30. Pix canadensis.—Canada Pitch or Hemlock Pitch.
30. PIX CANADENSIS.—CANADA PITCH OR HEMLOCK PITCH. An oleoresin obtained from the North American hemlock spruce, A'bies canaden'sis Carriere. Resembles Pix Burgundica (31) in appearance, properties, and uses; it is somewhat darker red-brown in color and is much more fusible; odor weak, peculiar; taste very feeble. Rosin is a common adulteration.
A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.