By C. E. Broome, Esq. 



217 



Fusisporium bacilHgerum B. and B., Spye Park, on leaves of 

 alaternus. 



Genus CCXXXVI., Epochnium Lk. Sterile flocci creeping 

 fertile obsolete. Spores septate, attached apparently to the matrix. 



Genus CCXXXVII., Psilonia Fr. Flocci persistent, joined into 

 an erumpent mass, at first covering the simple spores. 



Psilonia gilva P., Rudlow, on sedges, &c. 



ORDER XXII. TRICHODERMACEI. 



Genus CCXXXVIII., Pilacre Fr. Stem solid, cylindrical. Head 

 globose composed of flexuous, branched, radiating threads. Spores 

 produced near the tips, forming a dusty mass. 



Pilacre faginea B. and B., Spye Park, on beech sticks. 



Genus CCXXXIX., Institale Fr. Stem none; common mass 

 containing many cavities filled with spores. 



Genus COXL., Trichoderma P. Peridium spurious, indetermin- 

 ate, roundish, composed of interwoven, even flocci, at length van- 

 ishing in the centre. Spores spread over the disc, 



Trichoderma viride P., common on dead wood. 



Genus COXLI., Arthroderma Curr. Peridium spurious, inde- 

 terminate, roundish, composed of interwoven, strongly constricted, 

 jointed flocci. Spores collected in the centre. 



Family V. Ascomycetes. 



(Elvellacei. Carnose, waxy, or tremelloid. Hymenium 



exposed, rarely nearly closed. 

 Tuberacei. Hypogaeous. Hymenium mostly compli- 



cated. 



Phacidiacei. Hard, or coriaceous. Hymenium at length 

 exposed. Disc orbicular, or very narrow 

 and linear, surrounded by the obtuse or 

 inflected margin. 



Sphceriacei. Perithecia opening by a distinct, puncti- 

 form, or short linear ostiolum. Asci 



L mostly springing from the walls. 



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