INDEX TO TORREYA— VOLUME 42 

 New names are in bold face type 



Abies Webbiana, 100 



Achras calcicola, 69, 71 ; chicle, 69-72, 



74; sapota, 38, 42, 69-81, 105, 110, 



111 

 Acronychia, 126 

 Adenanthera pavonina, 126 

 Adliimia fiingosa, 185 

 Agastache nepetoides, 188 

 Aglaia samoensis, 126 

 Agrosfemma Githago, 185 

 AjELLO, LiBERO. A new Chytrid 



genus Polychitrium, lecture, 145 

 Alaska, The genus Ciciita in, 176 

 Aleurites moluccana, 127 

 Allegany County, N. Y., 174 

 Allegheny Plateau, 174 

 Allen, C. E., 65 

 Alphitonia zisyphoides, 126 

 Alstonia eximia, 77, 81 ; grandiflora, 



77, 81 ; Scholaris, 77, 81 

 Alyxia st ell at a, 126 

 Amanita muscaria, 84, 85 ; Peckiana, 



83 

 Amanitopsis vaginata var. plumbea, 



82; volvata, 82 

 Anacharis occidentalis, 183 

 Anchistea virginica, 182 

 Anderson, J. P. Flora of Alaska — 



I. The genus Cicuta, 176 

 Anderson, Louis, 60 

 Andromeda glaiicophylla, 187 

 Angelica villosa, 187 

 Aplectrmn hyemale, 184 

 Arabis canadensis, 185 

 Arenaria groenlandica, 185 ; lateri- 

 flora, 185 

 Arethusa bulbosa, 184 

 Arisaema Dracontiiim, 184 ; pusillum, 



183 

 Aristolochia Scrpentaria, 184 

 Arizona, flora of, 9, 138 

 Asarum canadense var. acuminatum 



f. Prattii, 180; caudatum f. c/i/o- 



rolencum, 180 



Asclepias purpurascens, 188 ; quadri- 



folia, 188; tuberosa, 188 

 Asplenium auritum, 34 ; exiguum, 



139 ; m,ontanum, 182 ; pinnatifidum , 



144; trichomanes, 95 

 Aster Herveyi, 189 ; infirmus, 189 ; 



linearifolius, 189; paniculatus, 189; 



punicens, 189; Tradescanti, 189 

 Atherium alpestre var. americanum, 



145 

 Aureolaria flava, 188 ; pediciilaria, 



188 

 Autumn coloration, lecture, 27 



Bald cypress, 57 



Baldwin, H. I., 23, 24 



Earnhardt, J. H., elected delegate, 

 30 



Barringtonia asiatica, 127 



Barton, L. V. Some special prob- 

 lems of seed dormancy, lecture, 63 



Bartonia virginica, 188 



Befaria, 168 



Benedict, R. C, 23 



Benham, Rhoda W. The microbe's 

 challenge, review, 88 



Benson, Lyman. Notes on the flora 

 of Arizona, 9 



Benfhamia, 11, 12; Spach, 12 



Benthamidia, 11 



Berger, C. a. and Eleanor Wit- 

 KUS. The prophases of polysomatic 

 mitosis and their relation to meio- 

 sis, lecture, 200 



Berteroa incana, 185 



Betiila Bhojpattra, 100; nf^rra, 184 



Bidens bipinnata, 189; cerniia, 189; 

 comosa, 189 ; trichosperma, 190 



Bikkia grandiflora, 126 



Billbergia, 96 



Blakeslee, a. F., 67 



Blechnnm, 36 ; spicanf, 145 



Blephila hirsuta, 188 



Bold, Harold C. An introduction to 

 the study of Algae, review, 140 



202 



