GENERIC INDEX. 
Abatia, 235. 
Abies, 25, 31, 334. 
Abolboda, 260. 
Abronia, 26. 
Abutilodes, 54. 
Abutilon,85, 144. 
Acacia, 103. 
Acalypha. 62, 85, 97, 145, 385. 
Acanthomyces, 233. 
Acanthospermum, 148. 
Acer, 71, 134, 240, 255, 376. 
Acerates, 231. 
Acetabularia, 278. 
Acetosella, 55. 
Achnanthes, 28. 
Achroanthes, 63. 
Achyrocline, 148. 
Achyrodes, 64. 
Aciachne, 258. 
Aconitum, 182,239. 
Acrostalagmus, 18. 
Acrostichum, 200. 
Actza, 239. 
Actinea, 58. 
Actinella, 58, 94. 
Actinocyclus, 28, 67. 
Actinomeris, 59, ges 
Actinoptychus, 28, 319. 
Acuan, 55. 
ae 85. ; 
iantum, 25, 182, 278, 289. 
Adicea. 63. dete: 
Adelia, 60. 
Adenocaulon, 242. 
Adenophyllum, 59. 
Adenostegia, 61. 
Adesmia, 56. 
Adlumia, 53, 349, 35°- 
Adnaria, 59. 
Adonis, 380. 
Adopogon, 58, 385, 
Adorium, 37. 
/Echmea, 66. 
#Ecidium, 277. 
Eschynomene, 384. 
Esculus, 25, 55, 267- 
Afzelia, 61 
Agaricus, 161. 
Agastache, 62, 385. 
Agave, 25, 30, 137, 256, 260, 277. 
Ageratum, 58, 85. 
Agoseris, 58. 
Agrimonia, 221. 
pron ie 144, on Poh oes 
IS, I 35» 339 349, 30- 
Rennes: 0536; 
» 207. 
Albizzia, 56. 
‘Alhonia, 2. 
Alisma, 194. 
_ Allenrolfea, 62. 
Allium, 45, 147, 245. 
rya, 234- 
Alnus, 134, 171, 244, 335- 
‘ Antennaria, 242, 376. 
Alocasia, 85. 
Alopecurus, 182, 386. 
Alophia, 235. 
Alsia, 275. 
Alsine, 54. 
Alstroemeria, 260. 
Altenanthera, 85. 
Althza, 257. 
Alveolaria, 136. 
Alyssum, 53, 67, 234. 
Amarantus, 10, 46, 83, 144, 260, 318, 380. 
Amblyopappus, 58. 
Amblystegium, 24. 
Ambrosia, 147, 195. 
Amelanchier, 280, 293, 323, 331» 376. 
Amellus, 58. 
Amianthium, 63, 385. 
Amicia, 237. 
Ammannia, 68. 
Amorpha, 44. 
Amphicarpa, 56. 
Amphicarpza, 209. 
Amphidium, 318. 
Amphilophium, 235. 
Amphiprora, 28, 67. 
Amsonia. 259. 
Amygdalus, 381. 
Amyris, 30, 55. 
Ananas, 30. 
Anaphalis, 242. 
Anchusa, 10 
Andropogon, 33, 65, 164, 286. 
Androsace, 384. 
Anemone, 183, 231, 239, 284, 376. 
Aneura, 99. 
Anhalonium, 383. 
Anidrum, 57. 
Anil, 55. 
Anila, 55- 
Annesleya, 56. 
Annularia, 197. 
Ancectangium, 318. 
Anomalopbyllites, 332. 
Anona, 60. : 
Anonymos, 66. 
Antephora, 304. 
Antirrhinum, 10, 233. 
Antitrichia, 248. 
Anthemis, 138, 144, 146, 260. 
Anthoxanthum, 343- 
Antogceringia, 57. 
Anthriscus, 57. 
um, 142, 286, 
Aquilegia, 69, 140, 182, 239. 
Arabis, 54, 220,240. — 
Arachis, 30. 
Arzococcus, 68 
Aralia, 85, 89 
Araucaria, 195- 
