DIPLOSPOEIUM— TEICHOTHECIUJr. 337 



TncoiJiectum, Link, sp. pi. Fungi, i. p. 28; Sacc, feyll., iv. 

 p. 178. 



Trichothecium roseum. Link. (fig. 14, p. 274.) 



Tufts minutely velvety, rather large, often becoming 

 confluent, at first white then pale rose-coloured ; fertile 

 h^ ))liae erect, short, without septa ; conidia pyriform, slightly 

 ctrustricted at the septum, attached obliquely to the narrow 

 apex of the conidiophore, 12-18 x 8-12 /j., pale rose or almost 

 colourless. 



Trichothecium roseum, Link, Obs. Mycol., i. p. 16, f. 27 ; 

 Sacc, Syll., iv. n. 881. 



Dactylium roseum, Berk. 



On bark, leaves, fruit, paper, cheese, dung, &c. 



Trichothecium candidum. Wallr. 



Tufts roundish, often confluent, minutely velvety, white; 

 fertile hyphae erect, septate, 150 x 3 /a; conidia solitary, 

 elliptic-oblnng, apiculate at the base, two-celled, slightly 

 co)i>tricted at the septum, colourless, 20-25 x 10-15 /*. 



Trichothecium candidum, Wallr., Fl. Crypt., n. 1879 ; Sacc, 

 Svl]., n. 883. 



Ou bark and decaying vegetable substances. 



Care must be taken not to mistake bleached states of T. 

 roseum for the present species. 



Trichothecium otaovatum. Sacc. 



"White, forming exceedingly minute tufts ; fertile hyphae 

 very t^lender, without septa ; conidia colourless, obovate, 

 two-celled, not constricted at the septum, solitary or in pairs 

 at the tips of the conidiophores, 14^17 X 10 /x. 



Trichothecium ohovatum, Sacc, Syll., n. 884. 



Dactylium ohovatum. Berk., Ann. JSat. Hist., n. 242, t. 14, 

 f. 26. 



On willow branches, springing from the exolete perithecia 

 of a Sphaeria. 



Trichothecium piriferum. Sacc. 

 Tufts, minute, white, often becoming confluent and 

 forming effused, minutely velvety patches ; fertile hyphae 

 agi^regate, sparingly branched above ; conidia obovate, two- 

 ceiled, terminal cell largest, not constricted at the septum, 

 colourless, 20-25 x 10-12 //.. 



VOL. J II. z 



