PENTANDRIA.— DIGYNIA. 131 



5. C. rubrum: leaves rhomboid-triangular, deeply 

 toothed and sinuate ; racemes erect, compound, 

 leafy. 

 HAB. Waste places. July. ®. Stem, reddish ; leav, 

 dark green ; glomendes minute. 

 (3. C. ambrosoides : leaves lanceolate, remotely tooth- 

 ed ; racemes simple, axillary, leafy. 

 HAB. Waste places. Aug. — Oct. ©. Much bran., 

 often diffuse, strong- scented ; leav. small. 

 7. C. Botrys : leaves oblong, sinuate; racemes naked, 

 much divided. 

 HAB. Sandy waste places. Aug. — Sept. ®. One ft, 

 high, sweet-scented, -eiscid-pubes ; fl. distinct. 

 £. C. anthelminticum : perennial; leaves oblong-lance- 

 olate, toothed ; spikes long, interrupted, leafless ; 

 style 3-cleft. 

 HAB. Sandy fields. Sept. ©? Strong-scented, 1| — £ 

 ft. high, often reddish; racem. axilt. and term. 



9. C. glaucum : leaves oblong, repand, glaucous be- 



neath ; spikes simple, naked, glomerate, axillary 

 and terminal. 

 HAB. New-York. ©. Stem diffuse, thick; racemes 

 short, lobed, leafless. 



10. C. maritimum : leaves linear, fleshy, semicylindri- 



cal ; flowers axillary, glomerate. 

 HAB. Salt marshes. Aug. — Sept. ©. Stem tj- -2 ft. 

 high; glomerulcs small ; seed spiral. 



198. SALSOLA. Salt- wort. Chmopodece. 



1. S. Kali: herbaceous, decumbent ; leaves subulate, 

 canaliculate, spinose ; flowers axillary, solitary ; 

 fructiferous calyx with a scarious margin. 



HAB. Sea-coast. Aug. ®. Stem much bran., pubes. t 

 cal. spreading ; leav. subulate. 



i. caroliniana: leaves dilated ; calyx with a broader 

 margin. 



HAB. Sandy fields and waste places, near saltwater. 

 Cal. depress., reddish- 



Tragus : herbaceous, spreading, smooth ; leaves 

 subulate, fleshy, mucronate-spinous ; flowers sub- 

 solitary ; calyx subovatc ; margin flattened, 

 loured. 



H AB, New-Jersey. cVc. July, -f-. 



