86 
The young pores are very shallow and the stem appears reticu- 
late-veined nearly to the base. As the pores become older they 
deepen and those nearest the base of the stem become more or 
less obscured. 
In pine woods, Auburn, Alabama, Dec., 1896. Mrs. F. S. 
Earle. 
PUCCINIA POLYSORA N. Sp. 
II., 111. Amphigenous; sori very small, short, very numerous 
but irregularly scattered, remaining long enclosed in the tough 
epidermis of the host, at length rupturing by a narrow slit ; uredo- 
spores large, broadly oval, 35 x 30 y, scarcely echinulate, the epi- 
spore of medium thickness, pale rusty brown; teleutospores varia- 
ble, usually short, irregularly oblong, often somewhat constricted 
at the septum, averaging 25 x 40 p, the cells often irregularly angled, 
the upper usually broader than long, blunt or rounded above ; apex 
not thickened ; pedicel usually short. 
On Titpsacum dactyloides, Auburn, Alabama, August and Octo- 
ber, 1891, B. M. Duggar. 
USTILAGO SPARSA N. sp. 
Parasite infesting occasional ovaries and transforming them 
into somewhat sphaerical olivaceous pustules covered by the 
changed and roughened seed coat, 1-3 mm. in diameter, the re- 
mainder of the inflorescence unchanged; spores regularly oval, 
distinctly echinulate, about 7-9 » in length. 
Related to U. neglecta Niessl. and U. spermophora B. & C.,.but 
distinguished from them by its larger pustules and smaller spores. 
It has nothing in common with U. Dactyloctaenti P. Henn. Die 
Pflanzenwelt Ost-Afrika, 5 : 48 which occurs on the same host, has 
dark violet horn-shaped sori and sm oth spores, 10-14 p. 
In scattered ovaries of Dactyloctenium Aegyptium, Auburn, Ala- 
bama, November, 1895, and October, 1896. Underwood & Earle. 
Febrvary 8, 1897. 
An undescribed Lechea from Maine. 
By EvucGeEne P. BICKNELL. 
One of the most characteristic plants of York Harbor, Maine, 
is a species of Lechea which abounds in dry open places, especially 
