UredinaceEe, Puccinia. 6^ 



267. Puccinia cinerea Arth., Bull. Torr. Bot. Club XXXIV (1907) 2655 

 p. 583. — Uredosoris hypopliyllis, sparsis, oblongis, parvis, 0,1- 



0,3 mm. lat., 0,5-1,5 mm. long., diu tectis, pulverulentis, flavo- 

 aurantiacis, epidermide rupta cinctis; uredosporis late ellipsoideis, 

 23-29 5^18-23, tunica pallide brunnea, 1,5 [u c. cr., minute et in- 

 conspicue echinulata, poris germinativis 5-6 sparsis; teleutosoris 

 ampliigenis, sparsis, oblongis, parvis 0,1-0,2 mm. lat., 0,5-1 mm. 

 long., diu epidermide tectis, cinereis, stromate tenui circumdatis ; 

 teleutosporis oblongis v. oblongo-clavatis, mutua pressione irregu- 

 laribus, 40-60 ^ 16-21, tunica obscure cinnamomeo-brunnea, 1-1,5 

 [x. cr,, apice crassiore, 3-5 [i., levibus; pedicello brevi, colorato. 



.ffa6. in foliis Pose nevadensis et Poae aridie in Amer. 

 bor. — Pucc. Poarum Nielsen affinis. 



268. Puccinia Poge-trivialis Bubak, Ann. Mycol. III (1905) p. 220. — 2656 

 TJredosoris epiphyllis, sparsis, subrotundis v. oblongis, mox nudis, 

 flavis, pulveraceis; uredosporis e globoso ellipsoideis 20-28 « 17-21, 

 membrana aculeata, contentu aurantiaco; teleutosoris hypophylUs 

 ellipticis v. oblongis subcircinantibus, diu tectis, nigris; teleuto- 

 sporis in greges minutos paraphysibus brunneis circumvallatos di- 

 spositis, clavatis, oblongis v. fusoideis, apice obtusis, deorsum pro 

 more in stipitem sensim tenuatis, medio raro constrictis, 35-38 ^ 

 15-24, membrana levi, brunnea apice saturatiore et ad 4,5-11 [x. 

 incrassata; pedicello brunneolo, brevi, non decidno. 



Hab. in foliis Pooe trivialis, Welwarn Bohemiae. 



269. Puccinia Tripsaci Diet. et Holw., Bot. Gaz. XXIV (1897) p. 27, 2657 

 Syd. Mon. Ured. I, p. 822, fig. 556. — Uredosoris amphigenis, 

 plerumque hypophyllis, maculis flavidis pro more insidentibus, 

 sparsis v. subinde confiuentibus, oblongis v. linearibus, 1-3 mm. 

 long., epidermide diu tectis, dein ea fissa cinctis, cinnamomeis ; 

 uredosporis globosis v. subglobosis, dense aculeatis, brunneis, 30- 



37 « 28-33, episporio crasso, 4 ;x., poris 4 ; teleutosoris conformibus 

 obscure brunneis; teleutosporis elHpsoideis v. oblongo-ellipsoideis, 

 apice plerumque rotundatis, leniter incrassatis uaque ad 6,5 [i., 

 raedio non v. vix constrictis, basi rotundatis, levibus, brunneis, 

 33-41*20-25, episporio crassiusculo ; pedicello brunneolo, persi- 

 stenti, crasso, usquc ad 50 [j.. longo. 



Flab. in foliis vivis Tripsaci dactyloidis, in Mexico. — 

 A Pucc. polysora Underw. facile distinguenda. 



270. Puccinia Pattersoniae Syd., Monogr. Uredin. I, p. 820, fig. 555. 2658 

 Teleutosoris amphigenis v. ssepe vaginicolis, sparsis v. seriatim 



