. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. 30 The seeds of the castor bean are obovoid, flattened somewhat and are irregularly splotched with black or brown, a character- istic appearance of this seed. PART III. CHARACTERISTICS AND IDENTIFICATION OF WEED SEEDS AND MISCELLANEOUS PRODUCTS. CORN COCKLE. {Agroslemma Githago, L.) This seed is very often found and is objectionable on account of the poisonous substance, sapotoxin, which it contains. The seed is roughly kidney shaped (Fig. 22) resembling, as Winton aptly. Figure 22 Fig. 22. Corn Cockle, (
. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. 30 The seeds of the castor bean are obovoid, flattened somewhat and are irregularly splotched with black or brown, a character- istic appearance of this seed. PART III. CHARACTERISTICS AND IDENTIFICATION OF WEED SEEDS AND MISCELLANEOUS PRODUCTS. CORN COCKLE. {Agroslemma Githago, L.) This seed is very often found and is objectionable on account of the poisonous substance, sapotoxin, which it contains. The seed is roughly kidney shaped (Fig. 22) resembling, as Winton aptly. Figure 22 Fig. 22. Corn Cockle, (b) Cross section of epidermal layers and starch masses. puts it, a rolled up caterpiller. In size it measures from 2—4 through its greatest diameter, and in color varies from a deep brownish black to a dead black. The surface of the seed is covered with many sinuous folds which to the naked eye seem arranged in parallel rows, especially along the top of the seed. Under the microscope these rows are seen to be made up of a series of convolutions of the outer epidermis. One glance through. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Massachusetts Agricultural Experiment Station. Amherst, : Massachusetts Agricultural Experiment Station, 1907-1974
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