fD'> Uredinacese, Didymosporee, Puccinia. 



Maculis nullis; acervulis epidermide semper tectis. Lmearibus, du- 



ris, fuscis; soris depressis. subsclorotiaceis, ssepe confluentibus 0,4- 

 1.2-5 mm. long. 0,4-0,5 mm. lat., extus fuscis, intus atris; teleu- 

 tosporis e clavulato bacillaribus, pallide ferrugineis, 40-50 « 11-18, 

 loculo supero ovato v. subcuboideo, 15-20^10-18, subdenticulato 

 crasseque tunicato, infero elongato cuneato, 25-30 » 11-15, pedicelio 

 persistente 10-15*6-8 subhyalino ornatis. 



Ifab. ad folia Triticorum cultorum. prope S. Juan in Ar- 

 gentina. — Species habitu externo P. coronatm Corda et Pucc. 

 Brachypodii Otth simillima, sed notis internis longo recedens. 



331. Puccinia triticina Erikss. in Ann. Sc. Nat. 1899, p. 270, Syd. 1259 

 Monogr. Uredin. I, p. 710, Uredo triticina Erikss. 1. c. — Soris 

 urodosporiferis amphigenis, plerumque epiphyllis, sparsis, oblongis, 

 mediocribus, ferrugineis; uredosporis globosis v. subglobosis, echi- 

 nulatis, flavis, 20-27 jj.. diam.; soris teleutosporiteris hypophyllis 



v. culmicolis, sparsis, in culmo ssepe seriatim dispositis, oblongis, 

 epidermide tectis, atris; teleutosporis oblongo-clavatis v. clavatis. 

 apice rotundatis, siope obtuse et oblique angustatis, vix v. parum 

 incrassatis, medio leniter constrictis, basi attenuatis, levibus. brun- 

 neis, 30-45 « 12-20; pedicello brevi; paraphysibus brunneolis nu- 

 merosis. 



Hab. in foliis culmisque Tritici compacti, dicocci, Spel- 

 tae, vulgaris in tota Europa et Amer. bor. 



332. Puccinia Triseti Erikss. in Ann. Sc. Nat. 1899, p. 277. Syd. im 

 Monogr. Ured. I, p. 710, Uredo Triseti Erikss. — Soris uredo- 

 sporiferis amphigenis, plerumque epiphyllis, sparsis, minutis, pun- 

 ctiformibus, flavo-brunneolis v. flavidis; uredosporis globosis vel 

 subglobosis, echinulatis. flavis, 18-29 u-. diam.; soris teleutospori- 

 feris hypophyllis, rarius evolutis, minutis, punctiformibus, epider- 

 mide tectis, atris; teleutosporis oblongo-clavatis v. clavatis, apice 

 rotundatis vel obtuse et oblique angustatis, leniter incrassatis, me- 



dio plerumque leniter constrictis, basi s;opius attenuatis, levibus, 

 brunneis, 32-48 « 16-23; pedicello brevi; paraphysibus brunneolis. 

 Hab. in foliis Triseti flavescentis in Germania, Italia. 

 Grallia et Suecia. 



333. Puccinia tosta Arthur in Bull. of the Torr. Bot. Club 1902, 126] 

 pag. 228. — Soris uredosporiferis amphigenis, minutis, brunneo- 

 luteis, cito nudis; uredosporis globosis 20-30 \i. diam. ; episporio 

 brunneo-luteolo, exili 1,5 u.. crasso, dense minuteque tuberculatis, 

 poris 6 vel pluribus, sparsis; soris teleutosporiferis amphigenis, 



