Uredinacese, Puccinia. '705 



Hdb. in foliis Boutelouae curtipendul ;i', Denton Texas 

 (W. H. Long) et Boutelouae sp., Iguala Mexici. — Subaffinis 

 Pucc. Bartholomcei sed probe distincta. 



299. Puccinia exasperans Holw., Ann. Mycol. III (1905) p. 21. — 2687 

 Soris amphigenis, punctiformibus, e rotundato ellipsoideis, nudis, 

 pulveraceis; uredosoris non visis; uredosporis teleutosporis inter- 

 niixtis, flavido-brunneis, globosis, tenuiter tunicatis, breviter echinu- 

 latis, 18-24 [j.. diam.; poris germinativis indistinctis. sparsis (?8); 

 teleutosoris nigris; teleutosporis cinnamomeo-brunneis, levibus, e 

 globoso ellipsoideis, nonnullis septo verticali prreditis. apice le- 

 niter incrassatis, 24-28 * 16-24, pedicello hyalino usque ad 120 \i. 

 longo. 



Hah. in foliis Bouteloure (-^theropogon) curtipendula? 

 et Bout. Pringlei, Cuernavaca et Iguala Mexici (Pringle). 



300. Puccinia Elymi-sibirici S. Ito, Journ. Coll. Agric. Tohoku Im- 2688 

 per. Univ. III (1909) n. 2, p. 202, tab. XI, fig. 1. — Uredosoris 

 amphigenis plerumque epiphyllis minutis oblongis sparsis v. gre- 

 gariis, interdum seriatis, nudis, pulverulentis, atro-aurantiacis ; ure- 

 dosporis globosis, subglobosis v. ovatis, verrucoso-echinulatis, 28- 

 32^20-22, flavido-brunneis, poris germinativis 4; paraphysibus 

 nuUis; teleutosoris hypophyllis, minutis oblongis, dense sparsis, diu 

 epidermide tectis, nigricantibus ; teleutosporis cuneatis cylindraceis 



V. clavatis, apice truncatis et oblique acutatis v. rotundatis incras- 

 satis (6-10 [X.), basi tenuatis, ad septum non v. vix constrictis, 

 levibus, ferrugineis, 36-70*18-22; pedicellis brevibus brunneis 

 subdeciduis; paraphysibus brunneis, constipatis. 



Hah. in foliis Elymi sibriciin Japonia. — A ceteris spe- 

 ciebus elymicolis satis distincta. 



301. Puccinia DiarrhenaB Miyabe et Ito, Journ. Coll. Agric. Tohoku 2689 

 Imper. Univ. III (1909) n. 2, p. 190, tab. X, fig. 6. — Teleu- 

 tosoris epiphyllis, minutis v. mediocribus, oblongis v. rotundatis, 

 sparsis v. gregariis, quandoque confluentibus, epidermide laxa te- 

 ctis, dein ea lacerata cinctis, subpulvinatis, compactis, nigro-fuligi- 

 neis; uredosporis s;epe immixtis obovatis, subglobosis v globosis, 

 verrucoso-echinulatis, pallide flavo-brunneolis v. hyalinis, 20-26,5 ^ 

 16-23,5 episporio tenui (1-2 jx.); teleutosporis oblongo-clavatis, el- 

 lipsoideis vel fusiformibus, apice incrassatulis ibique processibus 

 corniformibus vel subverruciformibus ornatis (corniculis 6-17 [x. 

 long.), basi plerumque attenuatis, non v. vix ad septum constri- 

 ctis, levibus, apice ferrugineis deorsum pallidioribus, 25-52 =:= 10- 



Syll. fumj. XXI (1-1912) 45 



