ORTON: north AMERICAN SPECIES OF ALLODUS I9I 



Eatonii C. & R., L. muUifida Nutt. {Ferula muUifida A. Gray). 

 L. purpurea (S. Wats.) C. & R. {Ferula purpurea S. Wats.), 

 Musineon divaricatum (Pursh) C.,& R., M. Hookeri (T. & G.) 

 Nutt. {M. trachyspermum Nutt.), Phellopterus montanus Nutt. 

 {Cymopterus montanus T. & G.), Pteryxia calcarea (Jones) 

 C. & R., and P. terebinthina (Hook.) C. & R. {Cymopterus 

 terebinthinus T. & G.). 



Type locality: Utah, on Ferula muUifida and Peucedanum 

 simplex {Jones, May and June). 



Distribution: Alberta to California and east to Kansas and 

 Nebraska. 



Exsiccati: Carleton, Ured. Am. j; Ell. & Ev. N. Am. Fungi 

 1448, 1856, 3581; Ell. & Ev. Fungi Columb. 1298, 1460, 1966, 

 1967, 2063; Barth. Fungi Columb. 3846; Sydow, Ured. 824, 

 1929, 1930; Clements, Crypt. Form. Colo. 367; Garrett, Fungi 

 Utah. 5, 6, 7, 8; Barth. N. Am. Ured. 1055, 1056, 1146, 1236, 1556. 

 Note. — This species shows a wide variation in surface markings 



of teliospores on different hosts. On Musineon divaricatum great 



variation in this character is noticed on spores from one sorus. 



18. AUodus Erigeniae sp. nov. 



Aecia amphigenous, caulicolous, gregarious, or scattered, cupu- 

 late or short-cylindrical, 0.2-0.4 mm. in diameter; peridium color- 

 less, margin incurved; peridial cells rhomboidal in longitudinal 

 section, 21-23 by 29-45 m, the outer wall finely striate, 5-7 /x 

 thick, the inner wall evenly and prominently lacerate-verrucose, 

 5-7 /x thick; aeciospores 16-21 by 19-26 m; wall 1-1.5 M thick, 

 finely verrucose. 



Telia chiefly hypophyllous, caulicolous, scattered, roundish to 

 oval, 0.3-1 mm. long, rather early naked, ruptured epidermis 

 conspicuous, pulverulent, dark cinnamon-brown; teliospores 

 broadly ellipsoid to oblong, 20-24 by 24-40 ix, slightly constricted 

 at septum; wall cinnamon-brown, uniformly 1.5-2 ix thick,_ finely 

 and inconspicuously verrucose; pedicel colorless, short, fragile. 



On Ammiaceae: 



Erigenia bulbosa (Michx.) Nutt. 

 Type locality: London, Ontario, on Erigenia bulbosa {Dearness, 



May 1892). 

 Distribution: Ontario to Ohio. 

 Exsiccati: Ellis, N. Am. Fungi 1040 b. 



