INDEX TO X^OLUAIE EIGHTEEN 



(Tho names of species and varieties described as nvw i\u> 

 are in bold face type,] 



if new combinations 



Abies alba, 203 



Abronia micrantlia, 179 



Acacia koa. 48 



Account of a \'isit to tlie Juan Fer- 

 nandez Islands, An, 39 



Acer pennsyKanicum, 145; rubrum, 

 71, 143, 149; saccharinum, 168, 169, 

 170; Saccharum, 127, 168, 170; 

 spicatum, 116, 133 



Achillea Millefolium, 83-86; Mille- 

 folium nigrescens, 226 



Aconitum Xapellus delphinifolium, 201, 

 207 



Actaea rubra, 130 



Adams, E., 61 



Adams, J. F., 38, 124; Keithia on 

 Chamaecyparis thyoides, 157 



Additions to the Flora of Western 

 Oregon. 21 



Adenocaulon bicolor, 190 



Adiantum pedatum, 113, 165 



Adlumia fungosa, 139 



Agaricus placomyces, 137 



Agathis australis, 155 



Agoseris heterophylla normalis, 225 



Agropyron caesium, 25; repens, 84 



Agrop\Tum caninum, 130 



Agrostemma Githago, 26 



Agrostis alba, 84-88; hiemalis, 24, 71; 

 oregonensis, 193; Schweinitzii, 145 



Ailanthus glandulosa, 224 



Aira caespitosa arctica, 210 



Alectoria ochroleuca, 211 



Aleuria bicucuUata, 245 



Aleurites Moluccana, 48 



Aleurodiscus Oakesii, 144 



Allium schoenoprasum, 204; tricoccum, 

 139. 144 



Allocarya californica, 225 



Alnus rhombifolia, 223; rugosa, 133; 

 viridis, 202, 203 



Alopecurus aipinus, 207-210 



Alsine media, 141 



Amanitopsis vaginata, 137; vaginata 

 livida, 137 



Amaranthus blitoides, 33; graecizans, 

 33. 86: retroflexus, 82, 86 



Amblystegium filicinum, 106, 145; 

 orthociadon, 112; varium, iii, 133 



24 



Ambrosia artemisiifoiia, 30, 82, 86; 



elatior, 71 

 Amelanchier canadensis, 116, 133; in- 

 termedia, 133; spicata. 109 

 American Museum of Natural History, 



20; meetings at, 59, 62, 75, 96. 123, 



154. 175 

 American Phytopathological Societry, 40 

 Amrnophila arenaria, 71 

 Amsinckia arenaria, 224; intermedia, 



224; lycopsoidcs, 224; Menziesii, 224 

 Anacardium occidentale, 184 

 Anaphalis margaritacea, 136 

 Anchistea virginica, 135 

 Andrews, A. L., Brvological notes — 



IV. 



A new hybrid in Physcomitrium, 52 

 Andromeda glaucophylla, 239, 241; 



Polifolia, 145, 202; Polifolia arctica, 



206 

 Androsace chamaejasme, 206 

 Anemone multifida, 205; narcissiflora, 



202, 205-207; parviflora, 202, 205, 



210; riparia, 134 

 Anethurn graveolens, 28 

 Anogra pallida, 28 

 Anomodon attenuatus, 140; rostratus, 



104; viticulosus, 104 

 Antennaria plantaginifolia, 71, 130 

 Anthemis cotula, 82, 86 

 Anthoxanthum Puelii, 24 

 Antirrhinum majus, 30 

 Aphanorhegma serratum, 52; serratum 



X Physcomitrium turbinatum, 54 

 Apium graveolens, 224 

 Aplectrum hyemale, 148 

 Apocynum album, 144; hypericifoHum, 



134 

 Aquilegia canadensis, 104, 165; saxi- 



montana, 179 

 Arabis, 93; laevigata, 144; lyrata, 104 

 Aralia nudicaulis, 133; racemosa, 133 

 Aragailus dispar, 180; minor, 180; 



palens, 180 

 Arctostai)hylos alpina, 202, 204 

 Arctium minus, 87 

 Arenaria arctica, 205; Douglasii, 26; 



laterifolia, 202; macrocarpa, 207; 



lJCi)Ioid es, 203; serpyllifolia, 83, 87, 



7 



