This is a moderate-sized tree, with a short and pretty thick trunk.  The wood is…

This is a large tree, often having a diameter exceeding four feet, and attaining an…

This is a fetid, narcotic, bushy herb, with a fibrous root, and an erect, branching,…

The scape or stem of this plant is from eight to twelve inches high, springing…

This is a perennial, herbaceous, dull-green plant, armed with small prickles, which emit an acrid…

This pubescent plant has a simple stem, growing from one to two feet high.  The…

 This plant has a shrubby, arborescent stem, spinescent branchs, a very pale gray bark, and…

This biennial plant has a straight, tall, stout, woolly, simple stem.  The leaves are alternate,…

 This perennial plant has stems from two to five feet in height.  The leaves are…

 This marine plant has a cartilaginous, tufted, entangled frond, with branches marked indistinctly with transverse…