216 



WEEDS IN THE MEADOW. 



FIG. 97. 



FIG. 98. 



FIG. 96. Stellcvria media, Smith. (Star chickweed.) A seed lying on one of its two flat 

 sides. 1x20. (Sud worth.) 



FIG. 97. Mollugo verticttlata, L. (Carpet- weed.) Two views, a, looking towards one 

 edge ; b, lying on one side. These are much like chickweeds. 1 x 44. (Sudworth.) 



FIG. 98. Pqpaver Rhceas, L. A seed of poppy, 

 troublesome in some places. 1 x 30. (Sudworth.) 



Two or three species are quite 



FIG. 99. 



FIG. 100. 



FIG. 99. Portulaca oUracea, L. (Purselane, " Pusley"): a, seed lying on one side, b, 

 standing on edge showing seed scar. 1 x 12. (Sudworth.) 



FIG, 100. Mdlva rotundifoliti, L. (Common mallow.) This low perennial seeds freely 

 for some months in the year, sending down a long, stout root. 1 x 18. (Sudworth.) 



Erodium ricutarium, L'Her. Alfilaria, Pin-clover, Pin-grass. 

 This plant belongs to the geranium family, and 

 has become quite abundant in California. The 

 plant makes good pasture, but the seeds get 

 into the wool of sheep, and not unfrequently 

 pierce the skin of the animal. The seed of this 

 plant, by the aid of alternating drought and 

 moisture, can penetrate the soil after the man- 

 ner of Stipa spartea previously mentioned. 



FIG. 101. Erodium cicutarium, L'Her. (Alfilaria.) 1x3. (Scribner.) 



Medicago lupulina, L. (Black Medick.) This is a biennial or 

 perennial, and in habit much resembles white clover. The flow- 

 ers are yellow; the plant makes good feed, though there is less 



FIG. 103. Oxytropte Lambertii. (Loco Weed.)-(U. S. Agricultural Report.) 



