FIELD CROPS. 343 



central Texas and the reasons for their deterioration, and suggests 

 methods for their renewal. Notes are given on the grasses and forage 

 plants mentioned. 



The following native grasses and forage plants are recommended for 

 propagation : 



Western -wheat grass (Agropyron spicatum), feather sedge or feather blue stem 

 (Andropogon saccharoides torreyanus), bushy blue stem (A. nutans), side-oats grama 

 (Bouielona curtipendula), black grama (B. hirsuta), blue grama (B. oliyostachya), 

 rescue or artic grass (Bromus unioloides), Arizona millet (Chcetochloa macrostachya), 

 Bermuda (Cynodon dactylon), wild rye (EJymus canadensis), everlasting grass (Erio- 

 chloa punctata), curly mesquite (Hilaria cenchroides), wild timothy (Muhleribergia 

 racemosa), white top (Triodia albescens), galleta or black grama (Hilaria mutica), 

 alkali saccaton (Panicum bulbosum),ha,TtijaiA grass (P. crus-galli), beardless barn- 

 yard grass (P. crns-yalli muticum), cotton-top (P. lachnanthum), chaparral millet 

 (P. reverchoni), hurrah grass (P. reticulatum), Colorado or Concho grass (P. texannm), 

 switch grass (P. virgatum), water grass (Paspalum pubiflorum ylabrum), Texas crow- 

 foot (Leptochloa dnbia), drop seed (Sporobolus cryptandrus), needle or dog-town grass 

 (Aristida fasciculata), and buffalo grass (Bulbilis dactyloides). 



In addition to the above the following are considered of probable 

 value : 



Bur grass (Cenchrus tribuloides), wild millet (Clicetocliloa italica), sedges (Cyperus 

 and Carex spp.), bog rushes (Juncus sp.), satin grass (Muhlenbergia tenuiflora), grape- 

 vine mesquite (Panicum obtnsum), crab grass (P. sanguinale), knot grass (Paspalum 

 distichjum), wild oats (Vniola latifolia), prairie sage brush (Artemisia ludoriciana) 

 butterfly pea (Clitoria mariana), bushy knotweed (Polygonum ramosissimum), woolly 

 plantain (Plantago gnaphalioides), purslane (Portulaca oleracea), and cotton purslane 

 (P. pilosa). 



The following grasses and forage plants are thought to be of little 

 forage value, but worthy of consideration : 



Crow's foot (Chloris cucullata), feather crow-foot (C. alba), love grass (Erayrostis 

 pilosa and E. secundiflora), stink or candy grass (P. major), Muhlenbergia arenicola, 

 old witch or tickle grass (Panicum capillare), hairy-flowered panic (P. ciliatissimum), 

 brown top (P. fuscum), Hall grass (P. hallii), Sporobolus druntmondii, fall redtop 

 (Triodia seslerioides), gunaninpil (Allionia incarnafa), tumble weed (Amaranlhus 

 blitoides), water purslane (Ammannia coccinea), white sage, sage brush (Artemisia 

 mexicana), grouud plum (Astragalus crassicarpus), fox sedge (Carer rulpinoidea), star 

 thistle (Centaurea americana), lamb's quarters (Chenopodium album), grandpa's beard 

 (Clematis drummondii), wild sages (Croton spp.), red-root sedge (Cyperus erythro- 

 rhizos), hog nut, chufa (C. esculentus), Ephedra nevadensis, aliilaria (Erodium cicu- 

 tarium), winter fat (Eurotia lanata), rosin weed or gum weed (Grindelia squarrosa), 

 dwarf broom weed (Gutierrecia sarofhrce microcephala), sunflower (Helianthus annuus), 

 artichoke (H. tuberosus), blue weed (Hoffmanseggia striata), wild verbena (IAppia 

 nodiflora), bur clover or California clover (Medicayo maculata). prickly pear (Opuntia 

 engehnanni), sorrel (Oxalis comiculata), prairie clover (Kuhnistera sp.), and the mes- 

 quite bean (Prosopis juV flora). 



Experiments with oats, C. C. Georgeson, F. C. Burtis, and 

 D. H. Otis (Kansas, Sta. Bid. 74, pp. 195-211).— These experiments 

 were along similar lines to others heretofore reported (E. S. E., 0, p. 42). 

 The results are given in tabular form. 



In a comparison of spring-plowed, fall-plowed, and unplowed land 



