Part 1, 1906] USTlIyAGINACEAE 41 



Distribution : California and Arizona. 



r^ ^VJt^^r^'^n^^/? =o^"iV ^''l^'^y ^^"^ 29 : 295, /. ^ ; E. & P. Nat. Pfl. P** : 13, /. 8, C, D ; Bot. 

 Oaz. 19 : pi. 29, f. 5-8; Flora 83 : pi. 3,f, 14. . y » . ^ 



ExsiCCATi : Griff. West Am. Fungi J99. 



2. Thecaphora Trailii Cooke, Grevillea 11 : 155. 1883. 



Thecaphora Cirsii Eoud. Bull. Soc. Myc. Fr. 3 : 149. 1887. (Type from France, on Cirsium 

 anghcum . ) 



Schizonella subtrijida EUis & Ev. (N. Am. Fungi 2266 ; hyponym. 1889) Jour. Myc. 6 : 119. 1891. 



(Type from Colorado, on Cirsium ochrocentrum.) 

 Poikilosporium Trailii Vesterg. Micr. Rar. Sel. 452. 1902. 



Sori apparently rather indefinite in the flower-heads causing more or less abortion and 

 distortion, at maturity shedding out reddish or purplish -brown dusty spore-mass; spore- 

 balls chiefly subspherical, composed of 2-4 or rarely 5 or 6 spores, very often separating at 

 maturity, about 20-30^ in diameter ; spores reddish-brown, usually hemispherical or three- 

 sided or occasionally even more irregular, with contiguous sides fiat and smooth, the free 

 surface rounded and provided with more or less evident reticulations that show at circum- 

 ference as rather prominent verruculations, chiefly 12-18 // in length. 



On Carduaceae : 



Carduus leiocephalus/' Uta.'h.^ , 



Carduus ochrocenlrus (emeus ochrocenirus) , Colorado. 

 Type locality : Scotland, on Carduus heterophyllus. 

 Distribution : Utah and Colorado ; also in Europe. 

 Illustration: Bull. Soc. Myc. Fr. 3: pi. 15, f. 1. 

 Exsiccati : Ellis & Ev. N. Am. Fungi 2266. 



3. Thecaphora californica (Hark.) Clinton, Jour. Myc. 8 : 146. 1902. 



Sorosporium californicum Hark. Bull. Calif. Acad. Sci. 1 : 161. 1885. 



Sori rather indefinite in the fiower-heads, more or less destroying the fiorets ; spore-, 

 balls rather firm, chiefly subspherical, composed of 7-20 spores, 22-38/^ in diameter ; spores 

 light yellowish-brown, chiefly triangular to polygonal or subcircular in cross-section, with 

 contiguous sides flat and smooth and' free surfaces rounded and prominently verruculose, 

 chiefly 11-17 /^ in length. 



On Carduaceae : 



Grindelia robusta, California. 

 Type locality : Antioch, California, on Grindelia robusta. 

 Distribution : California. 

 Exsiccati : Ellis & Ev. N. Am. Fungi 1495; Rab.-Wint. Fungi Eur. 3504. 



F 



4. Thecaphora cuneata (Schof.) Clinton, Jour. Myc. 8: 146. 1902. 



Sorosporium cuneaium Schof. Contr. Bot. Dep. Univ. Neb. 3 : 48. 1892. 



Sorosporium Solidaginis Ellis & Ev. Proc. Acad. Nat. Sci. Phila. 1893 : 156. 1893. (Type from 

 Kansas, on Soltdago missouriensis .") 



Sori rather indefinite in the flower-heads causing more or less abortion and distortion ; 

 spore-balls ovoid to subspherical, rather firm, composed of numerous (chiefly 40-75) spores, 

 40-80 /i in length; spores reddish-brown, in cross-section usually wedge-shaped, with outer 

 free surface rounded and prominently verruculose, chiefly 14-22 ^ in length. 



On Carduaceae : 



Grindelia squarrosa, Kansas, Nebraska. 



Solidago missouriensis , Kansas. 

 Type locality : Ivincoln, Nebraska, on Grindelia squarrosa. 

 Distribution : Kansas and Nebraska. 



Illustration : Trans. Acad. Sci. St. I,ouis 7 : pi. 27, f. 4, 5. 

 Exsiccati : Ellis & Ev. N. Am. Fungi J5i55; ElUs & Ev. Fungi Columb. 1282. 



m 



5. Thecaphora deformans Dur. & Mont.; Tul. Ann. Sci. Nat. III. 7: 



110. 1847. 



Thecaphora La Ihyri Kuhn; Rah. Tunginnr: 1797. 1874. 



Thecaphora affintsV^. G. Schneid. (Jahresb. Schles. Ges. 52 : 90 ; name. 1875); Fisch. de Waldh. 



Apercu Syst. Ust. 36. 1877. (Type from Silesia, on Astragalus Glycyphyllos.) 

 Sorosporium Desmodii Peck, Bot. Gaz. 3: Zh. 1878. (Type from New Jersey, on Desmodium 



Sorosporium Astragali Peck, Bot. Gaz. 4 : 218. 1879. (Type from Colorado, on Astragalus 



Thecaphora Astragali Woronin ; Farl. & Seym. Host Index N. Am. Fungi 25. 1888. 

 Thecaphora Desmodii Woronin ; Farl. & Seym. Host Index N. Am. Fungi 26. 1888. 



