FLOWERING PLANTS AND FERNS OF ARIZONA 649 



ments filiform, glaucous; peduncles axillary and terminal, exceeding 

 the leaves; umbels compound; involucre and involucel none; calyx 

 teeth obsolete; corolla yellow; stylopodium conic; fruit oblong, 3.5 to 

 4 mm. long, laterally compressed, the ribs slender, acute, the oil tubes 

 solitary in the intervals, 2 on the commissure, the seed face slightly 

 concave. 



1. Foeniculum vulgare Hill, Brit. Herbal 413. 1756. 



Mule Mountains, Cochise County (Harrison and Kearney 8284). 

 Waste ground in various parts of North America, a common weed in 

 coastal California; naturalized from Europe. 



17. ANETHUM. Dill 



Plants annual or biennial from slender subfusiform roots, caulescent, 

 branching, glabrous, with a strong odor of anise; leaves quadripinnati- 

 sect, the segments filiform, distinct; peduncles axillary and terminal, 

 exceeding the leaves; umbels compound; involucre and involucel 

 mostly absent; calyx teeth obsolete; corolla yellow; stylopodium 

 conic, the margin crenulate; fruit ovate, about 4 mm. long, compressed 

 dorsally, the lateral wings much narrower than the body of the fruit, 

 the dorsal wings obsolete, the oil tubes solitary in the intervals, 2 on 

 the commissure, the seed face plane. 



1. Anethum graveolens L., Sp. PL 263. 1753. 



Ditch bank at Sacaton, Pinal County (King 1832), only 1 plant 

 seen. The species is found wild sparingly in North America; intro- 

 duced from Europe. 



18. LIGUSTICUM. Lovage, chuchupate 



Plants perennial, caulescent, glabrous or puberulent; leaves once or 

 twice ternate, then once or twice pinnate, the leaflets mostly distinct, 

 ovate, more or less incised; peduncles axillary or often verticillate, 

 exceeding the leaves; umbels compound; involucre absent or occa- 

 sionally of a solitary, deciduous, linear bract; involucel wanting, or of 

 several linear bractlets; calyx teeth small or wanting; corolla white ; 

 stylopodium depressed-conic; fruit oblong, 5 to 8 mm. long, glabrous, 

 terete, the lateral and dorsal ribs narrowly winged, the oil tubes 4 

 to 6 in the intervals, 8 to 10 on the commissure, the seed face con- 

 cave. 



1. Ligusticum porteri Coult. and Rose, Rev. North Amer. Umbell. 

 86. 1888. 



Mountains of Apache, Coconino, Graham, and Cochise Counties, 

 7,000 to 11,300 feet. Wyoming to Arizona and Chihuahua. 



A palatable forage plant. The aromatic roots, in the drug trade 

 known as coughroot, are used to treat coughs, colds, etc. 



19. OREOXIS 97 



Plants perennial from slender elongate roots, low, acaulescent; 

 leaves oblong, pinnate or bipinnate, the segments short, linear, mostly 

 distinct; peduncles exceeding the leaves; umbels compound; involucre 

 usually absent; involucel of several linear bractlets about equaling 



97 Reference: Mathias, Mildred E. studies in the umbelliferae m— a monograph ok cymop- 



TERUS INCLUDING A CRITICAL STUDY OF RELATED GENERA, Mo. But. luml. Aim. 17: 



213-476, 1930. 



