258 



Perithecia .-Bartered thickly over the lower surface of the ieal. 

 subhemispherical, 120-150 // diam.. covered by tlie blackened cuticle 

 dually collapsing. Ostiolum papilliforin, at length perforated. Asci 

 oblong-, sessile, 35-40x8 /i, s-spored. Sporidia biseriate, ovate-ellip- 

 tical, continuous. suMiyaliiie. 10-12x 3-4 ft. in shape very much like 



apple seeds, 



On fallen leaves of Qnc.rcus cocci nca. Ohio and New Jersey. 



L. Leiu'othoes. (Cke.) 



Leucothoes, Cke. Jouru. Bot. 1883. 

 I^rstadia Leucothocs, Sacc. Syll. 6009, Cke. Syn 5247. 

 Exsicc. Rav. F. Am. 687. 



Epiphyllous. Spots whitish, suborbicular, confluent, with a red 

 Niianrin. IVrithecia very small, immersed, with the punctiform ostiola 

 emergent, black. Asci clavate-cylindrical. Sporidia elliptical, con- 

 tinuous, hyaline, 13-15x4J ;i. 



On leaves of Leucothoc, South Carolina. 







L. .Esculi. Pk. 39tli Rep. p. 51. 



Perithecia small (150 //), lenticular, covered by the epidermis. 

 erumpent, opening by a minute pore, black. Asci subclavate. Spo- 

 ridia croAvded. subelliptical. colorless, 8J-10x5-6| JJL. 



On fallen petioles of horse chestnut, Albany. X. Y. 



(Immature Sphwrella petiolicola) ? 



L. h?pmatodes, (B. & C.) 



Sphcerella hczmatodes, B. & C. in Herb. Berk. (Cke. in Journ. Bot. 1883, p. 70). 

 htfrnahydes, Cke. Syn. 5245. 



Epi])hyllons. Spots orbicular, scattered or confluent, dark red. 

 broadly margined. Perithecia very small, black, semiinnate. puncti- 

 Ibrni. Asci cylindric-clavate. S|oridia narrow-elliptical, continuous, 

 hyaline, 8-10 x2J /t. 



On Kuluiw f/l<n<ca, United State>. 



Cooke in Journ. Kot. 1883. p. 70, says. : Very similar externally 

 to Sphmrdht colorata, but asci and sporidia are little more than half 

 as long and sporidia not septate as far as seen, but immature, as tliey 

 failed to leave the asci." 



L. stigmatodes, (B. & C.) 



Sph&rella. stigmatodes, B. & C. (Cooke in Journ. Bot. 1883, p. 68). 

 L&stadia tfigmatode.s.. Sacc. Syll. 5999, Cke. Syn. 5179. 



Perithecia scattered, punctiform. (resembling . punctiformis). 



