24ft W. NYLANUHK. 



15. L. contigua Fr. — Nukahiva (secundum hb. Le Jolis). 



16. L. triphragmia Nyl. p. l/il. — Ad corticem in Nova Hibernia, 

 Port Garteret, ex hb. Lenormand. 



17. L. disciformis Fr., Nyl. — Nukahiva, Jardin. 



18. L. atroalbella Nyl. Prodr. p. 129. — Nukahiva, ad lavam, 

 idem. 



( Trib XX. Xylographidei. — Desiderantur. ) 



Trib. XXI. - GRAPHiDEI. 



Graphis Àch. 



1. Gr. comma Ach. — Taïti; Nukahiva (f. lineola Ach.). 



2. Gr. seripta Ach.— Taïti. Var. serpentina Ach. in Papeiti. Typus 

 in insulis Sandwich. 



3. Gr. assimilis Nyl. (Op. rhizocola Fée). — In insulis Sandwicen- 

 sibus. 



h. Gr. analoga Nyl. — Similis Graphidi assimili, sed sporis oblon- 

 gis murali-clivisis, long, circa 0,018, crass. 0,009 millim.; differt dein 

 a Graphide anguina (Mnt.) analoga, sporis minoribus et hypothecio infra 

 nigro vel infuscato. — In Taïti, Vieillard etPanchet. 



5. Gr. striatula (Ach. sub Opegr.). — Oata, ad Santalum, Jardin. 

 Verisimiliter haud rara in Polynesia. 



6. Gr. mendax Nyl. — Thallus tenuis albus effusus (an semper?); 

 apothecia immersa plana dendritice et pedato-radiosa, passim sim- 

 pliciora, paullum csesio-pruinosa ; tfiecae monosporaî , spora3 tenuiter 

 murali-divisœ ellipsoideas vel oblongœ, long. 0,070-75, crass. 0,025- 

 30 millim., paraphyses graciles, hypolhecium non infuscatum. Gelatina 

 hytnenea et sporas iodo intense cœrulescentes. — In insula Papeiti, ad 

 corlices, cl. Jardin. — Extus omnino refert Graphidem dendrilicam 

 Ach., analysi autem longe differt acceditque ad stirpen Graphidis homo- 

 graphe? Nyl. 



7. Gr. contexta (Pers. sub Emblemia in Gaudich. JJran. p. 18Zi; 

 Embl. venosa Mnt. in Ann. se. nat. 3, X, p. 129). — In insulis Marianis 

 et in Taïti. 



8. Gr. venosa (Pers. sub Emblemia 1. c. p. 185). — Quoque ad cor- 

 tices in Polynesia. — Yix nisi var. prsecedentis apotheciis fuscis magis 

 depressis deplanatisque margine lhallino.angusto, fere gracilioribus. Sporas 

 non vidi in typo. 



