia, 61, 297. 
Aphanocapsa, 137. 
Aphanochaeta, 141. 
Aphyllon, 52, 220. 
Apios, 64. 
Aplectrum, 52 94, 349. 
Aplopappus, 102, 132, 313. 
Apocynaceae, “64, 
Apocynun, 67. 
Aptogonum, 121. 
Aquilegia, 314, 
Arabis, 102, 157, 209. 
Araceae, 153, 289, 
Arachis, 257, 354. 
Aralia, 312. 
Arceuthobium, 79, 131, 192. 200. 
Archangelica, 366. 
Archemora, 259, 
Archidium, 144, 145, 190, 200. 
Arctomecon, 130. 
Arenaria, 209, 219, 258, 365. 
‘Aretnusa, 157, 
Aristida, 259. 
Aristolochia, 339. 
Armillaria, 75. 
Arnica, 240. 
Arrhenatherum, 323. 
Artemisia, 48, 209, ee ‘aor: 357. 
Arthrodesmus, 123, 1 
Arundinaria, 49. 
Arundo, 153 
Asarum, 178, 312, 332, 334, 336. 
Asclepiadaceae. F 
Asclepias, 52. 56, pe 68, 104, 156, 
171, 178. 259, 294, 332, 339. 
Ascyrum, 330, 
p renoetaay Us 67. 
Asperugo 257 
Aspidium, 3, 4, 5, 6, 52, 97, 113, 
116, 123, 176, 266, 267, 268, 
om. 273. 291, 331, 349, 351, 
360, 361, 363, 366, sq. 
pee 2. 3. 4, i 6, 8, 52, 
9, 88, 96, i, 115, 
124, iG 153, 168, 200, 239, 
‘ 240, 288, 4, 265, 267. Hy 
- 306, 307, 333, 336. 
347, 349. 
mae 67, 68, 79, 114, 181, 132, 
56, 209, 235, 241, 243, 258, 
33, 356, a 
Astilbe, 333, 339. 
a ae 56, 98, 102, 153, 154, 
Anchusa, 353, 358, Athamanta, Fag 
Andraea, 36, 54. Athyrium, 4. 
Androcryphia, : 5 Atractylis, oe 
Aneimia, 6. Atrichum, 33, 54 
‘Anemone, 67, 152, 153, 179, 3C6., Atriplex, 105, "210, 258, 313, 353, 
Aneura, 354, 
Anona, 124. Aubrietia, 153. 
QT, 28, 20, 
vena, 3:9. 
Azalea, 52, 100, 114, 322, 333, sqq. 
INDEX OF GENERA, ETC. 
Azolla, 131 
Baccharis, 48, 211, 212, 235, 237, 
330. 
Bacillariaceae, 298. 
Baldwinia, 49. 
Ballota, 358. 
Bambusina, 121, 286. 
Bangia, 112. 
Baprisia, 67 81, 271. 
Barbarea, 157, 256, 258. 
Barbula, 36, 43, 89. 
Bartramia, 36, 54, 190. 
Batrachospermeae, 112. 
Batrachospermum, 68, 112. 
Beggiatoa, 1 
Bellis, 356. - 
Berberis, 332. 
Beta, 210, 359. 
Betonica, 100. 
Betula, oe 156, 213; 
Betulaceae, 162. 
Biatoria, 
Bidens, 252. 357, 
Bignonia, 52. 
Blandovia, 25. 
Blechnum, 6, 153. 
Blephilia, 68. 
Blitum, 259, 359. 
Blysmus, 273, 366. 7 
Bolbophyllum. 290. Sora 
Boletus, 77, 109. 
237, 310, 
Bombax, 
Bongardia, 153. 
Borago, 163. 
Bo inaceae, 14, 80, 152, 163. 
Borrichia, 49. 
Botrychium, 3, 4, 5, 50, te 97, 
23, 148, 156, 177, 190, 193- 
199, 234, 239 259, 267, roy 
289, a $00, 331, 352, 36: 
362, 
_| Bouvardia, 106. 
Boykinia, 336. 
Brachyelytrum, 349. 
Brachyglossis, peas 
los he etree ag F 
Brachythecium, 44 
Brahea, 
Brasenia, 131, 362. 
Brassica, 355. 
Brickellia, 313. 
,| Bromeliaceae, 64. 
| Bromus, 14, 56, 155, 259, 359. 
Broussonetia, 125 
Browallia, 159. 
Bruchia, 143, 144, 
Brunella, 294, 295. 
Bryonia, 152 
Bryopsis, 111. 
Bryum, 36, 54, 89. 
Buellia, 59. 
Bulbuchaete, 188... 
Bulbotrichia, 141, 203. 
Buxbaumia, 36. 
Byssisedae, 134. 
ils 
he 
Cacalia, 48, 68, 
