326 
HANDBOOK OF 
1712. Ustilago Tepperi. Lvd. Bot. Centr. 1889, ja. 341. 
Powder of the spores black, destroying the floral parts and the 
upper portion of the culms ; spores for the most part spherical or 
shortly ellipsoid, 12-17 p diam., brown ; epispore papillate or 
rather aculeate. 
On Amphipogonis strictus and Neurachnes alopecuroides. Torrens 
Gorge and Highbury Scrub. 
1713. Ustilago bullata. Berk. FI. N. Zeal. t. 106, /. 12. 
Sacc. Syll. 1704. 
Pustules black ; spores globose, ovoid, rounded, or elliptic, 7-10, 
usually 8 p diam., very pale, olive-brown, epispore rufescent, 
papillosely granulate. 
On inforescence of Triticum. S. Australia. Victoria. N.S. 
Wales. N. Zealand. 
1714. Ustilago emodensis. Berk. Decades No. 354. Sacc. 
Syll. 1712. 
Spores elliptical, and obovate, delicately rugulose, small, dark 
lilac, 12-15 p diam., mixed with radiating furcating filaments. 
On stems, etc., of Polygonum. Queensland. 
1715. Ustilago sclerotiformis. Che. fy Mass. Grev.xx ii., 8. 
Black, compact, obovate, large (2 m.m. diam.), never becoming 
powdery ; spores subglobose, dark umber (16-18 p diam.), epispore 
granulose. 
Absorbing the ovaries of Vncinia ccespitosa. New Zealand. 
*#* Spores aculeate. 
1716. Ustilago Cesatii. Wadh. Apercu. 25. Sacc. Syll. 
1728. 
Pustules black; spores unequal, rounded, 10-12 p diam., ovate 
or rounded, polyhedrical, 14 x 12 p, or oblong polyhedrical, 12-14 x 
8-10 p, dark brown ; epispore thick, shortly aculeolate. 
On Paspalum scrobiculatum. Victoria. Queensland. 
f* Spores marked with lines. 
1717. Ustilago utriculosa. Tul. Mem. Ust. p. 102. Sacc. 
Syll. 1737. 
Pustules dark violet, becoming with age violet-brown, pulveru- 
lent, erumpent by the fissure of the epidermis ; spores globose or 
ellipsoid, 9-14 p diam., epispore bright violet, becoming violet- 
brown when dry, beautifully reticulate (areolaj 8 p broad). 
In ovaries and stems of Polygonum minus and P. gracile. 
Victoria. River Tam bo. 
Genus 2. TILLETIA. Tul. 
Characters as in Ustilago, sporidiola elongated, linear, promy- 
celium acrogenous, sori when mature pulverulent ; epispore for 
the most part areolate. 
