162 Hymenogastracefe, Rhizopogon. 



f. 1, Hi/slerangium rubescem Tul, in Anfl. Scicnc. Nat. II, XIX, 

 p. 375, Melanogaster Berkcleyanus Br. Ann. Nat. Hist. 1845, 

 p. 41, Mylitta roseola Fr. Ind. Syst. p. 178, Splanchnomi/ces ro- 

 seohis Corda in Sturm. D. C. Fl. III, p. 5, t. 11? Splanchnom>/ces 

 Klotzschi Corda Icones VI, tab. VIII, f. 75, Hymenangiura vi- 

 rens Klotzsch in Dietr. Fl. Kon. Pr, VI, p. .'382, Rhizopogon al- 

 bus Wallr. Fl. Crypt. Germ. n. 4148, Rhizopogon luieolus Kromb. 

 non Fr. , Splan:hnomyces virens Corda Icones VI, tab. VII, 

 f. 71, Rhizopogon virens Kronib. t. 60, f. 13-20 non Fr., Tu- 

 ber cesticum Spr. Syst. IV, p. 416 nec alior. R. ccstivus Fr. S. M. 

 II, p. 294, Tuber album Alb. etSchw. Nisk. p. 77, non Rull., Tuber 

 htteitm Reg. in herb., Lycoperdon ccstivum Wulf. Plant. Carint. 

 p. 349, Hymenangiimi cvstivum Rabenh. D. C. Fl. I, p. 250. — 

 Ovatus, oliviformis vel globosus, initio candidus et aere rubescens, 

 maturus livide luteus vel olivaceus, fibrillis parcissimis instar ra- 

 dicum instructus; peridio tenuissimo interdum hinc inde subevani- 

 do vel varie rimoso, exsiccato crispato-rugoso ; gleba mire cellu- 

 losa ex albido tandem penitus olivacea et tota fatiscente; cellulis 

 minutis creberrimis, semper vacuis; sporis 2-8 in quoque basidio, 

 sterigmatibus vix distinctis fultis, elliptico-oblongis, utrinque ob- 

 tusis, levibus, 1-2-guttulatis, 7-9 s; 3, subhyalinis. 



Hab. praesertim in silvis arenosis penitus hypogaeus, rarius se- 

 miepigaius, gregatim in Italia, Gallia, Germania, Anglia, Bohemia, 

 Austria, in America boreali et pr. Minussinsk Sibirioc. — Fungus 

 1,5-3 cm. latus, primo firmulus dein emollitus, odore debili sub- 

 nullo donatus. — Var. Vittadinii Tul. loc. cit. Hysteromyces vul- 

 garis Vittad. in Not. Lomb. I, j). 341 : crassior, sa^pius epigaius, 

 vix prima a^tate rubens; sporis paullo minoribus dilutioribusque. 

 Prope Milano Italia^ borealis et pr. Olbiam Gallia?; etiam in Ger- ■ 

 mania. 

 3. Rhizopogoti graveolens (Vittad.) Tul. Fungi Hypog. p. 88, Hystc- 536 

 romyces graveolens Vitt. in Notiz. nat. civ. Lomb. I, p. 341. - 

 Minor, subglobosus, irregularis, transversim ut plurimum elonga- 

 tus; peridio levi, alutaceo. dein fusco; fibrillis radicantibus raris, 

 lenuibus, albis; gleba primum dura compacta; cellulis minutis ra- 

 rioribus; sporis dilute coloratis. 



Hab. solitarie in pinetis prope Milano Italine borealis. — Fun- 

 gus humo semiimmersus, piri vel nucis avellanae magnitudinem me- 

 tiens, raro major, odore acerrimo, fcetido donatus; sporae magnit. 

 fere ut iii R. hUeolo. 



i 



