Coi^ORADO AgriculturaIv Corlkge 
7 « 
8. Wormwood, Sage-brush 
{Artemisia L.) 
Acheiies narrowly (‘ylindric-al to oblong in outline, cirenlar in cross- sec- 
tion, 2-ribbe(l or marked with slender grooves as long as the achenes ; apex 
01 - summit rounded, nsiially bearing a disk. 
Fig. 152. Wormwood Sage (Artem- 
isia frigida). x 40. 
- {Chrysanthemum 
Wormwood Sage, I’astuke Sage- 
brush {Artemisia frigida Willd.) 
(Fig. 152). — Seeds Brussels-brown 
in color, circular in cross-section, 
oblong to cylindrical in shape, .5-.7 
mm. long, slightly shiny, obscurely 
wrinkled lengthwise, and usually 
bearing a light colored disk at the 
summit. 
9. Ox-eye Daisy 
{Tourn.) L., Leucanthemum {Town.) Mill.) 
Achenes cylindrical, circular in 
cross-section, 10-ribbed ; pappus 
wanting or reduced to a scaly cup. 
Ox-eye Daisy {Chrysanthemum 
leucanthemum L., Leucanthemum 
leucanthemum, {L.) Rydl).) (Fig. 
153). — Seeds light tvood-brown in 
color, cylindrical in shape, circular 
in cross-section, distinctly 10-rib- 
bed ; ribs w^hite, parallel to each 
other and as long as the seed ; 
seeds 1.5-2 mm. long, .4-.G mm. wide 
at the apex. 
10. May-weed, Dog Fennel, Chamomile 
{Anthonis L., Manila Cass.) 
Achenes nearly cylindrical or oblong in shape, 10-ribbed, marked with 
glandular, rounded projections wiiicli usually occur at the summit of the 
May-weed, Dog Fennel {Anthemis cohila 
Ij., Maruta cotula (/>.) />. C.) (Fig. 154). — 
Seeds (innamon-browm to clay color, 10-rib- 
bed, summit of ridges covered thickly or 
sparingly with glandular, rounded jtrojec- 
tious ; achem^s 1-1.5 mm. long, .5 mm. wi(h‘. 
ridges ; pappus wanting. 
Fig. 154. May- 
weed (Anthemi.s 
cotula). X 15. 
