"Siliques. 1. Of Cardamine bulbosa. 2. Of Raphanus Raphanistrum. 3. Of Heliophila crithmifolia." -Whitney, 1911

Siliques

"Siliques. 1. Of Cardamine bulbosa. 2. Of Raphanus Raphanistrum. 3. Of Heliophila crithmifolia." -Whitney,…

"Canadian St.-John's-wort (Hypericum Canadense). a, leaf; b, seed-capsule." -Whitney, 1911

Canadian St. John's Wort

"Canadian St.-John's-wort (Hypericum Canadense). a, leaf; b, seed-capsule." -Whitney, 1911

"Marsh St.-John's-wort (Triadenum Virginicum). a, flower; b, seed-capsule." -Whitney, 1911

Marsh St. John's Wort

"Marsh St.-John's-wort (Triadenum Virginicum). a, flower; b, seed-capsule." -Whitney, 1911