SALTBUSII FAMILY 431 



mealy; leaves rhombic-ovate, sirmate-deiitate below or about the middle, the 

 upporniost varying to lanceolate and subentire, 1 to 2 inches long, whiter 

 beneath than above; flowers densely clustered in close spikes, tlie panicle 

 strict and close or somewhat spreading; calyx about % line wide in fruit, the 

 lobes strongly earinate. 



Common European weed in half-cviltivated lands. July-Oct. Also called 

 Lambs Quarters ; the herbage makes excellent boiled greens when taken 

 young. Var. viride Moq. Leaves bright green on both sides or only slightly 

 mealy beneath ; inflorescence less dense. — Widely distributed but not as com- 

 mon as the species. 



Refs. — C'HENOPomuM album L. Sp. PI. 219 (1753), type European; Jepson, Fl. W. Mid. 

 Cal. 175 (1901). Var. viride Moq. in DC. Prodr. 13=: 71 (1849). 



C. VULVARIA L. Sp. PI. 220 (1753). Diffuse, mealy, very ill-scented; leaves deltoid-ovate, 

 entire; sepals not earinate. — European weed; Sacramento ace. Greene, Fl. Fr. 165. 



C. GLAUCUM L. Sp. PI. 220 (1753). Prostrate or spreading, glaucous-mealy; leaves oblong, 

 rather coarsely 3 or 4-tootlied on each side, 5 to 10 lines long, white below, green above; 

 flower-clusters in leafless axillary spikes. — European weed, widely naturalized in U. S. ; Suisun 

 Marshes ace. Greene, Fl. Fr. 167. 



2. C. murale L. Nettle-leap Goosepoot. Rather stout and succulent, 

 the loose branches decumbent and ascending, 8 to 15 inches long; herbage 

 dark green, the growing parts very finely mealy; leaves rhombic-ovate, ir- 

 regularly and sharply toothed above the base, 1 to 1% inches long; flowers 

 in rather dense axillary or terminal spicate panicles ; panicles leafless, or nearly 

 so, often very small ; fruiting calyx closed ; achene acutely margined. 



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

 flowering through the winter. 



Refs. — Chenopodium murale L. Sp. PI. 219 (1753), type European. 



3. C. fremontii Wats. Erect, slender, branching, i/o to 2 feet high ; white- 

 mealy to light green; leaves triangular-hastate, mostly entire, truncate or 

 broadly cuneate at base, 5 to 7 lines long, on slender petioles half to as long, 

 the lowest 1 to 2 inches long, the upper narrower and reduced ; flower-clusters 

 in slender spikes of the open panicle; sepals strongly earinate, nearly enclos- 

 ing the achene. 



Panamint Mts. ace. Coville; east to the Rocky Mts. and north to Oregon. 



Refs. — Chenopodium fremontii Wats. Bot. King, 287 (1871), type loc. North Platte 

 River, Fremont; Gov. Contrib. U. S. Nat. Herb. 4: 179 (1893), 5: 95 (1897). 



C. LEPTOPHYLLUM Nutt. ; Moq. in DC. Prodr. 13-': 71 (1849). Near C. fremontii; densely 

 mealy or the leaves becoming green above; leaves linear, entire, acute, % to 1% inches long. — 

 Great Basin ; to be expected on our eastern border ; Lang, Los Angeles Co. ace. Parish, Bot. 

 Gaz. 38: 460, but not reported since and perhaps an ephemeral introduction. 



4. C. botrys L. Jerusalem Oak. Erect, often widely branching, i/. to 

 2 feet higli, glandular pubescent and viscid throughout ; leaves slender- 

 petioled, ovate to oblong, % to 1^/4 inches long, obtuse, truncate or cuneate at 

 base, sinuately pinnatifid and the lobes usually toothed ; spikes cymose, diverg- 

 ing, leafless; calyx not completely enclosing the achene. 



Waste places near dwellings and in flood stream beds; naturalized from 

 Europe and widely distributed but not common. July-Sept. 

 Ref. — CnE.\o!'Oi>irM botrys L. Sp. PI. 219 (1753), type European. 



5. C. ambrosioides L. Mexican Tea. Erect, 2 to 3Y_> feet high, usually 

 stout and branched ; herbage glabrous, scarcely glandular, when young some- 

 times tomentose-pubescent; leaves slightly petioled, oblong or lanceolate, 2 

 to 5 inches long, repand-toothcd 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, slightly earinate, completely enclosing 

 th(> achene; styles 3, sometimes 4; pericarj) deciduous; seed smooth and shin- 

 ing, reddish, obtusely margined. 



