LICHENES EXTRA-EUROPÆI. 123 
Menegazzia hausteriis et in subgenere £uparmelia rhizinis adhærens ; in subgenere Anzia 
rhizinæ e strato medullari albo ortæ stratum spongiosum trajiciunt. Apothecia supra 
thallum sparsa, sessilia aut pedicellala; excipulum corticem thalli cortici similem, gonidia, 
hyphas gonidiales et swpe medullam continens ; hypothecium sæpius albidum e duobus 
stratis arcle junctis non raro conslans; epilhecium amorphum; paraphyses articulatæ, 
vulgo ramosæ, ramis plerumque anastomosantibus ; sporæ incolores, simplices, rectæ aut 
rarius curvatie, raro 2"* vel 4, sæpe 8", rarius (in plerisque Anziæ speciebus) numero- 
sissimæ in thecis. Spermogonia in thallo immersa, apice nigro demum prominulo, 
intus infuscata aut rarius incoloria ; spermatia brevia aut longa, recta vel curvula, 
cylindrica, bifusiformia, subbifusiformia vel rarius subfusiformia; sterigmala pauci vel 
pluri-articulata, brevia aut elongata, raro anaphysibus seu filamentis arliculalis immixta. 
Subgenus I. — MENEGAZZIA Wain. 
Étud. Lich. Brés. (1890), I, p. 27; genus Menegazzia Mass. Nægenea Lichenum (1854), 
p.3; Hypogymnia Nyl. in Flora 1881, p. 537, et apud Hue, Addend. Lichenogr. europ. 
(1886), p. 46, et Lich. exot. (1892), p. 84. 
Thallus anguste laciniatus, procumbens aut partim erectus; laciniæ plus minusve 
cylindrico-inflalæ et rhizinis deslitutæ atque substrato passim hausteriis affixæ ; me- 
dulla nuda. Apothecia cupuliformia aut ampullaceo inflata, sporæ 2, 4 vel 8". 
202. Parmelia physodes Ach. Method, Lich. (1803), p. 250, Lichenogr. univ., p. 492, 
et Synops. Lich. 218, Nyl. apud Hue, Lich, exot., n. 738, Müll. Arg. Princip. classif. Lich. 
Genève, p. 33, Th. Fr. Lichenogr. scand., p. 117, Tuck. Synops. N. Americ. Lich. I, p.59, et 
Lich. Americ. septentr. exsicc , n. 72; Lichen physodes L. Spec. Plant. (1753), p. 114 ; 
Lobaria physodes Hoffm. Deutschl. Flor. 1 (1795), p.150 ; Zmbricaria physodes DC. Flor. fr.I 
(1815), p. 393 ; Hypogymnia physodes Nyl. Lich. envir. Paris, p. 39; Parmelia ceratophylla 
4 physodes Schær. Lich. Helvet. exsice.,n.366 ; Zmbricaria physodes DC., Hepp. lecht. Europ., 
n. 584, Arn. Lich. exsicc., n. 2972, et Lich. monac. exsice., n° 146, 225 et 375; Parmelia 
physodes Ach., Malbr. Lich. Norm., n. 272, Oliv. Herb. Lich. Orne, n. 10, Flag. Lich. 
Franche-Comté, n.166, Harm., Lich. Lothar., n. 316. 
In Asia: 1. In Japonia legil R. P. Faurie betulicolam in Togakushiyama, n. 775, 
17 septembris 1898 , in ins. Nippon saxicolam in summo monte Gansu, n. 742, 12 au- 
gusli 1898. — 2. In China, prov. Yun-nan, legit R. P. Delavay corticolam in Yen-tze-hay, 
20 8! 1885. 
In America: 1. In Canada prope Otawam corlicolam legit R. P. Couet, anno 1889. — 
2. In ins. Miquelon legit D° Delamare anno 1887 et comm. D' Viaud-Grand-Marais. 
Cuncta specimina slerilia ; jam observala fuerat hæc Parmelia in ins. Miquelon, Hue, 
Lich. Miquelon, p.45; /mbricaria physodes DC., Arn. Lich. Miquelon, p. 142, et Lichenol. 
Fragm., n.xxix, p. 8, Delamare, Renault et Cardot, Florul. Miquelon, p. 72. 
Thallus albido vel viridi flavescens, decumbens et apice ascendens, substellatus, 
lacinialus, nitidus, K flavens et addito CaCl nonnihil aurantiacus ; laciniæ 1-2 mm. latæ, 
paruminflalæ, varie ramosæ, ramis imbricatis, superficie læves, apice integræ crenatæve, 
ascendentes et sæpe elevato-recurvæ el tum sorediatæ ; sublus rugosæ, nigræ et apicem 
versus brunneæ. In cortice superiore 25-30 4 lalo, toto aut superne tantum fuscidulo et 
corpusculis replelo, hyphæ superficiei perpendiculares, indistinctæ, septalæ ramosæque, 
ramis anastomosantibus atque retem maculis parvulis et satis æqualibus, lumine parvo, 
efficientes. Gonidia 9-11 w lala in strato conlinuo sub cortice posila. Medulla nuda ex 
