GOOSEFOOT FAMILY. 365 



* * Pigweeds, etc. Plant mealy or glabrous, never hairy or aromatic. 



*- Leaves narroic, entire or somewhat sinuate-dentate ; pericarp easily 



separating from the seed. 



C. Boscianum, Moq. From X. Y., W. and S. ; erect, 2°, and slender, 

 nearly glabrous ; leaves oblong or linear-lanceolate, narrowed into a 

 slender petiole ; flowers in small clusters or solitary. (J) 



■•- ••- Leaves broader and (in ours') prominently sinuate or lobed; peri- 



caip persistent. 



*+ ^ Leaves triangular-hastate. 



C, Bonus-Henr)cus., Linn. Good-Kisg-Hexry. Mercury (sometimes 

 degenerated into "Markery"). Cult, in some old gardens as a pot 

 herb, and sparingly escaped ; slightly mealy ; calyx fully inclosing the 

 fruit, the seed vertical; leaves triangular and partly halberd-shaped; 

 flower clusters crowded in an interrupted terminal spike. Eu. 



■M- ■<-* ® Leaves not hastate. 



= Plant erect, mostly tall. 



II Foliage bright green, the leaves thin. 



C. hybridum, I.inn. Mapee-i.eaved P. Waste grounds ; unpleas- 

 antly scented like Stramonium, bright green throughout ; the widely 

 branching stem 2°-4° high ; the thin large leaves triangular and heart- 

 shaped, sinuate and angled, the angles extended into a few taper-pointed 

 coarse teeth ; racemes in loose and leafless panicles ; calyx lobes keeled. 



C. muraie, L. Loosely branched, lower ; leaves rhomboid-ovate and 

 acute, coarsely and sharply unequally toothed ; spikes or racemes diverg- 

 ing ; calyx lobes scarcely keeled. N. Eng., W. and S. Eu, 



II II Foliage more or less white-mealy, particularly beneath, the leaves 



thickish. 



C. urbicum, Linn. Only slightly mealy, erect-branched, l°-3° ; leaves 

 triangular and acute, coarsely and sharply many-toothed; erect spikes 

 crowded in a long narrow panicle ; calyx lobes not keeled. Throughout. 

 Eu. 



C. album, Linn. Common Pigweed, Lamb's-quarters. One of the 

 commonest of weeds, in all cultivated grounds, and variable ; erect, \°- 

 10° ; leaves rhomb-ovate to lanceolate, at least the lower ones angular- 

 toothed ; spikes dense and panicled ; calyx lobes strongly keeled. Eu. 

 (Lessons, Fig. 386.) 



= = Plant spreading, mostly prostrate on the ground. 



C. glaOcum, Linn. A foot or less high, glaucous and mealy ; leaves 

 sinuate-toothed or pinnatifid,' obtuse ; flowers in axillary spiked clusters. 

 Frequent. Eu. 



* * * Aromatic Goosefoots. Minutely glandular or pubescent, aro- 

 matic-scented; not mealy or scurfy ; the seed sometimes vertical. ® (D 



C. Bbtrys, Linn. Jerusalem Oak or Feather Geranium. Gardens 

 and some roadsides ; low, spreading, almost clammy-pubescent, sweet- 

 scented ; leaves sinuate-pinnatifid, slender-petioled ; racemes loosely 

 corymbed. Eu. 



C. ambrosioldes, Linn. Mexican Tea, Wormseed. Wa.ste grounds, 

 especially S.; rather stout, smoothish, strong-scented ; leaves oblong or 

 lanceolate, varying from entire to cut-pinnatifid, nearly sessile ; spikes 

 dense, leafy or leafless. This, especially the more cut-leaved and elon- 

 gated-spiked var. anthelminticum. Gray, is used as a vermifuge, and 

 yields the wormseed oil. Trop. Amer. 



