Ai>n., 1887.] 
SEPTORIAS OF NORTH AMERICA. 
m 
Ions. 150—250 !>■ in diameter; sporules hyaline, liliform, flexuous, 6-9- 
septate, 80—100 x 3 /'-. On leaves of Lathy rus ochroleucus , Minnesota, 
L. maritimus , Massachusetts, a variable species. 
12. Septoria astragalicola, Pk. Torrey Bull. XII, p. 33. 
“Spots indefinite or obsolete ; perithecia black, hypophyllous, lentic¬ 
ular, 127—177 !>■ broad ; sporules subcylindrical, straight or slightly 
curved, obtuse, 40—60 x 5—6 sometimes plurinucleate, oozing out in 
whitish or faintly pinkish masses or tendrils. On leaves of Astragalus. 
Arizona. Differs from L. Astragali in the situation of the perithecia and 
character of the spots.” 
13. Septoria atropurpurea, Pk. 33d X. Y. S. Report; Sylloge 
III, p. 549. 
Spots subcircular, sometimes confluent, purple-brown on the upper 
surface, pallid in the centre, pale purple on the under surface, with the 
center yellow-brown ; perithecia few, brown or pallid, globose, epiphyl- 
lous, 60 !>■; sporules hyaline, filiform, straight or curved, 50—100 x 2 
On living leaves of Aster macrophyllus and A. cordifolia. New York and 
Pennsylvania. 
14. Septoria bacilligera, Winter. Jour, of Mycol. 1, p. 122. 
“Spots small, subangular or irregular, at times confluent, white, dry, 
mostly one millim. in diameter, surrounded by a black line ; perithecia 
scattered, minute, globose, black, membranaceous, stomatous, 80—90 !*■ 
in diameter; sporules numerous, hyaline, rod-shaped, often slightly 
enlarged at one end, mostly straight. 1—3-septate, at last constricted at 
the septa, 9—23 x 3—34 On leaves of Ambrosia trifida. Missouri. 
15. Septoria Baptisee, Cke. Sylloge III, p. 508 ; Rav. F. A., No. 
30; Ellis, N. A. F., No. 624. 
Spots suborbicular, purple; perithecia brown, innate, slightly prom¬ 
inent, mostly hypophyllous, 75—90 a in diameter; sporules hyaline, 
linear, straight or curved, nucleolate, 45—60 x 3 !>■. On leaves of Baptisia 
petfoliata. South Carolina. 
16. Septoria Besseyt. Pk. Bull. Torrey Bot. Club VI, p. 77; 
Sylloge III, p. 495. 
“Hypophyllous ; perithecia more or less abundantly scattered over 
the whole lower surface of the leaf, slightly prominent, at first pale fer¬ 
ruginous or subochraceous, then black; sporules large, cylindrical, 
obtuse, moderately curved, usually containing several nucleoli, 40—55 x 
4 /'-, oozing out in whitish or pinkish-white masses.” On living leaves 
of Fraxinus. Iowa. 
17. Septoria retulicola, Pk. 34th N. Y. S. Rep., p. 44 ; Sylloge 
III, p. 506. 
Spots red-brown, round or somewhat angular, pallid in the center, 
1—2 millim. broad ; perithecia black, subglobose, innate, slightly promi¬ 
nent, mostly hypophyllous, scattered, 75—80 ;>■; sporules hyaline, filiform, 
curved, entire, 30—45 x 1 !>■. On living leaves of Betula. New York. 
