250 FOLI{COLOUS SPH ERIA, 
oblong, obtuse, 4—5-septate, constricted at the septa, yellowish. ‘015- 
"025 mm. (0006—0010 in.) long.—Spheria Rusci, Wallr. Fl. Germ. 
p. 776; Berk. and Br. Ann. Nat. Hist. n. 639* ; Berkl. Outl. pp. 399; 
Cooke, Index, n. 2325; Currey, Linn. Trans. xxii. pl. lix. fig. 120. 
Spheria atrovirens, 8. Rusci, Berkl. Eng. Fl. v. pt. ii. p. 272; Desm. 
Pl. Crypt. n. 1281. Oryptospheria glauco-punctata, Grev. Fl. Ed. 
p.962. Spheria glauco-punctata, Currey, Linn. Trans. xxii. p. 333, 
pl. lix. fig. 144. Spherella Rusci, De Not. Schema, p. 63; Erb. Critt. 
Ital. n. 886; Sferiacei Italici, pl. 95.— On dead Ruscus aculeatus. 
Common. (Pl. L. Fig. 20.) 
18. SPHERELLA ARAUCARLE (Spheria Araucaria), Cooke, in See- 
mann’s Journal of Botany, vol. iv. p. 104, April, 1866, pl. 45, fig. 12. 
19. SPHHRELLA ISARIPHORA, De Not. in Seemann’s Journ. of Bo- 
tany, vol. iv. p. 104, April, 1866, pl. 45, fig. 11. 
20. SPHERELLA LErGHTONI. Minute, scattered over the upper 
surface of the leaves, pitchy brown, shining, narrowed into a short 
conical ostiolum. Asci clavate, sublanceolate. Sporidia oblong-cym- 
biform, about four times as long as broad, obtuse, scarcely curved. 
Endochrome at first retracted to either end; a septum is then formed 
between the two masses, which are at length again divided.— SpAeria 
Leightoni, Berk. and Br. in Ann. Nat. Hist. n. 659. t. xii. fig. 43; 
Berk. Outl. p. 401; Cooke, Index, n. 2389.—On dead leaves of Lin- 
nea borealis, Glen Dole, Clova, 1837. (Pl. L. Fig. 25.) 
21. SPHÆRELLA PrERIDIS. Epiphyllous. Spots greyish or none. 
Perithecia minute, globose, scattered or aggregate, covered with the epi- 
dermis. Asci clavate. Sporidia elongated-fusiform, straight or curved, 
uniseptate, hyaline. *015 mm. (:0005) long.—Spheria Pteridis, Desm. 
Pl. Crypt. n. 1295 (not Kunze and Schm. Exs. n. 2, which is Dothidea) ; 
Berk. and Br. Ann. Nat. Hist. n. 656; Berkl. Outl. p. 401; Cooke, 
Index, n. 2383.—Spheria Litura, Berk. MSS. Spheria punctiformis, 
b. Péeridis, Fr. Scl. Suec. n. 86 (not Spherella Pteridis, De Not. Sferiacei 
Ital. tab. 99).—0On dead fronds of Pteris aquilina. (Pl. L. Fig. 32.) 
22. SPHJERELLA ERYSIPHINA. Epiphyllous. Perithecia scattered, 
minute, almost superficial, brown, accompanying and mixed with 
Spherotheca Oastagnei. Asci cylindrical. Sporidia uniseriate, hyaline, 
uniseptate, 0125 mm. (-0005 in.) long.—Spheria erysiphina, B. and 
Br. Journ. Hort. Soc. ix. p. 67; Berkl. Outl. p. 401; Cooke, Index, 
n. 2390,—On living Hop leaves. (Pl. L. Fig. 24.) 
