880 TuberoideaB, Tuberacese, Stephensia. 



— Globoso-depressa, basi plicata, cribroso-porosa, initio dilute h 

 dia vel ferrugiaea, demumque nonnihil fuliginea, papillisque sul 

 lente minutissimis velata, bysso brunnea vel ferrugineo-fugaci t 

 cta; gleba sordide pallideque purpurea, cellulis magnis, parietib 

 albo-tomentosis cavata; ascis ellipsoideo-clavatis, duplici serie o; 

 dinatis, 7-8-sporis; sporidiis inordinate nidulantibus, globosis, o 

 tusissime gibberulis, fusco-rubris, 29-35 u. diam., nucleo pallido. 

 Hab. in arenosis in Britannia. — Fungus 2,5 cm. vel ultra 

 crassus; odor non pecuiiaris, debilis. 



2, Hydnotrya carnea (Corda) Zobel in Corda VI, p. 61, Hydnoboli 

 tes carneus Corda in litt., Rhizopogon carneus Corda manusc 

 Icon. vol. VI, f. 115. — Irregulariter tuberoso-gibbosa, fusco-fer 

 ruginosa, verrucis sub lente minutissimis notata; gleba amo3ne car 

 nea aut fere purpurea ; ascis elongato- seu cylindrico-clavatis, sim 

 plici serie ordinatis, 8-sporis ; sporidiis globosis, obtusissirae gib 

 berulis, fusco-purpureis, 33-34 y.. diam. 



Hab. in silvis in Bohemia. — Fungus 2,5-8 cm. crassus. 



3. Hydnotrya jurana Quel. Enchir. Fung. pag. 262. — Major, olida; 

 velo granuloso, cervino; ascomate amplius labyrinthico, albido; 

 gleba villosulo-fuscella; ascis ovoideis; sporidiis olivaceo-fulvis. 



Hab. in Jura Galliae. 



STEPHENSIA Tul. Compt. rend. de I'Acad. des Sc. XXI, pag. 1433 

 (1845), Hypog. p. 129, t. XII, fig. 4 (Etym. a cl. H. 0. Stephens 

 anglico), Genea p. p. Vittad. Monogr. Tub. p. 29. — Ascoraata to- 

 mentosa, fovea basilari aperta cavernulaque excentrica saepe do- 

 nata. Gleba venis difforraibus percursa, deliquescens. Asci cylin- 

 drico-elongati, 8-spori. Sporidia globosa, levia, hyalina. 



1. Stephensia bombycina (Vittad.) Tul. Hypog. p. 130, t. XII. fig. 4, 

 Genea bombycina Vittad. Monogr. Tuber. pag. 29, t. 3, f. 19 et 

 t. IV, f. 8, Berk. in Ann. aud. Nat. Hist. XIII. p. 357. — Subglo- 

 bosa, depressa, irregularis, pleruraque anfractuosa et sinuosa, fos- 

 sula basilari varie intrusa, interdura parura conspicua vel arabitu 

 gibboso abscondita, luteo-cervina ; gleba raolli, alba, venis ascoge- 

 nis gyrosis, flavis, cavernulisque variis tomento byssino subfarctis; 

 ascis elongato-cylindricis, obtusissirais, 8-sporis; sporidiis globosis, jf 

 levissirais, hyalinis, seriatira dispositis, inaequaliter 1-3-nucIeatis, \\ 

 19-22 a. diara. ^j 



Hab. sub terra in prov. Milauo Ital. bor., prope Paris Galliae Ij 



