[2] The grasses are so numerous, and the describing of them in such manner as to be understood by an inexperienced person would be attended with so much difficulty, that it has been considered more advantageous to the reader, to admit, in this place, only some of the most important kinds; and merely to speak of their uses, referring to the figures for their further illustration. [3] This grass has only two stamens, and consequently belongs to the class Diandria, but it is placed here for the sake of general uniformity. [4] Several other trees besides this produce the red kind of resin called Dragon's Blood.