Ureclinales, Pucciuiaceae, Pucciuiese, Puccinia. 723 



deiu ea fissa cincti, compacti ; teleutosporae clavatae, ad apicem 

 rotundatae vel conico-acutiusculae, raro truncatae, ad septum plus 

 minusve constrictae, basim versns attenuatae, leves, 40-62 * 17-24, 

 flavo-brunneae, superne obscuriores et valde incrassatae (7-14 [j,, 

 sul)inde etiam usque 18 |jl); pedicello usque 50 ii longo, crasso, co- 

 lorato ; mesosporae paucae plerumque iinmixtae 



Hab. in calamis Scirpi caespitosi, pr. Libau, Kurlan- 

 dia, Germania (A. LuDwiG). — A P. Scirpi DC. phiribas notis 

 diversa. 

 150. Puccinia Rosenii J. C. Artbur, Bull. Torr. Bot. Cl. 45., 1918, 2594 

 p. 144. — Pycnidiis et aecidiis ignotis; uredosoris liy[)opliyllis spar- 

 sis V. seriatis ovatis v. linearibus, 0,5-2 min. long., diu tectis epi- 

 dermide rupta cinctis; uredosporis latere visis 30-35 ^10-12, v. gio- 

 bosis V. late elli[>soideis et 28-35 [x cr., tunica cinnamomeo-brunnea 

 1,5-2,5 {JL cr., modice ecliinulata, poris 2 aequatorialibus praedita ; 

 teleutosoris paucis uredosoris snbconformibus, diu tectis, theobro- 

 mino-brunneis; teleutosporis clavatis v. oblongis 43-67 «- 16-23, apice 

 rotundatis v. truncatis infra plerumque angustatis septo leniter 

 constrictis, tunica apice castaneo-brunnea infra pallidiore, 1-2 [ji 

 a[)ice 5-10 \i cr., levi; pedicello byalino sporam long. subaequante. 

 Rah. in S c Ii o e n o n i g r i c a n t i , Daytona Florida, Amer. 

 bor. (E. A. Hakper). 



157. Puccinia SCleriicola ArtUur, Mycologia, 1915 p. 232. — Uredosoris 2595 

 ampliigenis, sparsis ovalibus v. oblongis, minutis, 0,3-0,6 mm. lon- 



gis, serius nudatis, cinnamomeo-brunneis, subpnlverulentis, epider- 

 mide rupta conspicnis ; uredosporis late ellipsoideis v. obovoideis, 

 19-26 ^ 15-22, merabrana saturate flava, 1,5 ix crassa, tenuiter et luo- 

 dice ecbinulata, ])oris 4 et subinde 3 aequatorialibus ; teleutosoris 

 imprimis bypopliyllis, sparsis, ovalibus v. oblongis, ininntis, 0,3- 

 0,4 mm. long. serius nudatis, nigricanti-brunneis; teleutosporis ob- 

 longis V. clavato-oblongis, 29-42*15-19, ad septum leviter con- 

 stiictis, truncatis, obliquis, saepe apice rotundatis, deorsum sae- 

 pius subteiiuatis ; membraua cinnamomeo-brunnea, 1,5-2 ij. cr., ple- 

 rumque apice crassiore, 3-6 jx, levi ; pedicello colorato brevi. 



Hah. in foliis S c 1 e r i a e sp., Preston's ranch pr. ^aguabo Porto 

 Rico (Stevens). 



158. Puccinia hiascens Artlmr, Bull.Torr. Bot. Cl. 47., 1920, p. 471.— 2596 

 Puccinia aucta Arth. et Holw. in Arthur, Amer. Journ. of Bot. 5., 

 1918, p. 475, non Berk. et Miill. 1872. — Telentosoris hypophyllis, 



iu greges 0,5-2 mm. latos confertis conflueutibusque in macnlis sub- 



