665 



black, white inside; stipe slender, equal, glabrous. Perithecia globose. 

 subimmersed, peripherical. Ostiola prominent, depressed-hemispheric- 

 al. Asci linear. Sporidia uniseriate, oblong, curved, opake. 

 On trunks. Costa Rica (Oersted). 



Resembles X. comiformis, but has a slender, very smooth, var- 

 nished, very fragile stipe, about 2 mm. thick, and when dry, cavernose- 

 rugose. Club or head about 1J inches long, J of an inch thick, obtuse, 

 bare, black, apparently rimose-corrugated, but really the surface is 

 only densely colliculose from the slightly prominent perithecia with 

 their papillose ostiola depressed. Perithecia rather large, exactly 

 globose, peripherical, subirregularly arranged, with the nucleus black. 



X. teutaculata, B. & Br. Grev. IV, p. 48, Cuban Fungi, 796. 



Stem an inch high, not a line thick. Head cylindrical, 1-2 lines 

 (2-4 mm.) long. Ostiola prominent, tending upwards, crowned by 

 several tentacular processes about J an inch long. Allied to Xylaria 

 comosa, Mont. 



In shaded swamps, among mosses and rotten wood, South Caro- 

 lina (Ravenel). 



Head subdavate; stipe short, thick or obsolete. 

 X. poly nio rpha, (Pers.) 



Sph&ria polymorpha, Pers. Cornm. p. 149. 

 Valsa clavata, Scopoli, Flora Carniol. p. 398. 

 A'y I aria clavata, Schranck, Bayrische Flora, II, p. 566. 

 Clavaria digitata and hybrida, Bull. Champ, de Franc. I, p. 192 and 194. 

 Sphczria digitata, Muller in Flora Dauica, XV, p. 6, tab. 900. 

 Xylatia polymorpha, Grev. Flora Ediu. p. 355. 



Exsicc. Fckl. F. Rh. 1061, 2267. Rab. Herb. Mycol. 428. Rehm Asc. 427. Ell. N. A. F. 

 1300. Plowr. Sph. Brit. 12. Roum. F. G. 666. Sydcnv, M. March, 183, 1655, 1736. 



Stroinata solitary or 2-6 or more cespitose-cpnnected at ba- 

 upriu'ht. either simple or cylindrical, subattenuated al>ove and below. 

 mostly obtuse; or obovote, compressed, more or less sublobate- divided, 

 o-lobose or otherwise irregular in shape, thick, bare, at first dirtv- 



C o .1 * 



brown, becoming black, not shining, very variable in size from 2-4 cm* 

 high and \ cm. thick, to 8-11 cm. high and 2J-3 cm. thick. Peri- 

 thecia crowded, tolerably large, ovate or globose, with a papilliform 

 ostiolum. Asci cylindrical, long-stipitate, 8-spored, 140-1 80 (p. sp)x 

 8-10 /A. Sporidia uniseriate, elliptical or fusoid. subacute at the ends. 

 subinequilateral or curved, continuous, brown, 20-30x6-9 p. 



On decaying stumps and logs, common. 



The head or perithecia-bearing part is much longer and larger 

 than the stipe which is very short or almost none. 



84 



