371 
Liehenologische Beiträge 
- von 
Dr. J. Müller. 
Rx; 
XXXV. 
1607. OmphalaNa arabica Müll. Arg.; thallus olivaceo-nigricans, 
turgidns, umbilicato -alfixus, nunc subseutellari-integer, concavus, sub- 
tortuosus, 1—2mın lafus, nunc major, magis lobato-v. sublaciniato-divisus 
et quasi pulvinatim mü Alus4 demum lobulis corallinis eonfertis ob- 
tusis 'he—"'s mm Jatis obteetus et Synattssae_speciem simulans; hyphae 
thallinae laxae; gonidia olivacca, tetraedrice ordinataet-didyma, glomeruli 
18-23 u diametro aequantes; apotheeia "a -1 mm lata, plana-ziera, 
mareine prinimm:. crasso prominente at dein valde attenuato et integrö — 
eincta; epithecium late füsto=niericans; sporae simplices, ellipsoideae et 
fere globosae, 10—12 u longae, in ascdıs e, superne biseriales. — 
Inter O. pulvinatam Nyl. et O. quinguetuberam MUT Are-guasi medium 
tenens. Extus diversissimum Collema pulposulnm Nyl. (e regione simaitiea) 
fere refert. — Ad terram in Wadi Mokattab in peninsula sinaitica: Dr. L.—— —— 
Rütimeyer (comm. Prof. L. Fischer). 
1608. Stereocaulon maerocephalum Müll. Arg.; St. strietum Nyl. 
Syn. p. 239 pr. p., non Th. Fr.; laxe caespitosum, rigidum, eximie stri- 
gosum, macrocarpum; podetia eirc. pollicaria, erecta, valida, simplieia 
v. apice pauciramulosa, tota longitudine phyllocladiis subsecundo - strigo- 
sissima; phyllocladia eire. 2!’ mm longa v. superiora breviora, vulgo 
simplicia, hine inde bifurcata v. infima magis divisa, subulato-digitiformia, 
sensim obtuse acuminata, cum podetiis corticata et laevia, cinereo-albida ; 
cephalodia sessilia, subglobosa, scrobiculato - inaequalia, concolora v. vix 
obseuriora; apothecia terminalia, solitaria aut ad apicem podetiorum 
aggregata, eirc. 27e—4 mm lata, biatorina; receptaculum basi hemi- 
sphasricum v. demum subplanum ; discus mox hemisphaerieo-eonvexus, 
fuscus; sporae in aseis 8-nae, spiraliter contortae, anguilliformes, 150—200 u 
longae, undique 5 « latae, ad extremitates obtusae. — Juxta $t. pilul- 
ferum Th. M. Fries et St. strietum ejusd. locandum est. — Saxicola supra 
Bhowani, alt. 12—14000 -ped. in parte sept. oceid. Indiae orientalis: 
Duthie n. 5297 in hb. Kew. 
1609. $Stereocaulon botryophorum Müll. Arg.; depresso-caespitosum, 
eirc. sesquipollicare et minus, validum, rigidum et albidum; podetia 
majora 2’e—A mm crassa, patenter et subsquarroso -paueiramosa, latere 
superiore undique phyllocladiis copiosis valde divisis ineiso - lobatis et in 
granula obtuse conica v. hemisphaerica abeuntibus ornata, latere inferiore 
nuda et glabra, subeompressa; cephalodia stipitata, concolora, dein livido- 
obseuriora, uviformia, se. extus quasi uvarum instar e glohnlis aggresafis 
composita: apothecia ignota. — Primo intuitu St. «/pinum Laur. valde 
robustum simulat, sed cephalodia stipitata et primum eoncolora affinitatem 
majorem forte indicant cum grege St. ramulosi Ach., a quo statim jam 
cephalodiorum forma distinguitur. — Saxicola supra Ihala alt. 12—13000 
ped. in parte sept. occid. Indiae orientalis: Duthie in hb. Kew. 
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