208 LICHENES ANTILLARUM A W. R. ELLIOTT COLLECTI. 



decolores, ellipsoidefe aut oblongag, apicibus rotundatis aut obtusis, 

 murales, long. 0-020-0-025, crass. 0-010 raillim., iodo non reagentes, 

 cellulis sat numerosis, septis transvei'salibus 7-6, longitudinalibua 

 circ. 2-3. Ad corticem arborum in Ricbmond Valley in St, Vin- 

 cent (n. 244). T. homopastum Nyl. in memoriam revocans, at magis 

 affine T. fjlaucopallenti Nyl. (Prodr. Nov.-Granat. 327), quod septis 

 transversalibus G sporarum ab ea differt. 



5. T. (Ocellularia) domingense (Fee) Tuck. Syn. North Am. 

 Licli. i. 225, Ascklium Nyl, Prodr, Nov.-Granat. 335; Krempelli. 

 Die Flechten-Gatt. Ascid. 10. OceUiiIaria MiiW. Avg. Liioh. Beiir. 

 n, 1177. 



Var, FECUNDUM Wain, Sporfe 4nre aut binae aut singulae. Ad 

 corticem arboris in Richmond Valley in St. Vincent. Thallus 

 continuus verruculoso-iuaequalis, glaucescens, nitidiusculus, sat 

 tenuis. Apothecia increbra, verrucas 1-5-2 millim. latas, hemi- 

 sphrericas, demum basi abruptas formantia. Amphithecium intus 

 dilute fulvescens aut flavescens aut partim albidum, KHO non 

 reagens, extus substratum corticale KHO fuscescens. Peritheciura 

 fusco-fuligineum, sursum incrassatum, basi angustissime fuscescens. 

 Sporre decolores aut morbosae obscuratfe, long. circ. 0-200, crass. 

 0-022 millim., septis transversalibus 24 aut pluribus, cellulis lenti- 

 cularibus. In var. xantkostroma Nyl. Prodr. Nov.-Granat. 335, 

 Krempelh. /. c, transire videtur. 



6. T, (Ocellularia) rhodostroma (Mont.) Wain. Ascidium 

 Mont. Ann. Sc. Nat. 3 ser. Bot. xvi. 75, tab. 16, fig, 4 ; Syll, 864 ; 

 Nyl, Prod. Nov.-Granat. ed. 2, 335 ; Krempelh, Die Flechten-Gatt. 

 Ascid. 10. Ad corticem arborum in Roseau Valley (n. 123) et in 

 Morne Anglais (n. 521) in Dominica. Thallus verruculosus et 

 verrucosus aut aequalis et IcBvigatus. Verrucae apotheciorum ma- 

 teriam roseam, KHO solutionem smaragdulam effundentem, conti- 

 nentia. Sporfe solitarife, decolores, long, circ, 0'160-0'280, crass. 

 0-030-0-040 millim,, iodo violasceutes, Perithecium fuscescens 

 aut fusco-fuligineum, sursum incrassatum, basi deficiens, Hypo- 

 thecium albidum, columella nulla, 



7. T, (Ocellularia) excavat-am, sp, n. Thallus crassitudine 

 mediocris, continuus, leviter verruculoso-infequalis, stramineo- 

 glaucescens, nitidiusculus. Apothecia crebra, thallo immersa aut 

 verruculas parum elevatas circ. 0-5-0-6 millim. latas depressas 

 demum formantia, ostiolo sat parvo, circ. 0-15-0-2 millim. lato aut 

 minore, rotund-ato, margine osteolari integro, thallo concolore, 

 Perithecium superne pallidum, tenue, basi deficiens, columella 

 centrali, apice nigricante. Sporae Bnae aut rarius pr. p. 4nffi, de- 

 colores, 6-9-septatae, long, 0-018-0-040, crass, 0-007-0-014 millim,, 

 iodo violascentes. Ad corticem arboris in monte St. Andrews 

 (2000 ped. s. m.) in St, Vincent (n, 153). Verruculte apotheciorum 

 parum distinctae, pr. p. apice demum impress^. Sporae vulgo altero 

 apice rotundato, altero obtuso. A T. cavato Ach. verrucis apo- 

 theciorum baud aut parum evolutis et a T. exiguo (Miill. Arg. Lich. 

 Exot. i. 284) colore perithecii diflert. 



Var. iMPREssuLUM Wain. Thallus Isevigatus, feqvialis. Apo- 



