Long, Charles R., 1964
Page 1
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Transcription
Preliminary Key to the Vascular Plants of the Pacific Ocean Biological Survey Program Area Keys and Descriptions of Vascular Plants divided into 5 categories: la-lf. Herbaceous plants with parallel leaf venation, leaves basal with no leafy stem apparent............................................1a. Herbaceous and woody plants with other than parallel venation, leaves basal or more commonly borne along a stem......................lb. Vines - commonly with leaves borne along a stem or leafless...lc. Herbaceous plants with other than parallel venation, leaves basal or more commonly borne along a stem, very small flowers (florets) compressed into a tight head or cluster........................ld. Plant palmlke or pinelike......................................le. Ferns (or leafless plants with three angled stems)............lf. la A. Plants with basal rosette of leaves, flowers on spike-like inflores- ce, petals 4...........................................Plantaginaceae Plantago (1). AA. Plants with basal clusters of leaves, florets on spike-like inflor- escence, a grass like appearance.........................B. B. Plants with round, hollow stems.................Gramineae (2-16)