Provides information for teaching a unit on wild plants, including resources to use, plants to learn, safety considerations, list of plants (with scientific name, edible parts, and uses), list of plants that might cause allergic reactions when eaten. Also describes the chickweed, bull thistle, and common mallow. (BC)

Describes an inexpensive and convenient way to solve the problem of maintaining the proper humidity needed in incubation chambers. (JN)

Described is a method of maintaining satisfactory levels of humidity in mobile green houses and environmental chambers, without the use of expensive humidifiers. (Author/EB)

An analysis of five commercial service centers and various data bases is presented. A current awareness profile covering both chemical and botanical fields was sent to each service center. The responses were evaluated on the basis of promptness, interaction with the user, and physical format of the listing, among other things. (Author/NH)

Reports comparison of three models of apparatus designed to collect gas evolved by a photosynthesizing water plant. Problems of design and operation are reported for each model. (AL)

Points out common misconceptions, especially the idea that pollination in flowering plants corresponds to fertilization in animals. Gives history of understanding of plant sexuality, then summarizes modern view. Suggests we teach accurately or not at all. (EB)

Describes a multiple-image sound-and-light show used as a motivating experience for non-science majors in an introductory botany course. (AL)

Lists and describes varieties of plants which survive drying out, cooling down, heating up, and being brushed against and touched too often, such as might occur in any classroom. Also lists some edible plants. (RH)