INDEX. 
(Synonyms are in italics. The principal account of the species of any genus will be found on the page 
or pages following the genus name. The few species names entered in the index are followed by only 
secondary references.) 
Page. Page 
Abies... ...022200200 020000022222 93 Alpine fir....-22.2..22220.0202.0002220 222200. 93 
amabilis........0... cece eee cece ee eee eee 12,58 meadows.............--2.- 20022000000. 33, 35 
grandis................2....2222.-2---.- 42,58 | Alsike clover.....................-...-----.. 361 
lasiocarpa...........2..2..2.2-2.222--0-- 60 | Alsine.. 2.2... 0.0022 e ee eee 257-259 
nobilis... ..22....222...20-20.202222200-2- 12 | Alyssum..............2.... ceeeeee weheeeeece 287 
Abronia...... 2.20... 002.0..2 20020222 eee eee 244 | Amabilis fir...........020000.0200..0.020.....-- 93 
latifolia... 22.22.2222 eee 47 | Amaranth family.............22...22.....-- 244 
umbellata.......2..2....2..2...22..22-- 47 | Amaranthaceae...............02...0.2.2....-- 244 
ACOL. Lee eee eee eee 385 | Amaranthus............2..2..02.0--0.-00--- 244 
macrophyllum...........-2-.....-.-.... 42 |; Ambrosia....................22.2-20-22-0--- 551 
ACOTACOAC. 2.2... ec eee eee eee eee 385 | Ambrosiaceae................--.--------- 590-552 
Achillea. ...22....020200000022000 0222s 584 | Amelanchier........2..2.020.00020.0..0......- 345 
millefolium..........2.....0.0222.02000... 58 cusickii.. 22.2.2... 200202 49 
Achlys.......22..2.2-2.2200 200200022 cece cece 283 | Ammannia.................2.-2022-2000200- 398 
Acomastylis 00.00.0222. 0002 eee eee ee 344 | Ammodenia...............-....2----------- 260 
Aconite.............220.2. 00222 eee eee 282 | Amsinckia.............20.22....02-2.--02-- 480 
Aconitum..........2.22...00.02.00.02220000-0. 282 | Amygdalaceae.........220.0.0002.0.222.2--- 348 
Actaea... 2... cece cece eee cece eee 278 | Anacardiaceae..........2....22.00.20.0002-- 383 
Adams, Mount, botanical collection. ......- 19 | Anmacharis.............0.20.200.2..0-22-2--.- 101 
Adder’s tongue..................222222. 49, 83,192 | Anaphalis........0002.000000.0200 2.222202. 606 
Adenocaulon................-222..-0------- 607 margaritacea revoluta.................. 614 
Adenostegia.................2.222222222...- 518 | Ancestry, relation to distribution of plants. 33 
Adiantum........................ eeeeeee eee 78 | Anemone.................- cece cece eee cece 267 
Agastache............. weet ween cece etenccee 489 | Angelica...........22022.2--2---22---0----- 2 418 
Agoseris...........-222..-2-222.220-2-2-2-- 541-545 hendersoni....................... ceeeeee 47 
Agrimonia.........22.002.002..00200...02... 335 | Anogra..... cee ce eee eee eee eee eee eee 407 
Agropyron..........-.2........2-22....-. 146-149 | Antelope brush .................2--.-..--- 36, 345 
spicatum.........2....2-2...22202.00... 48 | Antennaria...........20.0.000....0-00-- .- 601-606 
Agrostemma....................0222-0222-- 256 rhodantha........22.....-22...2-........ 614 
Agrostideae.........002...00000..222220---- 102 | Anthemis....................-....----.-.--- 585 
Agrostis. ......22....2.000.0.0002.00.2222-- 118-121 | Anthoxanthum............................. 106 
TOSSAC... 22. eee eee eee eee 62 | Aphyllon.... 20.2.0... c eee cee eee eee eee O21 
0 121 arenosuMm...........-.....2-22220--00 614 
Aizoaceae.. 2.2... eee eee 245 COMOSUM . 2... eee eee eee 44 
Alaska cedar...... 2020000020002. 2 2 eee 91 inundatum........-...... Dee e ec eeee 614 
heather.......202 2 oo. e eee 489 | Apiaceae... 2.22... 2 0220. e eee eee eee ee 413-431 
Alchemilla..........0...2220.0.02..2200-0--. 335 | Aplopappus...... 2.0.00. 002. e cee ee eee ee 559, 560 
Alder... 2.2.0... 22220000020 219 | Apocynaceae.... 2.2.2.2... eee eee eee 452 
red. -.........020..22020000- weet eter eens 42,219 | Apocynum.............2.2....00.-0220000200- 452 
Alfalfa. ......00000000000000.0.2002022 22 eee 363 | Apple family................0.2.2.2.2..-- 345-347 
Alfilaria....-.-.. 002020020022 e eee cee e eee 380 | Aquilegia. 22.000... 0. 00. c eee ee cece eee 278 
Aligera.. 2.0.2.2 ccc cece eee eeeee 533 formosa.....-- 22. -22 22222 ; 58 
. macroptera obtusa... ..... Tone essen es 614 Arabis. 22.000. eee 291-295 
Alisma.. 22.2.2... 20202020. eee eee eee 100 Araceae 177 
Alismaceae..... 2.222020. 2c eee eee eae OO | nes eee seen ee eens . 
Allen, O. D.. botanical collection........... 19 Aragallus Toe sre se ees eens 367 
AMUN eee eee tee cece eee 187-189 | Atala. ...-..- cores esos es ees ae al2 
ANMOCATYA.. 2 oo ooo eee cee ee eee ccccccee. 485 Araliaceae.......2...... ee cee e eee ee ee cee . 412 
chorisiana... 22.2.2... ccecee cee ceceee 44 | Arbutus. .........002.2....0-...24.. bees . 437 
Allotropa..... 0... 220. eccececcececcece eee 435 | Arceuthobium.............2.22.202222000-- .- 222 
Almond family... ......2.......22.2202-0-- 348 | Arctic life zone, altitudinal limits.......... 36 
AINUS. Loe eee eee eee eee 219 character... 20.222... 2. eee eee 34 
Alopecurus..... 2.2.22. eee cece eee eceeeeceee 110 flora... ee. ee eee eee ee eee 62-65 
