stemen_sunburst
A colored-pencil illustration of a "sunburst" succulent is among the drawings on display at the Stinson Beach Library, where students of the Bolinas School of Botanical Art are exhibiting.    Judy Stemen

The students at the Bolinas School of Botanical Art practice exactness in rendering the color, texture and form of natural objects. “I give a real foundation in technique,” said Bolinas resident Molly Brown, who started the school in 2014 with one student and now teaches 30 students four times a week in classes at the firehouse. “It’s not . . .