HYPOCRELLA AND ASCHEKSONIA. 251 



about 0*3 mm. diameter, with a short conical neck; pyeno- 

 spores fusoid, ends pointed, 10-14 x 2-2-5 \j. ; paraphyses up 

 to 160 [). long. Aschersonia tephrosiicola P. Henn., Fl. du Bas 

 et Moy. Congo, Vol. II., fasc. Ill (1908), p. 228. 



The type specimen, in Herb. Paris, is on Lonchocarpus and 

 Srnilax, from West Africa. Aschersonia tephrosiicola, type in 

 Herb. Berlin, is on a pale Alcurodes on Tephrosi:i ; the specimens 

 are discoid, but rather irregular, thinning out towards the margin 

 and somewhat nodular; the paraphyses are up to 160 \}. long. 

 This species is very near A. hadia, but has longer paraphyses. 



Distribution. — Africa, in Herb. Paris, and Herb. Berlin {A. 

 tephrosiicola). 



Figures. — Plate 3, fig. 33, specimen ex type, x 6 ; Plate 5, 

 fig. 51, section, x 10. 



Aschersonia brunnea Fetch, n. sp. — Stromata circular, 

 discoid, up to 2 mm. diameter and 0'6 mm. high; sometimes 

 depressed in the centre ; dark purjihsli-brown, internally pale 

 brown. Pycnidial orifices circularly arranged or scattered, 

 blackish; pycnidia globose, up to 0"35 mm. diameter; 

 pycnospores lanceolate, ends tapering, 16-19 X 2-2*5 \).; 

 paraphyses up to 160 jx long. Hypocrea amazonica Cooke (in 

 part), Grevillea, XVI., p. 25. 



This species resembles Aschersonia hadia, from which it differs 

 in its larger pycnidia, larger spoi'es and longer paraphyses. It is 

 included in Herb. Kew under Hypocrea amazonica Cooke, 

 Spruce No. 528, from Brazil. 



Distribution. — Brazil, in Herb. Kew. 



Figures. — Plate 3, fig. 34, specimen ex Hypocrea amazonica Cke. 

 in Herb. Kew, x 10 ; Plate 5, fig. 53, section, x 6. 



Aschersonia flava Fetch, n. sp. — Stromata discoid, margin 

 rounded, usually contracted below, up to 3 mm. diameter, 

 0*8 mm. thick, yellow or orange when fresh, waxy, subtrans- 

 lucent, paUid and pruinose when dry, sometimes surrounded 

 by a pruinose area on the leaf, pycnidial orifices not evident. 

 Stroma with a loose central region in the centre of the base. 

 Fycnidia arranged more or less in a circle, regular, pyriform, 

 or globose with a conical neck, 0"3 mm. diameter, 0'5 mm. 

 high, ostiola not projecting. Paraphyses linear, up to 200 [i, 

 long. Pycnospores fusoid, inequilateral, ends acute, 12-14 x 



