238 The North American Cup-Fungi 



slightly pubescent; asci cylindric or subcylindric, reaching a 

 length of 200 ij. and a diameter of 20 /^; spores 1-seriate, ellipsoid, 

 hyaline or subhyaline, 12-14 X 20-22 /x; paraphyses stout, cla- 

 vate, hyaline or subhyaline. 



On the ground in open places, often in margins of wooded 

 areas. 



Type locality: Europe. 



Distribution: New York to Montana and Iowa; also in 

 Europe. 



Illustrations: Atkinson, Stud. Am. Fungi ed. 2, pi. 86 

 Bond. Ic. Myc. pi. 194; Cooke, Mycographia pi. S4, f. 319 

 Gill. Champ. Fr. Discom. pi. 14; Krombh. Abbild. pi. 16, f, 1-2 

 Hedwigia 25: 136; Mem. Inst. 509,/. 2. 



2. Morchella esculenta (L.) Pers. Syn. Fung. 618. 1801. 

 (Plate 36, fig. 2.) 



PhaUus esctdeiitus L. Sp. PI. 1178. 1753. 



Morchella esculenta rotunda Pers. Syn. Fung. 619. 1801. 



Morchella esculenta vulgaris Pers. Syn. Fung. 619. 1801. 



Morchella continua Tratt. Fungi Austr. 67. 1830 (in part). 



Morchella esculenta fulva Fries, Syst. Myc. 2: 7. 1822. 



Morchella esculenta longipes Peck, Ann. Rep. N. Y. State Mus. 28: 87. 1876. 



Phulloboletus esculentus Kuntze, Rev. Gen. PI. 2: 865. 1891. 



Morchella rotunda Bond. Soc. Myc. Fi. 13: 135. 1897. 



Morchella vulgaris Bond. Bull. Soc. Myc. Fr. 13: 139. 1897. 



Morilla escidenta Quel. Ench. Fung. 271. 1886. 



Pileus subglobose, ovoid, or elongated, occasionally attenuated 

 upwards but obtuse at the ape.x, varying much in size but often 

 reaching a diameter of 4-5 cm. and a length of 7-9 cm.; pits 

 rounded, irregular, or occasionally longitudinally elongated, 

 yellowish within, becoming brownish or blackish when dry, 

 reaching a diameter of 5 mm. to 1 cm.; ribs irregularly anasto- 

 mosing, not longitudinally disposed, the edges rounded, about 

 1 mm. thick and lighter colored than the interior of the pits, 

 usually whitish or yellowish ; stem stout but not usually exceeding 

 two-thirds the diameter of the pileus, usually a little enlarged 

 at the base and irregularly lacunose, nearly even above, whitish 

 to yellowish, lighter than the pileus, delicately pubescent, 

 reaching a length of 200-250 ix and a diameter of 18-20 m; spores 

 1-seriate, ellipsoid, hyaline, yellowish in mass, 12-14 X 20-24^1 

 paraphyses strongly enlarged above, where they reach a diameter 

 of \S IX, faintly colored. 



