

FLOWERING PLANTS AND FERNS OF ARIZONA 735 



biennis A. Nels.), having green and glabrate herbage, pinnately parted 



leaves, and the style 2 to 3 times as long as the corolla. 



15. Phacelia heterophylla Pursh, Fl. Amer. Sept. 140. 1814. 

 Apache County to Coconino County, south to Cochise and Pima 



Counties, 4,000 to 9,000 feet, common in rich rather moist soil in 

 coniferous forests, descending lower along streams, April to October. 

 Alberta and British Columbia to New Mexico, Arizona, and Wash- 

 ington. 



16. Phacelia ramosissima Dousl. ax Lehm., Nov. Stirp. Pugill. 2: 



21. 1S30. 



Gila, eastern Maricopa, Pinal and Pima Comities, 2,000 to 4,000 

 feet, among shrubs in canyons, March to May. Washington to Ari- 

 zona and California. 



The Arizona form is probably var. sujjrviescens Parry, although the 

 stems are scarcely woody. 



17. Phacelia cryptantha Greene, Pittonia 5:21. 1902. 



Grand Canyon (Coconino County), and Mohave County to Green- 

 lee (?), eastern Maricopa, and northeastern Pinal Counties, 2,300 to 

 4,300 feet, dry slopes under Que reus turbinella and other shrubs, April 

 to June. Nevada, Arizona, and southeastern California. 



18. Phacelia vallis-mortae J. Voss, South. Calif. Acad. Sci. Bui. 33: 



175. 1935. 



Mohave County, Chloride to Boulder Dam (Kearney and Peebles 

 13171), Portland" Mine to Chloride {Kearney and Peebles 13164), 

 Yucca (Jones 4620), 1,800 to 3,000 feet, among desert shrubbery. 

 April and May. Southern Nevada, northwestern Arizona, and 

 southeastern California. 



In Arizona this species seems to intergrade with P. cryptantha 

 Greene and with P. elistans Benth. 



19. Phacelia distans Benth., Bot. Voy. Sulph. 36. 1S44. 



Mohave County to Graham, Gila, Pinal, Pima, and Yuma Counties. 

 1.000 to 4.000 feet, very common under bushes along washes and in 

 the foothills, March to May. Nevada, Arizona, and California. 



The delicate foliage and bright-blue flowers are attractive. The 

 plants disappear rapidly as the soil dries out. The commoner form 

 in Arizona is var. australis Brand with relatively few and large leaflets 

 or divisions of the leaves; but var. eudistans Brand, with fernlike, 

 bipinnate leaves having numerous small leaflets, is also not infrequent. 

 Specimens with well-exserted stamens collected near Kingman. 

 Mohave County, and near Hope, Yuma County (Kearney and Peebles 

 11142, 10991) are referable to var. ammophila (Greene) Brand. 



20. Phacelia tanacetifolia Benth., Linn. Soc. London Trans. 17: 2S0. 



1837. 

 Specimens representing var. tenuifolia Thurber were collected in a 

 wheatfield near Yuma (L. Swingle in 1916), doubtless introduced 

 from California. 



21. Phacelia integrifolia Ton-., Ann. Lye. N. Y. 2: 222. 1S2S. 

 Apache County to Coconino County. 5,000 to 6.000 feet, May to 



September. Kansas and western Texas to Utah, northern Arizona, 

 and Chihuahua. 



2S6744 — 42 47 



