Limnanthus Douglassii. - Mr. Douglass' Limnanthes. - A native of California, from whence it was sent by Mr. Douglass. The plant is annual, quite hardy, decumbent, stems growing ten or twelve inches long. The ends are crowned with numerous fragrant flowers, each about an inch across, much resembling in size and form the Nemophila grandijlora. A large portion of the flower is a deep yellow, the extremities of the petals being white. It blooms from June to August. Lim-nanthes, from lumen, a lake, and anthos, a flower; the plant, probably, in its native habitats, growing by the sides of lakes, rivers, etc.