668 Uredinales, Pncciuiacea), Pucciuieae, Puccinia. 



8. Puccinia obesispora J. E. Aitlmr, Bull. Torr. Bot. Cl., 45., 1918, 2416 

 p. 147. — ITreilosoris pleriimquc hypopbyllis, iii maculis decoloratis 

 <;onflueutibus, qnandoque circiunatim circa areas aridas dispositis 



V. sparsis, niox nudis, cinuamomeo-brunneis, e[>idermide rupta cinc- 

 tis ; uredosporis late ellipsoideis v. globosis 24-30 « 19-26, tunica 

 variae crassitudiuis, 1,5-3 |j,, obscure cinnamomeo-brunnea, sparse 

 crasseque ecliinulata, poris germ. 2 aequatorialibus praedita ; te- 

 leutosoris plerumque uredosoris commixtis, ambitu irregularibus 

 0,1-0,5 mm. diam., mox nudis obscure theobromino-brunueis; teleu- " 

 tosporis ellipsoideis v. oblongis, latis, 55-70^26-35, utrinque ro- 

 tundatis v. apice obtusis v, acutatis septo non v. leniter coustrictis, 

 tunica theobromino-brunnea 3-4 [x cr. apice usque 6-12 n crasse 

 sparseque verrucosa; pedicello supra colorato usque duplum sporae 

 longiore. 



Hab. in foliis Achyranthes obovatae, Oaxaca Mexico 

 Amer. bor. (E. W. D. Holway). 



9. Puccinia Pallor Arthur et Holway, Mycologia 10., 1918, p. 129.— 2447 

 Spermogoniis ampliigenis in parvos greges confertis, conspicuis, 

 subepidermicis, globosis v. leniter depressis, 96-160 i^- diam.; aeci- 



diis amphigenis pycnidia circumdantibus subincouspicuis, 0,2-0,4 

 mm. diam. profunde insidentibus demum epidermide poro pertusa 

 emergentibus ; peridio nullo y. a stratu myceliali tenui substituto; 

 aecidiosporis e globosis late ellipsoideis 19-24* 18-23, tunica hya- 

 lina tenui 1-1,5 |i cr., crebre minuteqne verrucosa; uredosoris hy- 

 pophyllis, sparsis, ovatis v. oblongis 0,4-1 mm. loug. diu tectis pri- 

 mum poro minuto apertis, pulverulentis, flavescentibus, dein epi- 

 dermide rupta conspicuis; uredosporis late ellipsoideis v. ovoideis, 

 23-28*18-21; tunica hyalina, tenui, 1-1,5 p. cr., minute crebreque 

 echinuhita, poris inconspicuis; teleutosoris hypophyliis, sparsis ova- 

 tis V. oblongis 0,3-0,8 mm. long. mox nudis subpulverulentis, al- 

 bis, epidermide rupta conspicuis; teleutosporis e oblongis fusoideo- 

 oblongis, 42-64 * 16-23, utrinque rotundatis v. acutatis, quandoque 

 iufra angustatis, ad septum coustrictulis, maturis mox germinan- 

 tibus ; tuuica hyalina, tenui 1 (x, apice quandoque 3-4 [a crassa, 

 levi ; pedicello hyalino, subfragili, vix dimidium sporae aequante. 

 Hab. iu foliis Bomariae sp., Volcan de Irazu Cartago, Co- 

 starica, et B. a c u t i f o 1 i a e, Volcan de Agua, Guatemala (HoL- 

 way), America Centr. 



10. Puccinia Roseanae J. C. Arthur, Bot. Gazette, 65., 1918, p. 468.— 2448 

 Pycnidiis plerumque epiphyllis laxe congregatis flavo-melleis dein 



