142 EXPERIMENT STATION BECORD. 



The forest resources of the State are given at some length, in which 

 are shown the estimated marketable timber and its value. The condi- 

 tion of stump lands after logging is described, and the rate of increase 

 by actual measurements in small and scattered trees is given. The 

 natural restocking of unburned land is described and the rate of increase 

 for various species of hard and soft wood is given. Numerous miscel- 

 laneous notes are given and letters from various individuals, many of 

 whom are engaged more or less in the lumber business, are appended. 



Forests in the Transcaspian region, A. Rodzevich {Selsk. Ehoz. Lyesov., 183 

 (1S96), pp. 201-227). 



The culture of the willow and history of its use (Fiihling's landw. Ztg., 46 {1897), 

 No. 4, pp. 105-114). — A popular article on willow culture in Germany. The history 

 of the industry is given and its present condition described. 



The relation of insects and birds to the present forest conditions, A. D. 

 Hopkins (Proc. Amer. Forest. Assn., 11 (1897), pp. 173-176).— Birds are considered 

 injurious in the long run, since they do not discriminate between injurious and 

 useful insects. The devastations to the pines of West Virginia along the liue 

 of the West Virginia Central and Pittsburg Railroad when it was being built are 

 mentioned. 



SEEDS— WEEDS 



Something about weeds, J. W. Toumey (Arizona Sta. Bui. 22 y 

 pp. 32, jigs. 12). — This bulletin contains a popular discussion of the 

 nature, classes, and injurious effects of weeds, their dissemination, 

 both artificial and natural, and their eradication. 



The author urges united action in the destruction of weeds, espe- 

 cially such widely distributed ones as Johnson grass and bull mallow. 

 The need of a law in regard to concerted action and of an officer to 

 enforce it is noted. The present law relating to cockleburs and sun- 

 flowers is given. 



Descriptive notes are given on the following weeds, together with 

 remarks on methods of destroying them : Cocklebur (Xanthium cana- 

 densis), sunflower (Helianthus annuus), ground nut (Ccesalpinia falcaria 

 pringlei), horse nettle {Solatium elceagnifolium), miasma weed ( Verbe- 

 sma encelioides), bull mallow (Malva borealis), squirrel-tail grass (Hor- 

 deum jubatum), Bermuda grass (Cynodon dactylon), Russian thistle 

 (Salsola Tcali tragus), knot grass (J'aspalum distichum), nut grass 

 (Cyperus esculentus), dock; (Burner berlandieri), spiny aster (Aster spino- 

 sws), dodder (Cuscuta epithymum), and Johnson grass (Sorghum hale- 

 pense). Most of the above weeds are figured. A note is given of a 

 few introduced weeds. Of these, the common pigweed (Amarantus 

 retroplexive) is described and illustrated. A table of 50 Arizona 

 weeds is given. The table shows the obnosiousness, degiee of distri- 

 bution, method of dissemination, longevity, resistance to eradication, 

 and whether native or introduced. 



Some weeds of the mustard family, L. H. Pammel (Iowa Sta. 

 Bui. 34, pp. 656-686, pis 15). — Brief notes are given on the economic 

 importance of the plants of the mustard family. Detailed descriptions 



