— 4 — 
and polari-locular, i2// to ig/z long, 6// to g// thick, oblong-ellipsoid, the loculi 
approximate, the smaller spores simple and the endospore slightly constricted 
indicating the future septation, or these are distantly polari-locular, with or 
without a connecting tube, epithecium and cortex of thallus stained violet 
with KHO. 
On sandstone. Type locality near Adamana, Arizona. June, 1904. 
Type in herb. Hasse. Sawtelle, California. 
Plate II. T 7 'ichodon boi'ealis n. sp. 
Fig. I. Moistened capsule X 50. 
Fig. 2. Section of peristome X 270. 
Fig, 3. Section of base of lid X 270. 
Drawn by R. S. Williams 
