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.....................la. 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 palmlike 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- cence, petals 4......................Plantaginaceae Plantago (1). AA. Plants with basal clusters of leaves, florets on spike-like inflores- cence, a grass like appearance...............B. B. Plants with round, hollow stems............Gramineae (2-16)