(7) J. MÜLLER. ARTHONLE ET ARTHOTHELH SPECIES. 731 



11. Arthonia septiseptella Willey Syn. Arthon., n. 61 ; omnia 

 ut in A. septisepta, sed apothecia linearia, gracilia. — Ch. Wright, n. 120e, 

 ex Will., in mea collect, autem 118 pr. p., H8d. 



12. Arthonia conferta Nyl. En. gén., p. 132. — Ch. Wright, n. 119 

 pr. p., 1276, 127c. — A similibus A. compensata et A. fusco-pallente Nyl. 

 differt cellula suprema sporarum reliquis non majore. 



13. Arthonia erupta Willey Syn. Arthon., n. 33, excl. spor. forte 

 juvenil, aut alienis. — Species cselerum ad Willeyi seriem A**-j~H" perti- 

 net et inter A. platyspileam Nyl. et A. leucoschisma Müll. Arg. locanda est. 

 Apothecia sunt fusco-carnea, alhido-pruinosa, 2 / 10 mm - lata, lanceolata, 

 thallo adscendente circumducta et dein subdepressa apparentia ; spora? 

 evolulœ 25 p longée, et 10 p. lata?, 9-10-loculares, loculi intermedii reliquis 

 majores. — Gorticola in Cuba : Ch. Wright Graph. Cub., n. 1206, 119 pr. p. 

 (sine sporis). 



2° Sporœ (8-16-loculares) ultra 35 y- longœ. 



14. Arthonia ochrospila Willey Syn. Arthon., n. 54. — Cl. Willey 

 1. c. sporas non bene evolutas, 4-6-loculares descripsit, sunt enim 8-9-locu- 

 lares et omnino conformes iis A. subrubellœ Nyl. (ubi similiter a cl. Willey 

 tantum 6-loculares iiidicantur). Est proxima comparai« speciei. — Ch. 

 Wright Graph. Cub., n. 210. 



15. Arthonia subrubella Nyl. in Prodr. Nov. Gran., p. 98. — Ch. 

 Wright, n. 118 pr. p., 1216. 



16. Arthonia Wrightii Müll. Arg. ; thallus cinnamomeo-flavidus 

 v. obscure fulvo-flavescens, tenuissimus, zonula nigro-fusca cinctus; apo- 

 thecia linearia, 5 - 12 /ioo mm. lata, Va-i mm. longa, simplicia etbi-trifurcata, 

 subflexuosa, cinnamomeo-fusca, demum nuda et prominula, thallo adja- 

 cente intumescente cincta ; hypothecium hyalinum ; asci globosi, 8-spori; 

 spora? cire. 50 u longa? et 18 ^ lata?, late fusiformes, 8-loculares, loculi 

 intermedii reliquis majores. — Aflînis est A. subrubellœ Nyl., sed thallus 

 aliter coloratus et apothecia longiora. Est insignis. — Ch. Wright, n. 215. 



B. Loculus summus sporarum reliquis major, se. sporœ macrocephalœ. 



* Sporse 4-loculares. 



17. Arthonia ochrodes Willey Syn. Arthon., n. 52. — Ch. Wright, 

 n. 135 (hanc non vidi). 



** Sporse 5-8-loculares. 

 io Sporœ 15-30 y. longœ. 



18. Arthonia subtilissima Müll. Arg. ; thallus hypophlceodes, 

 niveo-albus, circa apothecia rudimentarie perspicuus; apothecia minutis- 



