Mayhew 1948 Plant Catalogue 6. May 14 Corner Grizzly Peak Road + Marlborough Terr., Alameda Co., Calif. 24. Brassica nigra (L.) Koch (Black Mustard) Herb from 3 to 6 feet high; growing in a Thick stand on a south-facing slope in open chaparral; bright yellow flowers; slender stems with petioled leaves; altitude 1100 feet. 25. Erodium cicutarium L'Her. (Red-stem Filaree) Herb from 3 to 10 inches high; reddish stems near the base; corolla light purple; fruit with long beak; found growing along a road cut on the side of a hill (west-facing) along with Medicago apiculata, M. hispida, M. lupulina, Baccharis, Artemisia, Cirsium; fairly large amount of soil; altitude 1100 feet. 26. Sambucus glauca Nutt. (Blue Elderberry) Tree-like bush about 10 feet high, growing through a Baccharis bush on a north-facing slope just below a road cut; other plants near by were Rhus diversiloba, Cirsium, Rubus parviflorus, R. vitifolius; altitude 1100 feet. 27. Medicago apiculata Willd. (Medick) Herb from 6 inches to 2 feet long; 3-lobed leaves; herbage clammy; corolla yellow; pods coiled but unarmed; found along Grizzly Peak Road about 75 yards north of Marlborough Terr. growing with M. hispida, + M. lupulina, as well as Erodium cicutarium, Artemisia and Baccharis; altitude 1100 feet; soil fairly deep, but some- what dry; The three species of Medicago were intermixed so much that it was hard to collect the specimens intact.