Ustilag-inacese, Ustilago. 477 



globosae, subinde suboblongae, prominulo-verruculosae, 9-15 \i. 

 diam. 



27. Ustilago Festucae-teneUae Henn. in Hedw. 1902, p. (61). — Soris 1612 

 in rachidibus iloribusque eos paulo deformantibus contortosque 

 reddentibus, olivaceo-atris, pulverulentis; sporis subgloboso-angu- 

 latis, intus granuloso-punctoideis, 13-15 a., episporio atro, levi. 



Hab. in paniculis Festuc;e tenellse, Mexico (Holway). 



28. Ustilago filiformis P. Henn. in Engl. Bot. Jahrb. 1901, p. 254, 1613 

 — Sacc. Syll. XVI, p. 1122 (nomen). — Soris ovaria destruentibus, 

 tubiformibus, nexuosis, usque ad 4 cm. longis, epidermide tenui 

 papyracea, pallescente tectis; sporis subgloboso- v. ellipsoideo-angu- 

 latis, primo hyalinis dein brunneis vel atris, ca. 10-12 a. diam., 

 episporio tenui, levi vel punctulato. 



Hab. in foliis Andropogonis contorti, Usafua Afr. orient. 



29. Ustilago halophila Speg. Mycet. argent. ser. II, 1902, p. 58. — 1,;ii 

 Plantfe infectae fere immutatae; vaginis infirmis saepius terra abs- 

 conditis in parte basali v. parum supra fuscescentibus transverse 

 rugosis incrassatulis, primo integris dein irregulariter disruptis 



ac sporas liberantibus ; sporis ellipticis v. subglobosis, primo 12- 

 20-conglomeratis, serius omnibus liberis 6-8 « 5-6, tenuiter tunica- 

 tis, olivaceo-fuligineis. 



Hab. ad folia radicalia Distichlidis scoparise, prope Ru- 

 fino Argentinae. 



30. Ustilago Kusanoana P. Henn. in Hedw. 1904, p. 140. — Soris 1615 

 in spicis globosis ca. 1,5-2 mm. diam., cuticula firma, vividula 

 inclusis; sporis rotundato- vel oblongo-angulatis navo-fuscidulis, 

 dense verrucosis, 6-9 ^ 5-7. 



Hab. in noribus Eragrostidis ferrugineee, Tokyo Japoniae 



(KlJSANo). 



31. Ustilago lycuroides G-riffiths im Bull. of. the Torr. Bot. Club 1616 

 1904, p. 84, fig. 11-12. — Soris olivaceo-griseis ovarium implen- 

 tibus et tumefacientibus, 1-1,5 mm. diam.; glomerulis sporarum 

 facile secedentibus ; sporis brunneis, subglobosis vel subovalibus 

 angularibusque 9,5-13 \i. diam. ; episporio minuto, levi donatis, 

 granulosis, 1-nucleatis. 



Hab. in ovariis Lycuri phleoidis, Santa Rita Mountains, 

 Arizona Amer. bor. (G-rifjbtths et Tjiornbki; . 



32. Ustilago Mitchellii Syd. Ann. Mycol. 1903, p. 23. — Soris ovaria 1617 

 destruentibus, atro-brunneis; sporis globosis v. subglobosis, rarii^s 

 oblongis, obscure fusco-olivaceis, levibus, 8-12 « 7-10. 



