GOXATOBOTEYS— NEJIATOGONIUM. 333 



Gonatobotrys simplex. Corda. 



White ; tufts lax, minute, downy ; fertUe h5-p]iae simple, 

 long, erect, furnished with many nodes or swollen portions, 

 septate, fertile nodes glohose ; conidia hyaline, subglobose, 

 base apiculate. 



Gonatdboi'rys simplex, Corda, Prachtfl., t. v. ; Sacc, S3-II., 

 n. 863. 



On decaying fruit of Tamus ; on hawthorn branches ; on 

 old perithecia of Yalsa, &c. 



Gonatobotrys flava. Bon. (fig. 12. p. 274.) 

 Tufts, minute, white then yellowish; fertile hyphae erect, 

 simple, here and there inflated, the inflated portions covered 

 with spicules spirally arranged ; conidia elliptic-oblong, 

 base subapiculate, 18-25 x 10—12 /*, at first colourless then 

 slightly tinged yellow. 



Gonatobotrys flava. Bonorden's Hdbk., p. 105, f. 22, 23 ; 

 Sacc, Syll., iv. n. 8G4. 



On decayed wood, fungi, &c. 



KEMATOGONIUM. Desm. (fig. 13, p. 274.) 



Sterile hyphae creeping, fertile erect, conspicuously 

 jointed, sterile joints thickened at both ends (bone-shapedj, 

 fertile joints globose, smooth; conidia elliptical, continuous. 



Nematogonium, Desmazieres, Ann. Sc. Xat., 1834, ii. p. 09 ; 

 Sacc, Syll., iv. p. 170. 



Kecognised by the thigh-bone-shaped sterile joints of the 

 erect hyphae interspersed with spherical joints bearing the 

 conidia in loose clusters. 



Nematogonittni anrantiacum. Desm. (fig. 13, p. 274.) 

 Tufts orange-brown minutely velvety, often considerably 

 effused ; sterile hyphae very slender, septate, creeping ; 

 fertile hyphae erect, jointed, sterile joints infiated at both 

 ends, with conidia-bearing globose cells interposed here and 

 there; conidia obovate, base acute,' 15 x 8—10 /x, with an 

 orange tinge, sessile, arranged on the globose cells in loose 

 clusters. 



Nematogonium aurantiaeum, Desm., Ann. Sci. Xat., 1S34, ii. 

 t. 11, f. 1 ; Sacc., Syll., iv. n. 807. 

 On rotten wood and bark. 



