Aretium ambiguum—Artemisia campestris 25 
Aretium ambiguum f. melanocephalum 
Novak* II, 103 
— nemorosum II, 18 
— - nemorosum X minus II, 25 
Arctophila 184 
3 os 367, 368, 566. — II, 38 
—. glauca 363 
— mewukka 363 
— . nisseana 363 
eva ursi IL, 168 
visecida 363 
I otheca 320 
Arctotideae 320 
Arctotidinae 321 
Arctotis 320, 321 
— Fosteri 305 
Ardisia 451 
— porosa 450 
Ardisiaceae 119 
_ Ardisiandra sibthorpioides 481 
 Areca 232 
_ Aremonia agrimonioides II, 73 
Arenarıa 296 
— ceinerea II, 182 
— . festucoides Benth. var. imbricata 
Edgew. et Hook. 290 
. — graminifolia II, 48, 103 
Arenga pinnata 232 
‚ Arequipa Britt. et Rose N. G. 276 
Arsemone 463 
, Arsostemma involucratum 503 
Argyrocalymnia 521 
Arsyrolobium 115, 428 
BR aasifolia 490 
Ariadne Urban N. 6. 128 
‚ Ariocarpus 276 
— fissuratus 267 
— kotschubeyanus 267 
— retusus 267 
Arisaema 129, 156, 158, 159 
— dracontium 158 
. — ruwensoricum 129 
— triphyllum 157, 158, 659 
‚ Aristea 100 
Aristida 190 
ı = Hocki 171 
, — Vanderysti 171 
‚ Aristogeitonia 379 
Aristolochia 66, 120, 254, 255, 422. — 
tk, 
Aristolochia altissima II, 199 
— Desf. var. ventizia 254, 255. — 
II, 204 
arborea 254 
clematidis II, 60 
coadunata Bak.* 98 
grandiflora 254, 685 
melanoglossa Bornm.* II, 117 
rotunda II, 122 
sipho 254 
tripartita Bak.* 98 
Aristolochiaceae 126, 
354 
Armeria alliacea II, 193 
alpina 162, 470 
— var. Boissieriana Beauv.* II, 
72 
— MRF- 
72 
maritima II, 22, 185 
Arnebia 265, 266 
Arnica 318 
—  montana 708. 
104, 164 
Arnoseris minima II, 63 
Aromadendrum 436 
— elegans 436 
Aronia 499 
Arrabidaea 262 
Arrhenatherum avenaceum II, 149 
— elatius 186 
— —- var. tuberosa: 186 
Arrojadoa Mattf. N. G. 321 
Artabotrys 102, 250 
Artanema 530 
Artemisia 105, 106, 107, 115, 318, 
— 10, 186, 199 
abrotanum 305 
absinthium 305, 708. — II, 11 
afra 316 
alaskana 305 
annua 305. — II, 87, 200, 206 
austriaca II, 57 
Besseriana 305 
biennis 305 
Bigelowi 305 
ealifornica 108, 305. 
campestris II, 61 
— borealis 305 
— pacifica 305 
130, 254, 255, 
Lereschiana Beauv.* II, 
— 11, 
323. 
— II, 61 
