282 INDEX TO AMERICAN BOTANICAL LITERATURE 
Tehon, L. R., & Young, P. A. A new Hysterium from Illinois. 
Mycologia 16: 30-32. f. r. 19 Ja 1924. 
Theron, J. J. Influence of reaction on inter-relations between 
the plant and its culture medium. Univ. Calif. Pub. Agr. 
Sci. 4: 413-444. 24 Ja 1924. 
peer Wik. lee stability in maize. Science 
Il. 69-70. 18 Jal 
Vainio, E. A. Lichenes a W. A. Setchell et H. E. Parks in 
Insula Thaiti a 1922 collecti. Univ. Calif. Pub. Bot. 12: 
1-16. Ja 1924. 
Wannamaker, J. S. From boll to bolt. Nature Mag. 3: 141- 
146,182. “Mr” F 1924.  [Illust.] . 
A description of cotton 
Waksman, S. A. Influence of soil reaction upon the distribution 
of filamentous fungi in the soil. Ecology 5:54-59. Ja 1924. 
Watson, J. R. Crotalaria as a trap for bugs in citrus groves. 
Florida Grower 29: 6-7. 5 Ja 1924. [Illust.] 
Waugh, F. A. Cornus florida. Fl. Exch. 57: 459. 16 F 1924. 
[Illust.] : 
Weaver, J. E., Kramer, J.,. & Reed, M. Development of root 
and shoot of winter wheat under field environment. Ecology 
3: 26-53. f, 1-5. Ja 1924; 
Welles, C. G. Observations on taxonomic factors used in the 
genus Cercospora. Science II. 59: 216-217. 29 F 1924. 
Wentworth, C. K. The fossil swamp deposit at the Walker 
_ Hotel site, Connecticut Avenue and De Sales Street, Wash- 
ington, D. C. Jour. Washington Acad. Sci. 14: 1-41. pl. 
1-4 + f. 1-2. 4.Ja 1924. 
Including notes on diatoms by Albert Mena with description of 1 new 
species, Stauroneis Washingtoniana. 
Wilson, E. H. Travel tales of a plant collector—XI. The tropics 
of the old world—Part 2. Predacious plants of classic fame 
that feed on air and insects—a race of ever-blooming 
rhododendrons—begonias from the dark forests of Assam. 
Gard. Mag. 38: 285-287. ‘Ja 1924” D 1923. [Illust.] 
