118 A. -M. HUE. 



apicibus altenuatis rotundisve aut triangula, rarius stibsphsérica et vel in tota superficie 

 vel partim tantum pluri-sulcata. 



In apotheciis semel sulcatis unicum hymenium ; in hoc epithecium nigrum, paraphyses 

 100 ix altse, 1 ^ crassa 1 , simplices et apice non incrassatae, hypothecium ex hyphis verli- 

 calibus stricte coadunatis et usque ad excipuli corticem 20 jjl latum, nigrum et pseudo- 

 parenchymaticum descendentibus constans; in caeleris apotheciis duo vel tria hymenia, 

 utroque latere cortice nigro, nunc libero, nunc pro maxima parte vicino conjuncto ; 

 nulla gonidia in his apotheciis. Sporre simplices, ellipsoidefe, 20-24 jjl longa? et 10-13 a 

 latœ. Gelatina hymenialis iodo c?erulescens et dein obscurata, amoto reagentis excessu, 

 sic tincta remanens. 



Tab. V fig. 5, thallus juvenilis; fig. 5 bis , thallus optime evolutus, uterque cum apo- 

 theciis et in naturali statura ; fig. 5 ter , tria apolhecia, unum semel sulcatum, secundum 

 oblongum, tertium triquetre et pluri-sulcata atque circiter decies aucta. 



379. Umbilicaria proboscidea DC. FI. fr. II (1815) p. 410 (exclus, var. a et p), Linds. 

 Mem. Spermog. filament. Lich. p. 188 et tab. IX, fig. 18-19, Nyl. Lich. Scand. p. 116 et 

 Synops. Lich. II, p. 12, Tuck. Synops. North Americ. Lich. I, p. 84 et Lich. Americ, 

 septentr. exsicc. n. 49, Miill. Arg. Lich. Yatab. p. 192 ; Lichen proboscideus L. Spec. 

 Plant. (1753) p. 1150; Gyrophora proboscidea Ach. Method. Lich. (1803) p. 105, Liche- 

 nogr. unir. p. 220 et Synops. Lich. p. 64, Tulasne Me'm. Lich. tab. VIII, fig. 13-20, Nyl. 

 apud Hue Lich. exot. n. 1039, Th. Fr. Lichenogr. scand. p. 162 et Mail. krg.Lich. Yatab. 

 p. 192; Umbilicaria corrugata Hoffm. Plant, liclienos. (1795) lab. XLIII, fig. 4-7; 

 U. caria var. deusta Leight. Brit. Umbil. p. 17; U. polymorpha var. deusta Schœr. Lich. 

 Helvet. exsicc. n. 148; Gyrophora proboscidea Ach., Harm. Lich. Lolhar. n. 406 et Arn. 

 Lich. exsicc. n. 1726. 



In Asia : in China, prov. Yun-nan, saxicolam in monte Tsang-chan legit R. P. Delavay, 

 8 junii 1883. 



Thallus fuscescenti-nigrescens, monophyllus, 3-4 cent, latus, rigidus, orbicularis, 

 supra reticulato-rugosus et in centro reticulato-costatus, totus et intensius in medio 

 pruina albida superfusus; in peripheria sat late atque interdum profunde lobatus, lobis 

 ambitu laceris; intus albus et in regione gonidiorum CaCl rubens ; subtus nunc pallide, 

 nunc obscure cinerascens, lsevis aut rarius lacunoso-impressus, nudus vel paucis rhizinis 

 non fulcrantibus munilus. Cortex superior 20 p. latus, albidus, nudus et superne nigricans, 

 pseudoparenchymalicus, ex hyphis superficiel perpendicularibus, conslricte septatis, saepe 

 inler gonidia incipientibus atque cellulas parvas pr.Tbentibus constans. Gonidia 8-14 u. lata 

 in strato sa?pe interruplo et materia albida non crassa teclo. Medulla angusta ex hyphis 

 5-7 a latis, superficiel parallelis et interdum perpendicularibus, laxe et prope gonidia laxis- 

 sime implexis constituta. Cortex inferior 30 ;j. latus, in parte externa et brunnea pseudo- 

 parenchymaticus et in parte interna albida ex hyphis conslricte septatis ramosisque, ramis 

 anastomosantibus, constans. Apothecia 1-2 mm. lata, supra thallum dispersa, sessilia, 

 margine tenui atque disco gyrose plicato munita. Excipuli cortex in imo apothecio 50 à u 

 lalus et pseudoparenebymaticus, dein medulla sine gonidiis et tandem hypothecium 

 nigrum; in ejus aulem laleribus cortex 40 (/. latus et ex hyphis septatis strictissimeque 

 implexis constans; epithecium nigrum et in lobis apothecii descendens; paraphyses arti- 

 culata\ 2 u. crassa. 1 , nec ramosa 1 , nec apice incrassatae ; spone non rite evolutae ; in Nyl. 

 Synops. Lich. I, p. 12, 12-18 a longae et 6-8 p lata?. Gelatina hymenialis iodo vinose 

 rubens. Quoad spermogonia conf. Tulasne Mém. Lich. p. 182 et tab. V, fig. 18-20; sper- 

 matia cylindrica, recta, 3-4 u. longa et 1 a crassa. 



In uno ex his speciminibus chinensibus thallus est minus divisus elrugis minus notatus. 



