484 



ANNUAL REPORT 



In grainfields, where it is a nuisance, but as a forage i)lant it 

 is valuable. 



Hordum jubatum. L. 



It is probably only a waif. It is not a native here. In July, 

 1886, I found a small patch on the C, M. & St. Paul E. E. near 

 La Crescent, Minn. 



TaMe showing origin of weeds. 



Orders. 



Eu. 



U.S. 



Eu.&U.S. I Trop. Am. 



Asia Total. 



Cruciferae 



Caryophylleae... 



Portulaceae 



Malvaceae 



Geraniaceae 



Legaminosae 



Rosaceae 



Onagrareae 



Cucurbitaceae ... 



Ficoideneae 



Umbelliferae 



Compo.sitae 



Asclepiadeae 



Boragineae 



Convol vulaceae . . 



Solaaaceae 



Scrophulariueae. 



Labiateae 



Plantagineae 



Amarantaceae ... 

 Chenopodiacea... 



Polygouaceae 



Eupliorbiaceae . . 



Urticaceae 



Gramineae 



3 

 10 



Totals 44 



3 

 2 

 1 

 1 

 1 

 10 

 2 

 1 



82 



5 

 4 

 1 

 2 

 1 

 1 

 3 

 2 



1 

 1 

 4 

 21 

 2 

 3 

 1 

 2 

 3 



11 



88 



Of the 88 weeds represented in this list, 44 are European, 32 

 of American origin, and nearly one-third of these come from 

 the compositae, the most troublesome of our weeds and almost 

 one-fourth of the entire list are members of the compositae. 



The following are some of the important papers and works_on 

 the subjects which have been consulted: 

 Arthur, Prof. J. C. 



4th and 5th Annual report of the N. Y. agricultural experi- 

 ment station, pages 262 and 298. 

 Beal, Prof. W. J. 



Grasses of North America (J) Vol. 1. p. 219;(2) p. 235;(3) p. 

 222 figures the seeds and fruits and has appended, 

 some remarks concerning the common weeds affecting the 

 meadow, p. 100, 224, 273. 



