Sclerotium.] FUNGI. 221 



raentous structure ; filled with a softer substance, at length more 

 or less hollow. — Named from -rys^jy, a fruit-sto?ie. 



1. P. ligndtile, Fr. (reddish-tvhite Pyrenium) ; subglobose 

 always hollow, mostly somewhat lobed pallid yellowish or 

 reddish-white. Fr. El. 2. p. 39. Grev. Scot. Crypt. FL 

 t. 276. 



On rotten wood, trunks of dead trees, &c. Appin, Capt. Carmichael. 

 Scotland, Dr. GreviUe. I hav'C not had an opportunity of examining 

 any individual of this genus, but it appears a true member of the 

 Sdcrotiacely connecting them admirably with Tremellini. 



44. AcROSPER^ruM. Tode. Acrospermum. 



Elongate, subclavate, subcartilaginous, within subhomogene- 

 ous ; apex at length somewhat tumid and pruinose from the 

 sporidia. — Named from uxpo;, the top, and <rT=f/xa, seed. 



1. A. compressumf Tode, (little black Acrosp>ermum) ; lanceo- 

 late or clavate somewhat compressed of an olivaceous black. 

 Tode, Fung. Meek. t. 2./. 1 3. Fr. Syst. Myc. v. 2. p. 245. Scler. 

 Sued n. 427. Grcv. Sc. Crypt. Fl. t. 182. ^Clav. herbarum, 

 Pers. Comm. t. 3. /. 4. Sow. t. 253. — Scleroglossum lanceola- 

 turn, Moug, ^ Nest.! exs. n. 671 — Clav. compressa, Purt. v. 3. 

 71. 1587. t. 19./. 3. 



On dry stalks of herbaceous plants ; not common. Lasswade, Dr. 

 GreviUe. Devonshire, Mr. Gihbs. Shotover Hill, Mr. Baxter. — 

 Plant 1^ — 2 lines liiL'h, at length concentrically grooved at the apex ; 

 when dry longitudinally sulcata and sometimes twisted. 



2. A. comulwn, Fr. (Jiorn'shaped Acrospermum) ; horn-shaped 

 even sulcate when dry red-brown, at length paler at the tip. 

 Fr. Syst. Myc. v. 2. p. 246. — Scl. coniutum, Fr. Obs. Myc. v. 

 I. p. 205. — Radix Ag. tuberosi, Bull. Bolt. Grev. I. c. 



On the gills of blackened Afjurics ; not uncommon — Often serving 

 as a matrix to A[/aricus fuberosits, which also grows on other Scleroti' 

 acei. " Gregarious between awl-shaped and conic ; curved, o — o lines 

 long, obtuse below, acute above." Fr. I. c. 



45. ScLEKuTiTM. Tode. Sclerotium. 



^^ore or less round, rootless, covered with a thin bark-like 

 epidermis, bearing fruit (but rarely), all round. — Named from 

 cx>.ri00',i kard. 



1. S. complanatuWy Tode, (compressed Sclerotium) ; erect, 

 stipitate or alnu)^t steuiless obovate compressed, at first whitis!» 

 then pale-brown, white within. Tode, Fung. Mtck. t. I. /. 9. 



r>]u'X\ young, is altogcthor a i-oiulonspd Spnrotr'uhnm, and when abort !vo from 

 :i suddfii cU'licit'iicy of inoistiirr, assumes thf usual appoaranri' ot that ^jimius. 

 'I'hf cpiplivtal Svlenitin, wliirli ahnosl appi-ar to bf alxtrtiv** Undines, may 

 rons«'(jii»'ntly, if my notion he correct, be but little allied to tlie more highly 

 Ucvelo])ed species. 



