DESCRIPTION OF PLATE 180. 
1. A portion of a stem after fruition, from Wenham, Mass., Nov. 23d, 1886. 
2. A section ofa stem. 
3. Leaf. 
4. A bract, outer view. 
pees Soe 5. A bract, inner view, showing theca. 
Se Oe 6 and 7. Two views of a spore < 250. 
(2-5 enlarged.) 
