HELOTIUM. 155 
which is ferruginous; sporidia very variable in size 
and shape. 
Nearly allied to H. calyculus. 
Name—Ferrugo, iron rust; from the colour. 
Houghton! (Rev. M. J. Berkeley). 
(8) On herbaceous stems and roots. 
2. Helotiwm graminium (nov. sp.). 
Stipitate; cup plane or. convex, glabrous, pallid- 
ochraceous; stem short, rather stout, often slightly 
attenuated in the centre, expanding into the base of the 
cup; asci subclavate ; sporidia 8, elliptic, with one or 
two guttule, 8—11 x 45; paraphyses slenderly fili- 
form. 
On grass. Spring. 
Cups 4 to 1} of a line broad, about the same high ; 
margin obtuse. 
Name—Gramineus, of or belonging to grass; from its 
habitat. 
King’s Lynn! (Mx. C. B. Plowright). 
3. Helotiwm politwm (nov. sp.). 
Substipitate, plane or slightly concave, glabrous, 
white; margin even, obtuse; the short stem gradually 
enlarged from the base upwards into the cup; asci 
cylindraceo-clavate; sporidia 8, elliptic, ends nearly 
pointed, 10—13 x 4—5p. 
On roots of some small plant under the surface of the 
soil in a plantation. November. 
Cup 4 to 3? of a line broad, the short stem tapering 
downwards to a point. When moist, shining. 
Name—Politus, polished. 
Shelton Rough, near Shrewsbury ! 
(y) On catkins. 
4, Helotiwm alniellum. (Nyl.). 
Cup shortly stipitate, plane, white or pallid-white ; 
stem slender, short or very short; asci cylindraceo- 
