ReBeard Structure

The talk re tectorum x TB crosses has remindeed me of a query I had but never asked.

Does anyone have information of the cell structure of beards or crests?

Bearhttp://ncmail.netscape.com/compose.adp
Sendded iris can have papillae of various heights on top of falls but not elsewhere and beard hairs may even be an extreme expression of this. The petals have three cell layers and top and bottom epidermis are very thin and join at edge , sandwiching a thick mesophyll layer. Epidermis layers are 90% vacuole. the mesophyll layer is mostly plastids with comparitively small vacuoles.

So what is the structure of the beards? I havn't run accross any info.

Chuck Chapman 

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