thelocarpon] thelocarpace^ 345 



Massaria scoriadea Cooke ia Grevillea xvii. p. 93 (1889). — 

 Sphseria scoriadea Fr. El. Fung. ii. p. 87 (1828). Verrucaria 

 conferta Tayl. in Mackay Fl. Hib. ii. p. 87 (1836); Leight. 

 Angioc. Lich. p. 39, t. 17, fig. 2 fide Cooke Brit. Fungi ii. p. 873 

 (1871). 



Muellerella polyspora Hepp ex Mueller in Mem. Soc. Phys 

 Hist. Nat. Geneve xvi. p. 420 (1862). — Eadococcus haplotellus 

 Nyl. in Flora 1. p. 180 (1867) ; Carroll in Journ. Bot. vi. p. 101 

 (1868) (spores simple); Cromb. Lich. Brit. p. 122. Verrucaria 

 Jiaplotella Leight. Lich. Fl. p. 463 (1871); ed. 3, p. 495. 



The following parasitic species has been classified as a discomy- 

 cetous fungus : — 



Conida punctella Arn. in Denkschr. Bot. Ges. Regensb. 1890, 

 p. 46, previously recorded as Arthonia punctella Nyl. see above, 

 p. 219. 



THELOCARPACE^. 



Horizontal thallus wanting. Algal cells Pleurococcus or Proto- 

 coccus. Perithecia superficial, surrounded by a gonidial sheath, 

 completely enclosed or opening by a pore ; asci with numerous 

 simple or septate spores. 



A somewhat peculiar and aberrant Order. The single genus 

 Thelocarpon was included by Nylander in the Pyrenocarpei (Mem. 

 Soc. Sci. Nat. Cherb. v. p. 135 (1857)). Later it was transferred to 

 the fungi by Kehm (Hedwigia xxx. p. 3 (1891) ), who regarded it as one 

 of the Hypocreacece. A. Zahlbruckner, who rejects this classification 

 on account of the well-defined gonidial structure, has included it in 

 the Acarosporacece, along with other genera distinguished by many- 

 spored asci (see p. 107). 



120. THELOCARPON Nyl. in Mem. Soc. Sci. Nat, Cherb. 

 ii. p. 338 (1854), emend, in Flora Ivi. p. 299 (1873). (PI. 56.) 



Thallus forming small scattered or congregate verrucse, each 

 one enclosing a perithecium. Perithecia almost globose, com- 

 pletely enclosed or opening above by a pore ; perithecial wall 

 colourless, slightly developed ; paraphyses slender, simple or 

 branched or wanting ; asci elongate, clavate or ventricose-f usi- 

 form, many-spored ; spores minute, colourless, simple or pseudo- 

 septate. Spermogones unknov/n. 



1. Th. Laureri Nyl. in Mem. Soc. Sci. Nat. Cherb. iii. p. 191 

 (1855) & in Flora xlviii. p. 261 (1865). — Thallus confined to minute 

 scattered or aggregate verrucas, yellowish-green. Perithecia en- 

 closed in the verrucse, soft, minute, globose, citrine- or greenish- 

 yellow, the ostiole slightly depressed and inconspicuous ; perithecial 

 wall colourless ; paraphyses scanty, slender, branched, shorter 

 than the asci ; asci flask-shaped, broad in the middle, narrower 

 upwards, about 0,100 mm. long, 0,012 mm. thick ; spores minute. 



