30 
MALME, BEITRAGE ZUR STICTACEEN-FLORA. 
bus laciniarum) isidiis numerosis, ± complanatis, ramosis or¬ 
nato differt. 
Pseudocyphellaria orygmaea (Ach.) * Urvillei (Del.) Malme. 
Sticta Urvillei DEL.; DELISE, Sticta (1822) p. 170 (e NYL.). 
NYLANDER, Syn. I (1860) p. 360. 
Patagonia occident.: ins. Grnaitecas, Isla Westhoff (Supra 
terram et ad truncos arborum. 18 28/ 4 9 7. Dus^n, Chii. & 
Patag. N:o 133.) et Melinca (Dus^n s. n.). 
Thallus intus KOH immutatus. Stratum corticale inferius 
vulgo e seriebus 3 cellularum formatum. Pars marginalis 
excipuli gonidia fovens. Paraphyses quam in genuina Ps. 
orygmaea (Ach.) apice obscuriores, saepissime distinctius cla¬ 
vatae. Sporce anguste fusiformes v. oblongo-fusiformes, apici¬ 
bus saepe acutiusculis, dyblastae v. tetrablastae, incoloratae, 
(38—)40—45(—50) g longae, (5—)5,5—6,5 g crassae. 
A Ps. orygmcea (Ach.), quacum quoad anatomiam sat bene 
congruit, habitu, laciniis angustioribus, recedit; verisimiliter 
formis intermediis conjunctae sunt. 
21. Pseudocyphellaria pilosella Malme n. sp. 
ICON: tab. nostr. II fig. 6 & 7. 
Thallus submonophyllus (specimen reportatum 10 cm. 
latum), irregulariter lobatus, lobis ± crenatis sinuatisve, supra 
scrobiculatus, (siccus) obscure sordideque ferrugineo-fulvus, 
pilis gracilibus, brevibus, subhyalinis, sat parcis ornatus, in¬ 
tus flavus (gonidiis nostocaceis), subtus luteo-flavescens, rhi- 
zinis incoloratis (v. centrum versus paullulum obscuratis), 
sat brevibus crebrisque vestitus, pseudocyphellis ± elevatis, 
luteis. Apothecia superficialia v. marginalia, sessilia, usque 
ad 5 mm. lata, disco nigro v. castaneo-nigro, opaco, margine 
tenui, integro, nonnumquam paullulum piloso. Pars margi¬ 
nalis excipuli nulla gonidia fovens. Thecium superne KOH 
roseo-violascens. Sporce obscuratse, dyblastse, (23—)25—28 
(—31) g longee, (6,5—)8—9(—10) g crassee. 
Argentina: P:to Blest ad lacum Nahuelhuapi (Dusen, Chii. 
& Patag. N:o 180 immixta). 
