176 



CHENOPODIACE^E. 



clustered in close spikes, the panicle strict and close or somewhat 

 spreading; calyx about f line wide in fruit, the lobes strongly 

 earinate. 



A very common European weed in half cultivated lands, flowering 

 in late summer and early autumn. 



2. C. murale L. Nettle-leaved Goosefoot. Kather stout 

 and succulent, the loose branches decumbent and ascending, 8 to 15 

 in. long; herbage dark green, the growing parts very finely mealy; 

 leaves rhombic-ovate, irregularly and sharply toothed above the 

 base, 1 to If in. long; flowers in rather dense axillary or terminal 

 spicate panicles; panicles leafless, or nearly so; fruiting calyx closed; 

 seed acutely margined. 



Naturalized from Europe; a common weed in old yards and waste 

 places, flowering through the winter. 



3. C. Botrys L. Jerusalem Oak. Glandular pubescent and 

 viscid throughout; leaves slender-petioled, ovate to oblong, £ to 

 in. long, obtuse, truncate or cuneate at base, sinuately pinnatifid and 

 the lobes usually toothed; spikes cymose, diverging, loose, leafless; 

 perianth not completely enclosing the fruit. 



Waste places near dwellings and in stream beds; naturalized from 

 Europe and widely distributed but not common. Stockton; Vaca- 

 ville; "Winters; Kelseyville; Kussian Eiver; Coyote Creek, between 

 San Jose and Gilroy. July-Sept. 



4. C. ambrosioides L. Mexican Tea. Glabrous, scarcely 

 glandular; when young sometimes tomentose-pubescent; 2 to 3£ ft. 

 high, usually stout and branched; leaves slightly petioled, oblong or 

 lanceolate, 2 to 5 in. long, repand-toothed or nearly entire, the upper 

 tapering to both ends; flowers in dense, axillary clusters upon the 

 branches, forming a leafy spike; calyx-lobes obtuse, appressed; styles 

 3, sometimes 4; pericarp deciduous. 



Common near salt marshes and abundant along interior streams; 

 mostly autumnal. Alameda; West Berkeley; Boss Valley; Napa 

 Eiver; Suisun Marshes; Sacramento Eiver. 



5. C. anthelminticum L. Wormseed. Eesembling the pre- 

 ceding; sometimes perennial (?); herbage light green, glandular- 

 puberulent and highly aromatic; leaves sinuate-serrate or the lower 

 sometimes laciniate-pinnatifid, 2£ or mostly 1 in. long, or less; inflo- 

 rescence a terminal mostly leafless panicle of dense but elongated 

 slender spikes; sepals not earinate, enclosing the fruit; seed smooth 

 and shining, obtusely margined. 



Not so "common as the last, but appearing to hybridize with it. 

 Alameda; Benicia; Lower Sacramento; Lake Co. 



6. C. rubrum L. Coast Blite. Stem angled, erect, 1 to 2 ft. 

 high; herbage green or nearly so; leaves lanceolate-oblong to broadly 

 ovate, coarsely sinuate, 1 to 2 in. long; flowers numerous in dense 

 short axillary spikes; calyx-lobes 2 to 4, rather fleshy; stamens 1 to 2; 

 seeds shining, the margin acute. 



Sparingly naturalized from Europe. Andrus Island, Lower 

 Sacramento; Alvarado Marshes. Sept. 



