Uredinacese, Didymosporre, Puccinia. 273 



sculis, brunneis; uredosporis immixtis subglobosis, ellipsoicieis vel 

 ovatis, echinulatis, flavidis, 22-29^20-23; teleutosporis oblongo- 

 ellipsoideis v. oblongis, apice rotundatis, non vel vix incrassatis, 

 medio leniter constrictis, basi rotundatis vel attenuatis, levibus, 

 pallide brunneis, 32-50^16-25, episporio tonuissimo; pedicello 

 hyalino, persistenti, sporam gequante vel eam parum superante. 



Hab.in foliis vivis Baccharidis hirtellse, Oaxaca Mexico 

 (Holway). 



4. Puccinia Baccharidis-hirtell» Diet. et Holw. Bot. Gaz. XXI, 1901, 933 

 p. 331, Sacc. Syll. XVI pag. 1119 (nomen). — Syd. Mon. Ured. 

 vol. I, p. 23, t. II, f. 20. — Soris teleutosporiferis hypophyllis, 

 maculis irregularibus minutis fuscis, plerumque insidentibus, sparsis, 

 minutis, compactiuscuJis, castaneo-brunneis, uredosporis immixtis 

 globosis, subglobosis v. ellipsoideis, echinulatis, pallide flavo-brun- 

 neis, 20-27^18-25; teleutosporis ellipsoideis, utrinque rotundatis, 

 apice non vel lenissime incrassatis, medio lenitcr constrictis, sub- 

 tiliter punctatis, dilute brunneis, 32-46^20-30; pedicello hyalino, 

 tenui, usque 50 fj.. longo, fragili. 



Hab. in foliis vivis Baccharidis hirtellae, Amecameca, 

 Mexico (Holway). 



5. Puccinia Baccharidis-multiflorse Diet. et Holw. Bot. Gaz. XXXI, 934 

 1901, p. 331, Syd. Mon. Ured. vol. I, pag. 24, t. II, fig. 22. — 

 Soris uredosporiferis plerumque hypophyllis, sine maculis, sparsis, 

 minutis, dilute castaneis; uredosporis ellipsoideis vel ovatis, echi- 

 nulatis, flavo-brunneis, apice cucullato-incrassatis, usque 7 ;a. cr., 

 30-42 « 22-28 ; soris teleutosporiferis conformibus, pulvcrulento- 

 compactiusculis, atro-brunneis ; teleutosporis oblongis, apice rotun- 

 datis vel conico-attenuatis, valde incrassatis, usque 10 [j.., medio 

 leniter constrictis, basi rotundatis vel siepius attenuatis, levibus, 

 flavo-brunneis, 38-60 «21-30; pedicello hyalino, fragili, usque 00 



[j.. longo. 



Hab. in foliis vivis Baccharidis multiflornc, Amecameca, 



Mexico (Holway). 



6. Puccinia caeomatiformis Lagh. in Syd. Mon. Ured. vol. I, p. 24, 935 

 t. II, f. 24. — Soris teleutosporiferis amphigonis, maculis orbicu- 

 laribus v. irregularibus brunneis, ca. 2-3 mm. latis, subinde con- 

 fluentibus, insidentibus, plerumquo sparsis vol hinc inde paucis 

 aggregatis, rotundatis v. irregularibus, verruciformibus, majuscu- 



lis ca. 1-2,5 mm. diam., compactis, c;comatiformibus, pallidia; te- 

 leutosporis clavatis, apice rotundatis v. truncatis, inorassatis usquo 



18 



