84 
BRITISH SPHJSRIACEI. 
Genus 5. GIBBERA. Fr.— Handbk., pp. 843. Species, Handbk., 
Nos. 2,525 to 2,526, 2,344. 
Gibbera flacca. Wallr. — Grevillea vi., p. 25. On Solanum 
dulcamara. 
E. SPHiERIiEI. 
Genus 1. MASS ARIA. Not. — Handbk., p. 844. Species, Nos. 
2,527 to 2,535. 
Massaria rhodostoma. Tul. — Grevillea vi., p. 26. On Rhamnus 
frangula. 
Getius 2. LOPSIIOSTOMA. Jfot.— Handbk., p. 848. Species, 
2,537 to 2,548. 
Iiophiostoma hederae. Fold. — Grevillea iii., 27. On ivy. 
. Genus 3. CERATOSTOMA. Fr. (p p.). 
Perithecia superficial, or semi-immersed, scattered or gregarious ; 
ostiolum elongated, cylindrical, free, longer than the penthecium, 
emergent. Species, Handbk., Nos. 2,625 to 2,630. 
Ceratostoma crinigera. Cke . — Grevillea i., p. 156. On pine 
wood. 
Genus 4. BYSSOSPH^RIA. Cke. 
Perithecia superficial, free, seated on a tomentose subiculum of 
interwoven threads, at first veiled. {Sphaeria, Byssisedce , Fr. S. M. 
ii., 440.) Species, Handbk., 2,549 to 2,552, 2,556. 
Although this includes the greater part of the genus Rossellinia 
of De Notaris, it corresponds to none of the numerous genera 
recently proposed, because it is not restricted on account of the 
form of the sporidia. 
Byssosphaeria Keitii. B. fy Br. — Ann. N. H., No. 1626. 
On a piece of cord. 
Genus 5. PSILOSPH^RIA. 
Perithecia superficial, gregarious or crowded, naked, black, car- 
bonaceous, often corrugated or tuberculate ; ostiolum scarcely 
prominent. ( Sphceria , Denudata, Fr. S. M. ii., 452.) 
Species, Handbk., 2,575 to 2,577, 2,580 to 2,582, 2,586, 2,587, 
2,589, 2,590, 2,597, 2,598, 2,600, 2,601, 2,612 to 2,617, 2,619, 
2,620. 
Psilosphaeria parmeliarum. Ph. & PI . — Grevillea iv., p. 124. 
On Parmslia saxitilis. 
Psilosphaeria ostioloidea. Cke. — Grevillea iv., p. 113. On 
Diatrype quercina. 
Psilosphaeria caninae. Ph. & PI . — Grevillea vi., p. 27. On 
JPeltigera canina. 
Psilophaeria Stevensonii. B. 8f Br. — Ann. N. H., No. 1,728. 
On dead wood. 
