732 Uredinacerp, Pucciniastrnm. 



16-20; tunica pallirle cinnamomeo-brunnea, 2-3 u.., supra crassiore 

 5-8 a. 



//a&. in foliis caulibusque Senecionis Dauglasii, in mon- 

 tibus San Bernardino, California (S. B. Parish). 



2. Baeodromus Holwayi Arthur, Ann. Mycol. (1905) p. 19, f. 1; North -2779 

 Amer. Fl. VII (I907j p. 125. — Pycnidiis epiphyllis in parvos gre- 



ges dispositis et teleutosoris contrapositis, punctiformibus, flavo-au- 

 ratis, dein brunneis, immersis, subepidermicis, globosis, 100-140 [j.. 

 diam.; setulis ostiolaribus 30 a. long., agglutinatis; sporulis ob- 

 longis, 4-5 'j.. circ. cr. ; teleutosoris hypophyllis, dense confertis 

 et circulariter dispositis, 3-5 mm. diam., flavo-brunneis dein ca- 

 staneo-brunneis, centrifuge evolutis ; teleutosporis arcte congestis, 

 5-8-catenulatis, levibus, breviter cylindraceis v. oblongis, 30-42 « 

 16-20, tunica flavo-brunnea, 1,5-2,5 a. cr. 



Hah. in foHis Senecionis cinerar ioid i s, Nevada de Tc- 

 luca 3200 m. alt. Mexico E. W. D. Holway). 



3. Baeodromus Eupatorij fArthun Arthur, North Amer. Fl. VII 2780 

 (1907 1 pag. 125, Dietelia Eupatorii Arthur, Bot. Gaz. 40 (l905i 



p. 197. — Pycnidiis amphigenis. numerosis, in parvos greges con- 

 fertis, punctiformibus, flavo-auratis, subconspicuis, immersis, sub- 

 epidermicis, subpiriformibus, 100-150 [x. latis; periphysibus 20-35 

 [j.. long. ; teleutosoris hypophyllis et cauUcolis, in greges orbicu- 

 lares confertis, 1-2,5 mm. diam., Sccpe circum pycnidia dispositis, 

 in caulibus hypertrophias 1 cm. long., efficientibus, in maculis 

 decoloratis insidentibus, parvis, 0,2-0,3 mm. latis, rotundatis, sub- 

 ceraceis; teleutosporis late ellipsoideis, plus minusve angulosis et 

 mutua pressione irregularibus, 24-36*20-25; tunica aureo-brun- 

 nea, levi, 1,5-2 [j.. cr. 



Hab. in foHis caulibusque Eupatorii pazcuarensis, in 

 Mexico. 



PUCCINIASTRUM Otth — Syll. VII p. 762, IX p. 318, XIV p. 363, 

 XVI p. 319. 



1. Pucciniastrum Celastri Syd, Aun. Mycol. V (1907) pag. 503. — 27S1 

 Uredosoris hypophylhs, macuHs orbicularibus fuscis 2-4 mm. diam. 

 insidentibus, plerumque paucis aggregatis, minutis, pseudoperidiis 

 hemisphaerice inclusis; uredosporis globosis, subglobosis vel elli- 

 psoideis, verruculosis, subhyalinis, 20-25 * 16-22; teleutosporis non- 

 dum visis. 



