66 The Bulletin-. 



PLATE VI. 



SJintriiui srcd!^ iKifiD'al size und ciilarricd. 



*a. Fenugreek (Tri<i<niUhi f(i<'iniiii-<iraccii}ii Lj YoUowisli lirowii. scented. 

 In coarse srassps and ccivals. 



b. Carolina Crane's-bill (Geranium Carolijiiainnii L.) Piiikisli hi-own. sur- 



face finely netted. In Anierican-srown crimson clover. 



c. Cut-leaved Crane's-bill (flrraiiiinn (lixficctiDn L.) r.rciwn or jiray. pitted. 



In l'"Tir(i]»ean crinisdu and red clovers :iiid ,i^i'ass(>s. 



d. Small-flowered Crane's-bill (dcraiiiiDu piisiUiiin Burin, f.) Pods gray, 



seeds light brown. In European clovers. 



e. Dove's-foot Crane's-bill (flcrauiuin inoUr L.) Pods brown, cross-ridged; 



seeds light brown. In Eurojienn clovers and grasses. 



f. Hemlock Stork's-bill or Alfilaria (Erodium cieutariuiii (L.) I/TIcr.) Seeds 



brown: pods reddish brown and hairy. In alfalfa, clovers, and grasses. 



g. Upright Yellow Wood-sorrel (Oxalis stricta L.) Reddish gray, flattened. 



In clovers. 

 h. Virginia Three-seeded Mercury ( Acali/iiJid Mr(;iiiic(i L.) Ik'own or gray, 



usually mottled. In (bmiestic clovers. 

 1. Large or Upright Spotted Spurge CEupliorhia inifaiif; Lofi.) Light or 



dark st(^el gra.v. In clovers and gi'asses. 

 j. Mallow (Mdlra .sp.) Seed gra.v or brown: pod wi'inkletl, brown. In 



Enrojiean alfalfa and clovers. 

 k. Prickly Sida (f^ida spiiiosa L.) .Seeds brown, dull : jhhI lirown. wrinkled, 



foi-la'd. In donx'stic alfalfa and red clovei'. 

 I. Common St. John's-wort ( II i/pcricu))) prrfordtuiii T,.) Black, roughened, 



niiinite. In small seeded clovers and grasses. 

 m. Pansy (\'io](i tricolor L.) Yellow or reddish. In European clovers and 



gi-asses. 

 n. Corrmon Evening-prim.rose /Oinn/ra hirniii.'^ (L.) f^rop.) Reddish brown. 



dull. In clovers, grasses, and cereals, 

 o. Sinuate-leaved Evening-primrose (O-Jnothrra Jaciuiata Hill.) Light 



brown, sui'face indented. In American-grown crimson clover. 

 p. Knotted Hedge-parsley fTorilis nodosa (L.) Gacrtu.) Gray, rough or 



si)iny. In imjiorted alfalfa, clovers, and grasses. 

 tq. Wild Carrot (IhiucHfi Carota L.) Light brown, flattened, remnants of 



whitish spines iisually on one side. In farm seeds generally, 

 r. Undetermined Species of Carrot Family (T'nihcllifrrar B. Ju.^-'i.) Gray 



with light ribs, ("onnnon in Chilean I'ed clover, 

 s. Chervil f A iitliiisrus xp.) Dark gr(M>n with luster. In Euro]iean grasses. 

 t. Red or Scarlet Pimpernel (A}iaci(illi.^ (irrciinix L.) Dull reddish brown, 



or black wher(^ rubb<'d. In clovers and grasses. 

 u. Small Bindweed fCoiiroIruhts f/;-rr».s-/.s' L.) Gray due to light raised 



si)()ts. Tn coarse gi'asses. millets, vetches, and cereals. 

 V. Flax Dodder (CufiCutn Epiliinnn ^]'^■ill<^.) (Jray or lirown. seeds single or 



double. In flax onl.v. 

 tw. Clover Dodder (Ctiacuin Epifli iiiinnii Miirr.) Gray or brown, dull, pitted, 



neai'ly s|ilH'i'ical, niiiuile. In Eurni)ean alfalfa and clovers. 

 X. Small-seeded Alfalfa Dodder (Gu.scula iihniiflora Tcnorc.) Yellow green, 



or purple, oblong, roughened. Only in Western U. S. alfalfa. 



*A(/r!rult iii'ul seed. 

 ^I'lthnrful seed. 



