56 The Bulletin. 



PLATE I. 



Showing sec<l>< iititiir<il xi:r (iml ctihrnjrd. 



a. Johnson-grass fi^oriih inii T/nlcixii-sr (L.j J'crsj Hull single. iihIIsIkmI. 



(■li(iinl;iti'-lir(i\vii or straw-coloi-fd. Tn millets niiil eerpals. 



b. Field Paspalum t I'd-siinl imi hi>r< MicJi.r.) Ilnll doiilile. straw-colored. 



In .Taiiaii cbixt'i'. 

 *c. Tall Paspalum f I'iis/ki] mn illldlat uni I'o'ir.) Hull ilouble, flattened, 

 straw riildicd. liaii'v (Trade uanie, Dallas (Jrassi. 



d. Slender Paspalum f l'(i-'<it(ilinii sctaceKiii Micli.ij Ilidl doulile. sti'aw- 



colored. In red clover and coarse grasses. 



e. Small Crab-grass (t^iiuthcil^iiKt liuoiris; (Kroi-l:.) XaxJi.) Hull ddiihle. 



tlic outer gray, hairy: inner i)lark. In clovers and grasses. 



f. Large Crab-grass (SniitlicrisuKi saiH/iiiiialix ( L.l Ditlac.) Hull double. 



siia\v-colored. In clovers, grasses, and cereals. 



g. Barnyard-grass (Ecliinochloa Criis-f/alli (L.) Bvdnv.i Hull double, outer 



sti'aw-colored. hairy; inner lighter, iiolishcd. In alfalfa, clovers, 



grasses, and cereals, 

 h. Witch-grass (Paiiicioii rci/)Hl(irr L.l Hull double, outer brown: inner 



gray, iiolislied. Tn domestic alfalfa, clovers, grasses, and cereals. 

 *i. Broom Corn Millet (Paniciim miUaccum L.) Seed mostly in single, pol- 

 ished hull, straw-coloreil, gra.v. or brown. Occ-isionally in grasses and 



cereals, 

 j. Spreading Panicum (PiDiiciiiii prolifeniiii Lam.) Seed similar to h. but 



larger and relatively longer. In domestic alfalfa, clovers, .grasses, and 



cereals, 

 k. Tall Smooth Panicum /Pciniriiiii rinjatimi L.) Hull usually single, gray, 



piijislied. In donu'stic alfalfa. 

 I. Yellow Fox-tail fChaetochloa f/Janca (L.) Scrihii.) Hull single or double, 



outer papery, straw-colored : inner cross-ridged, straw-colored, lirown. or 



green. In clovers, coarse grasses, and cereals, 

 m. Green Fox-tail iClmrinvhloa riritJis (L.) Srrihii.) Hull single or doultle, 



outer thin. iiai)ery. straw-colored; inner rough, brown mottled, or green- 

 ish. In alfalfa, clovers, .grasses, and cereals. 

 *n. Italian or Common Millet (CliartocMoa Itolira (L.) S'crihti.) Hull siu.gle 



(ir douiile. out<'r thin, straw-colored: inner shining, yellowish. In al- 

 falfa, clovers, grasses, and cereals. 

 o. Bur Grass ((JcnchvHS trihiilDidcs L.) Outer bur-like hull .seldom found, 



free brown grain found in domestic alfalfa. 

 ='=p. Reed Canary-grass (Phahiris (n-uiiduincen L.) Seeds occurring mostly in 



the ]M.lislied hair brown inner hull. Uarely an impurity. 

 *q. Sweet Vernal-grass ( Antho.vantlnnu (/(lorafinii L.l Hull double, outer 



brown, hairy, two-awned; inner brown, polished. In imported clovers 



and grasses. 

 r. Poverty-grass f.\ri!<litht (UcJioIojiki Mirh.r.l Seeds as found bear the 



inner, mottled awn-tipped hull. In rtnl clover and esi)ecially .laiian 



clover. 

 *s. Timothy fPJileiDii prnicnftc L.) Hull single, light colored, often absent; 



giain gray. dull, finely roughened. An impurity of all farm seeds. 

 t. Slender Fox-tail r\lo]icciirii.^ (i(/rrstis L.l Hull double, straw-colored, 



smooth: the grain soft. In imported crimson clover, 

 u. Marsh Fox-tail f Mopccurus geniCHlatus L.; Hull double. Hat. hairy, 



brnwn or straw-colored. Tn grasses. 

 *v. Meadow Fox-tail (.{loix'ciini.s- pratfii.si.<< L.l St I'uctui'ally similar to u. 



larger, light straw-colored or brown. In grasses. 

 *w. Red-top (.\<iroti!< nlha L.) Hull single or doulde. •■uter straw-colnred ; 



inner silvery white; grain amber colored. In faini seeds generally. 

 X. Velvet-grass flfoU-iis hiimluK L.l Hull double, outer straw-colored, with 



slinrt hairs; inner smooth shinin.g. In clovers and grasst-s. 



*.\fliiriiltura} seed. 



