Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: GLOSSARY. Abortive. Imperfectly developed; defective. Acaulescent. Stemless, or with the stem subterranean. Achene. A small dry one-seeded one-celled indehiscent fruit. Acuminate. Tapering at the end; long-acute. Acute. Terminating sharply in an angle of less than 90 degrees. Adherent. Joined to some other organ but structurally distinct from it. Adnate. Attached by one side or by its surface to a different organ or part. Adventive. Imperfectly naturalized. Aerial. Referring to above-ground organs or parts, as contrasted with those below ground. Aggregate. Said of polymorphous
species or groups of individuals not well under- stood and suspected of including several distinct species or subspecies. Alternate. Not opposite; arising singly at different heights. Ament. A catkin or spike with flexible axis, usually scaly. Anastomosing. Connecting by branches or cross veins, forming a network. Annual. Maturing from seed germinated within the year; of one year’s duration only. Anther. The pollen-bearing part of the stamen. Anthesis. The time of opening of a flower. Antrorse. Directed upward. Apetalout.. Lacking petals. Appressed. Lying closely against another organ or part. Approximate. Situated close together, but not united. Arcuate. Bowlike; lightly curved. Aristate. Awned or bristle-tipped. Articulate. Jointed. Ascending. Directed obliquely upward, or curving upward. Attenuate. Long-tapering, becoming slender or very narrow. Auricled. Having earlike appendages or basal lobes. Awl-shaped. Attenuate from the base to a slender or rigid point; subulate. Awn. A bristle-like organ or appendage; in grasses, the continuation of the nerves of the bracts of the spikelet, sometimes stout and variously twisted, rarely trifid. Aril. The angle …