334 
Mycologia 
3. Septoria Guettardae sp. nov. 
Spots large, 4-5 mm. or more in diameter; margin irregular 
and dark-red, the center of the spot becoming white and con- 
trasting strongly with the remainder of the leaf ; perithecia black, 
50 fjL in diameter ; ostiole about 24 /x in diameter ; spores curved, 
hyaline, many-guttulate, 28-38 X 2.4^11. (PI. iji, f. 5.) 
On leaves of Guettarda ovalifolia Urb. in Porto Rico : Monte 
Alegrillo, P75P (type). 
4. Septoria Lantanae sp. nov. 
Spots varying from 1-2 mm. in diameter, somewhat irregular 
in outline, sooty ; perithecia 76-96^4 in diameter; ostiole indefinite, 
about 40-60 /4 in diameter ; spores long, slightly curved or straight, 
several-septate, 24-50X2.4/4. (PL lyi, f. 4.) 
On leaves of Lantana camara L. in Porto Rico: 221X (type). 
This species differs decidedly from 6". Verbenae in the char- 
acter of the leaf spot which lacks the white center. 
5. Septoria Pityrogrammae sp. nov. 
Spots brown, indefinite ; perithecia 96 /x in diameter, black ; 
ostiole 20-30 IX in diameter ; spores long and thread-like, 3-4- 
spetate, sometimes apparently continuous, hyaline, curved and 
acute at both ends, 40-60 X 2.4 /x. 
On leaves of Pityrogranima calomelanos L. Indiera Frios, 
Maricao, 3484 (type). 
This species is near S', aquilina Passer, from which it differs 
mainly in spore characters, the spores of this species being dis- 
tinctly curved, acute at both ends and only one-half the diameter 
of the species S. aquilina on Pteris. 
6. Septoria asiatica Speg. Fungi Chilenses 168. 1910 
On leaves of Centella asiatica Urb. in Porto Rico: Vega Baja, 
Santurca San Sebastian, 263, 4231, 5207. 
7. Septoria Chelidonii Desm. Ann. Sci. Nat. II. 17: no. 1842 
On leaves of Argemone mexicana L. in Porto Rico : Guayama, 
5398. 
