115 



INDEX TO VOLUME TWENTY-SEVEN 



The names of species and varieties described as new are in bold faced type. 



Abbott, B. R., 41, 56 

 Abies mayriana, 46 

 Acanthopanax senticosus, 47 

 Acer pennsylvanicum, 108; rubrum, 5, 



6; sacciiarinum, 5; saccharum, 5; 



spicatum, 108 

 Achillea millefolium, 5, 6, 100; ptar- 



mica, 102 

 x^conitum barbatum, loi; napellus, 



loi; noveboracense, 32 

 Adams, Charles C, 43 

 Adoxa Moschatellina, 34 

 Agrimonium, 100 

 Ailanthus lesquereuxi, 95; longipe- 



tiolata, 95 

 Alexander, W. P., 43 

 Allenrolfea occidentalis, 10 

 Allium, 100 

 Alnus, 102 



Amaranthus auroro, 74 

 Ambrosia artemisiifolia, 5; trifida, 74 

 Anthobryum triandrum, 67 

 Aplectrum hyemale, 31 

 Aquelegia, 102 

 Arctium minus, 5 

 Arejiaria groenlandica, 31 

 Aretliusa bulbosa, 61, 109 

 Aristolochia Serpentaria, 31 

 Artemesia, 100 

 Arthur, John M., 57 

 Asclepias nivea, 74; Syriaca, 5 

 Aster oblongifolius, 5; pauciflorus, 10 

 Atriplex patula, 48 

 Aureolaria Pedicularia, 34 



Baiera, 99 



Bailey, L. H., 79 



Barnhart, John H., 17, 38, 56, 73, no 



Bartlett, Harley H., 18 



Beals, A. T., 109 



Benedict, R. C, 17 



Berberis amurensis, 47; regeliana, 47 



Berry, Edward W., New Plant Rec- 

 ords from the Pleistocene, 21 



Betula alba, 99; a. verrucosa, 100; 

 baicalensis, 100; populifolia, 6 



Beyer, Leonard K., A Green Form 

 of Trillium sessile, 83 



Bicuculla canadensis, 32 



Blephariglottis fimbriata, 106; grandi- 

 flora,i4; lacera, 14, io6;peramoena, 

 106; psychodes, 106 



Book Review, Rehder's Manual of 

 Cultivated Trees and Shrubs, 36 



Botanical Riddle, A, Kenneth K. 



Mackenzie, 81 

 Botrychium neglectum, 14; simplex, 



14 

 Boyce Thompson Institute, 42 

 Brasenia purpurea, 24; Schreberi, 24 

 Britton, Mrs. Elizabeth G., 73, 96 

 Britton, N. L., 18, 75 

 Brown, N. E., Lanugia, A New Genus 



of Rubber-yielding Trees, 51 



Calopogon, 62 



Campanula americana, 34; glomer- 



ata, loi ; punctata, 47; steveni, loi 

 Camplosorus rhizophyllus, 14 

 Camptothecium nitens, 109 

 Cardamine pratensis, loi 

 Carr, William, 60, 96 

 Castanea dentata, 5 

 Cat Tail, Typha angustifolia, in 



Utah, The, J. Arthur Harris, 9 

 Celtis, 7 



Ceratiola ericoides, 103 

 Chamaecyparis thyoides, 91 

 Chamaelirium luteum, 30 

 Chamaenerion augustifolium, 99 

 Chamaesyceadhaerens, I04;brachy- 



poda,93;deltoide^, i04;Mosier^, 93 CLj 

 Chamaesyce, from Tropical Florida, / 



A new, John K. Small, 104 / 



Chelidonium majus, 100 

 Cheney, Dr., 108 



Chenopodium album, 48; glaucum 48, 

 Chrysanthemum frutescens, 74; leu- 



canthemum, 100; sibiricum, 100 

 Circaea alpina, 33 

 Claytonia caroliniana, 31 

 Cliftonia monophylla, 91, 92 

 Clintonia umbellata, 30 

 Cockerell, T. D. A., 19, 79; A new 



Oak from the Green River Eocene, 



94; A supposed Fossil Catmint, 54; 



The Flora of Siberia, 98; The Flora 



of Yezo (Japan), 45 

 Coeloglossum bracteatum, 14, 31 

 Cocker, Robert E., 43 

 Comarium palustre, 32 

 Concerning some species of Machae- 



ranthera, Geo. E. Osterhout, 63 

 Conopholis americana, 34, 105 

 Convolvulus, 100 

 Coptis trifolia, 32 

 Corallorrhiza, 61 ; maculata, 106 



odontorhiza, 106 



