How to Know the Wild Flowers

The book that taught America botany by color: find your flower under White, Yellow, Pink or Blue, and read its name, its haunts and its folklore — the first field guide organized the way people actually look.

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Yellow Thistle

Cnicus horridulus. Composite Family.

Stem.--Stout; one to three feet high. Leaves.--Partly clasping; deeply cut; the toothed and cut lobes spiny with yellowish prickles. Flower-heads.--Pale yellow or purple; composed entirely of tubular flowers; surrounded by leaf-like, prickly bracts.

In sandy fields near the coast the yellow thistle blossoms during the later summer.

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