158 Zahlbruckner, Diagn. neu, u. ungenüg. beschrieb. kaliforn. Flechten. 
mm crassus, superficie punctulato-granulosus, subtus undiqug hyphis 
hypothallinis creberrimis, thallo loneioribus, ramosis et intricatis, 
9—10 w crassis, leptodermaticis , septatis (cellulis 17—20 w 
longis) vestitus; superne pseudoparenchymaticus, gonidiis destitutus, 
pseudocellulis rotundato-angulosis, sat magnis, 10—18 u longis, mem- 
brana modice crassa, in seriebus 3—5 horizontalibus dispositis; 
stratum medullare totum gonidia continens, ex hyphis verticalibus, 
leptodermaticis, ramosis, 5—5°5 w crassis, septatisque (cellulis usque 
17 w longis) formatum; gonidia scytonemea, glaucescenti-virentia, 
cellulis magnis, 8—12 « in diam., glomeruloso -concatenatis. Apo- 
thecia et pycnoconidia non visa. 
Ad terram argillaceo-sabulosam, Palm Springs, in lateribus ori- 
entalibus montium San Jacinto [Hasse no. 823 pr. p.] 
Psorotichia sguamulosa A. Zahlbr. nov. sp. 
Thallus ex squamulis formatus parvis, 0°3—1 mm latis et circa 
0°4 mm crassis, congestis, sinuato-vel rotundato - difformibus, planiu- 
sculis, in margine paulum assurgentibus, confluentibus vel subimbri- 
catis, fusconigris, madefactis obscure olivaceo-fuscis, subtus palle- 
scentibus, rhizinis destitutus; homoeomericus, hyphis leptodermaticis, 
crebre ramosis, septatis, hince inde toruloso -inaequalibus, 35—5 w 
crassis, cellülis 5—11 w latis, cylindricis vel submoniliformibus; 
sonidiis gloeocapsoideis, copiosis, in centro thalli glaucescentibus, ver- 
sus marginem thalli oliyaceis, KHO—. 
Apothecia minuta, 0° 350.4 mm lata, verrucis thallinis immersa; 
disco rufescente, opaco, concaviusculo; margine thallino integro, 
persistente; hypothecio fuscescenti-lutescente, ex hyphis dense con- 
textis formato, subtus zona tenui hyalina, quae in latere apotheciorum 
usque ad superficiem thalli assurgit; paraphysibus conglutinatis, 
simplicibus, in parte superiore rufescenti-fuscis, tenuiter septatis, 
1:9—2'3 w crassis, apice haud incrassata; hymenio 70—120 w alto, 
J. pallide coeruleo, demum vinose lutescente; ascis cylindrieis vel ob- 
longo - clavatis, 60—100 w longis et 10—21 w latis, 12—16 sporis; 
sporis simplieibus, hyalinis, ellipsoideis, 9—12 w longis et 5—6 u 
latis, membrana tenui. 
Pyenoconidia non visa. 
Ad saxa granitica, Palm Springs [Hasse no. 822]. 
Bilimbia gyalectiformis A. Zahlbr. nov. Sp. 
Thallus effusus, crassiusculus, circa 0°5 mm altus, irregulariter 
rimulosus, in superficie subpulverulento-leprosus et inaequlis, ochraceo- 
cinereus, opacus, in margine linea obscuriore non limitatus, made- 
factus mollis, fere subarachnoideus, KHO—, Ca C1,0,—, ecorticatus, 
strato medullari substrato affıxus; gonidiis palmellaceis, glomeratis, 
zonam continuam angustamque in parte superiore thalli sitam forman- 
tibus, magnis, usque 25 w im diam.; hyphis non amylaceis, sat dense 
contextis. 
Apothecia dispersa, immersa, gyalectiformia, minuta, circa 1 mm 
lata, nigra, opaca, thallo accessorie plus minus eincta; margine pro- 
prio nigro, inflexo, crassiusculo, subgranuloso - radiatim fisso; disco 
subplano, nierofusco, opaco et nudo; excipulo fuligineo, sat angusto, 
integro, non solum in latere sed etiam sub hypothecio evoluto; hypo- 
