162 Zahlbruckner, Diagn. neu, u. ungenüg. beschrieb. kaliforn. Flechten. 
Acta societ. scient. fennic., vol. XXVL, No. 10, 1900, pag. 31 notul. 
Hasse, Lichens South. Californ., edit. 2a, 1898, pag. 13. ‘ 
Thallus dilute castaneus vel castaneus, nitidulus, cartilagineus, 
squamulosus, squamulis discretis, sed plerumque approximatis, rotun- 
datis, convexiusculis, inaequali-rugulosis, 1—1'5 mm Jlatis et 
0:2—0'3 mm crassis, subtus fuscis, rhizinis destitutis, gompho brevi 
latiusculo substrato affixis, KHO—, Ca Cl, O,—, utrinque pseudo- 
parenchymatice corticatis, cortice superiore circa duplo crassiore, 
strato amorpho tecto, gonidiis sub cortice superiore zonam continuam 
formantibus, palmellaceis, 10—18 uw latis; medulla alba, ex hyphis 
laxiusculis, 3°5—4 w crassis, ramosis et tenuiter septatis leptoder- 
matieis non amylaceis formata. 
Apothecia in squamulis thallinis solitaria, immersa; disco e 
concaviusculo demum plano, usque 1 mm lato, nigricante, leviter 
glaucescenti-pruinoso; margsine thallino prominente, crassiusculo, ru- 
guloso-crenulato; epithecio granuloso; amphithecio pallido, ex hyphis 
longitudinalibus dense contextis formato; hypothecio pallido, sub- 
indistincte et sat grosse pseudoparenchymatico; hymenio pallido, 
160—180 u alto, J praecedente coerulescentia levi vinose rubente; 
paraphysibus dense conglutinatis filiformibus, supra obscure fuseis, 
KHO pallidioribus, simplieibus, eseptatis, apice capitatis; ascis saccato- 
clavatis, apice rotundatis, hymenio subaequilongis, myriosporis; sporis 
ovalibus, oblongis vel oblongo-bacillaribus, apieibus rotundatis, hya- 
linis, simplicibus, 3—6 u longis et 1’4—1'7 u latis, membrana 
tenuissima einctis. 
Pyenoconidia non visa. 
Ad terram nudam in montibus Santa Monica prope Soldiers 
Home, Los Angeles [Hasse no. 687]. 
Acarospora reagens A. Zahlbr. nov. sp. 
Thallus squamulosus, squamis rotundatis, irregularibus vel prae- 
sertim versus marginem thalli lobulatis, continuis vel subdiscretis, 
3—5 mm latis, crassiusculis, 0°5—0'7 mm latis, cinerascenti-albus, 
madefactus cinereus, opacus, dense albido-pulverulentus, KHO ferru- 
gineus, Ca Cl, O,—, superne corticatus, inferne nigricans, errhizinosus, 
medulla alba, J—; gonidiis palmellaceis, sat magnis, 12—25 u in 
diam., in parte superiore thalli pseudoparenchymatica sita. 
Apothecia in squamulis solitaria vel plura, thallo immersa, vel 
parum prominentia, sat magna, 1—1'8 mm lata, disco planiusculo 
ve] modice convexo, fuscoatro, opaco et nudo, madefacto rufescente; 
margine thallino integro, albo; hypothecio pallido, ex hyphis dense 
contextis formato; hymenio J intense coeruleo; paraphysibus con- 
glutinatis, articulatis, crassiusculis, apice clavatis et rufescentibus; 
ascis oblongo -cuneatis, 120—140 w longis et 27—30 u latis, poly- 
sporis; sporis simplicibus, hyalinis, globulosis, 5—6 u in diam. 
Conceptacula pycnoconidiorum thallo immersa, ovalia vel amphorae- 
formia, perithecio pallido, ostiolo minutissimo; fulcris exobasidiis, 
basidiis simplieibus, rectis, tenuibus, 16—18 w longis; pycenoconidiis 
late ovalibus vel subglobosis, 1’8—2 w longis. 
Ad terram nudam, Palm Springs [Hasse no. 815]. 
