1922] 



BURT — THE NORTH AMERICAN SPECIES OF CLAVARIA 11 



very pale yellow under the microscope, suboblong, slightly sig- 

 moid in side view, smooth, 11-13X3^.5 [i. Odor suggests that 

 of water cress. - C. U. herb., No. 19979, and 19979a, Chillicothe, 

 Ohio, rec'd Sept. 18, and Oct. 2, 1906, M. E. Hard." 



The original specimen, No. 19979, is now tawny olive in the 

 herbarium and discolored rather extensively sepia; the whitish 

 bloom of the fresh specimens has become lost in drying, and also 

 the odor of water cress; the spores are slightly colored 



1>1 in 



striate, 12-13x4-4% M- 



obtusissima Peck, N. Y. State Mus. Bui. 167: 39. 1913. 



Plate 



N. Y. State Mus. Herb 



"Much branching from a short thick whitish stem, the brancln 

 curving, dividing irregularly, enlarged above and divided in1 

 several blunt, wrinkled ends, longitudinally wrinkled, ochraceou 

 flesh white, taste mild; spores ochraceous in mass, oblong ( 



•ic, 12-16X5-6 m. 



10-12 cm. tall, 6-10 cm. broad 



of deciduous trees. West Ro> 



Hibbard." 



September 



The fructification grew on the ground, and is now between 

 pinkish buff and cinnamon-buff, with ends of many of the 

 branches, but not all, discolored to olive-brown, longitudinally 

 wrinkled, and flattened in drying; spores somewhat colored, even, 

 flexuous, 1 2- 1 4 X 3 Mr-4 y 2 u. I found no spores more than 4% \i 



thick. 



This species is noteworthy by the stout, loosely arranged main 

 branches which are without subordinate lateral branches for 

 nearly 2 centimeters and then dichotomously branched into ter- 

 minal branches having thickened, obtuse ends. 



6. C. formosa Persoon, Comment. Clav. 41. 1797; Icones et 



Dcscr. Fung. 11. pi. 3. /. 5. 1798; Syn. Fung. 585. 1801; Myc. 



Eur. 1: 162. 1822; Fries, Syst. Myc. 1: 466. 1821; Hym. Eur. 



671. 1874; Peck, N. Y. State Mus. Rept. 32: 36. 1879; Cotton 



& Wakefield, Brit. Myc. Soc. Trans. 6: 173. 1919. 



Plate 2, fig. 7. 



Illustrations: Persoon, Icones et Descr. Fung. pi. 3. j. 5; 

 Mcllvane, Am. Fungi, pi. 139, j. 3. 



