172 



second column, line 12 MoUugo 



17 Mimosa strigillosa 



26 Sida 



30 Cardiospermum 



8 from bottom Jussiaea lepto- 

 carpa Nutt. 

 41, first column, line 5 Ilysanthes 



Dates of Publication of Vol. 29 of Torreya 



No. 1, January-February March 7, 1929 



2 March-April May 2 



3 May-June July 2 



4 July-August August 12 



5 September-October October 24 



6 November-December January 10 



NEWS NOTES 



Beginning with our January-February number we will 

 publish a series of special interest to teachers of high school 

 biology and botany. The following are some of the articles which 

 have been promised: Ontogeny and Organization of the Plant 

 Body, Dr. E. W. Sinnott; Sterilities, dichogamy, maple 

 flowers, Dr. A. B. Stout; Breeding Cereals for Disease Resis- 

 tance, Dr. G. M. Reed; Present Status of forest tree epidemics; 

 Dr. h. H. Graves; Gladiolus as Class Room Material, Dr. 

 F. T. McLean; Plants of my Back Yard, Dr. H. A. Gleason; 

 Scientific Plant Breeding of Apples, Dr. R. C. Benedict; 

 Incunabuli, Dr. C. Stuart Gager; Besides the articles referred 

 to there will be others by Dr. R. A. Harper, Dr. Sam Trelease, 

 Dr. B. O. Dodge and other botanists. 



A. S. Hitchcock, custodian of grasses of the U. S. National 

 Herbarium, has returned from Africa. He made large collec- 

 tions of grasses, especially in East Africa, where he states, 

 conditions for collecting were the best he had ever encountered. 

 (Science) 



ARROW GRASS, POISONOUS TO LIVESTOCK, CONTAINS 

 THE DEADLY HYDROCYANIC ACID 



Hydrocyanic acid, one of the deadliest of poisons, exists 

 in small quantities in arrow grass, Triglochin maritima, a 



