48 Sierra Club Publications. 



Circaea Pacifica Magnus. Perennial, from rootstocks bearing 

 tubers. Stems slender, branching, smooth, about 6 in. high. 

 Leaves ovate-cordate, or orbicular, thin, sparingly serrulate, 

 y^-xYz in. long, i in. wide; petioles slender, as long or longer. 

 Flowers small in panicles. Corolla white, ts in. or less long. 

 Pods the same length, on deflexed pedicels, slightly longer. 

 Millwood, in shady, moist places. 



LOASACE/E. Blazing Star Family. 



Mentzelia congesta T. & Q. Stems much branched, from an 

 annual or biennial root with white, shining epidermis and a 

 rough pubescence, 1-2 ft. high. Leaves linear-lanceolate, pin- 

 nately lobed or entire, sessile, 1-2 in. long. Flowers clustered at 

 the ends of the branchlets, the leaves broadening and becoming 

 ovate and pointed, forming a kind of an involucre, bracts long- 

 wedge-shaped, 3-toothed at top. Sepals narrowly pointed. Petals 

 scarcely X i^i- long, orange. Pods club-shaped, y% in. long, sur- 

 mounted by the persistent sepals. The internodes between the 

 leaves are often more than 3-4 in. long ; the bracts and involucral 

 leaves are membranous at base. Bubbs Creek trail, on dry hills. 



UMBELLIFER/E. Parsley Family. 



KEY XO XHE GEWPERA. 



Fruit orbicular, covered with hooked prickles ; flowers yellow or 

 purple Sanicula. 



Fruit cylindrical, elongated, bristly ; flowers white. 



Washingtonia, Myrrh. 



Fruit strongly flattened on the back with the ribs winged. 

 Leaves once or twice pinnately compound, flowers white or 

 purple Sphenosciadium. 



Leaves ternately compound, flowers white or greenish. 



Angelica. 



Fruit strongly flattened on the back without ribs but with the 



margins thickened ; leaves ternately compound ; flowers white. 



Leptotaenia. 



Fruit strongly flattened on the sides, the ribs having thin, undu- 

 late wings ; flowers yellow Pteryxia. 



Fruit terete, seed-face involute enclosing a central cavity. 



Drudeophytum. 



Sanicula biplnnata H. & A. Annual, from a tap-root, erect, 

 branching diffusely, >^-i ft. high, nearly smooth. Leaves thin, 

 twice pinnately compound, with the ultimate segments lobed or 



