Article: Deadly ricin sows `seeds' of suspicion with popular castor bean.

Byline: Christine Clarridge and Levi Long

SEATTLE _ The castor bean plant is prized by gardeners, landscapers and botanists for its beautiful, lush leaves and rapid growth habit. Scores of garden companies offer the seeds for sale in catalogs and on the Internet.

But it's also the source of one of the deadliest toxins known to man _ ricin. And since the Sept. 11 terrorist attacks and subsequent attention to biological and chemical toxins, some of those companies have begun paying attention to who buys the seeds and in what quantities.

"We would definitely pay attention if someone we don't know tries to buy a large amount," said one employee of ...

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