As´cus (pl. As´ci) (Gr—a leather bag, bottle, bladder, etc.), microscopic sack-like cells in which spores, generally eight in number, are developed.

Asep´tate (Gr—without, + L.septum, a fence), without partitions or septa, said of hyphæ and spores.

Ash Color (See [Cinereous]).

As´perate, As´perated (asperatus, pp. of asperare, roughen, < asper, rough), having a rough, uneven surface.

As´tichous (astichus, < a + Gr—row), not arranged in rows.

Asto´matous (astomatus, mouthless), without a mouth or aperture; without stomata.

As´tomous (astomus, mouthless), without a stoma or mouth.

At´omate (Gr—an atom), sprinkled with atoms or minute particles.

A´tro (ater, black), in composition “black,” or “dark.”

A´tropurpu´reous (ater, black, + purpura, purple dye, + ous), dark purple.