254 FUNGUS-FLOEA. 



parenchymatotis cortex, the cells of whioli are elongated in 

 the direction from base to margin ; asci cj'lindric-clavate, 

 apes somewhat narrowed, often curved, 8-spored ; spores 

 irregularly 2-seriate, hyaline, 2-4-gu ttulate, at first con- 

 tinuous, finally 1 or more septate, straight or slightly curved, 

 narrowly cylindric fusiform, or the apex blunt, thus forming 

 a narrowly clavate spore, 18-28 x 4-5 /x; paraphyses 

 septate, hj'aline, sometimes forked, verj' slightly thickened 

 at the tip. 



Peziza scutula, Pers., Myc. Eur., i. p. 284. 



Hymenoscypha scutula, Phil., Brit. Disc, p. 136. 



Phialea scutula, Gillet, Disc. Fr., p. 108 ; Sacc, Syll., viii. 

 n. 1009. 



On dead herbaceous stems. 



Distinguished from H. cyathoideum by the larger spores, 

 and from H. virgultorum, by the slender, equal, glabrous stem. 

 Found on the dead stems of many species of herbaceous 

 plants, but the most typical form occurs on Artemisia 

 vulgaris. 



Specimens examined in Eehm's Ascom., n. 66, and Eabenh., 

 Fung. Eur., 2105. 



Forma fucata, Phil., Brit. Disc, p. 137. 



Ascophore subhemispherical ; margin incurved ; disc 

 brownish yellow; externally whitish, stained irregularly 

 with dirty yellow. 



On dead stems of Polygonum lying in water. 



Specimen examined in Phil., Elv. Brit., n. 120. 



Forma lysimachiae, Phil., Brit. Disc, p. 137. 



On dead stems of LysimacMa vulgaris. 



Specimen examined in Phil., Elv. Brit., n. 120a. 



Forma menthae, Phil., Brit. Disc, p. 137. 



Ascophore plane or convex; disc bright yellow; stem 

 slender ; spores 14-20 X 3-6 /i, 2-3-guttulate, often pseudo- 

 uniseptate. 



Specimen in Elv. Brit., n. 188 (called Helotium menthae), 

 examined. 



Forma rudbeckiae, Phil., Brit. Disc, p. 138. 



Ascophore 1 line wide, stem about I-I4 lines high, 

 cylindrical, expanding into the base of the cup ; spores 

 18-25 X 4-6 /*. 



On dead stems of BudbecMa. 



