90 THE AMERICAN BOTANIST. 
Sporangia, moreover, are situated on the frond at a slight 
distance from the margin in Lindsay a ^ while in Adiantum 
the sporangia grow from the reflexed lobes that form the 
indusium. Some tropical forms of maiden-hair have 
elongated sori that might incline one to think them 
members of the Pteris genus, but in this latter the sporan- 
gia are in a continuous marginal sorus and covered by 
the reflexed edge of the frond — Willard N. Clute in The 
Fern Bulletin. 
A NEW YARROW? 
BY MRS. C. E. PEASE. 
LAST August (1904) I went with a party of friends from 
Portland, Me., on an excursion through the White 
Mountains, stopping at the Fabyan House about half 
an hour for lunch. Most of the excursionists hurried off 
the train to the hotel, while I, and a few others, strolled 
about to enjoy the views and to investigate the growing 
things to see what we might find unlike what we were 
familiar with at home. 
Immediately I noticed across the track, spreading up 
over the sloping bank, an abundance of white bloom 
clothing the ground as thickly as daisies in a neglected 
field or the golden buttercups in a meadow. *'What is 
that looking so much like yarrow?" I exclaimed, hurry- 
ing over for a closer inspection. It proved to be yarrow, 
but so different in general appearance as to seem not to be 
when viewed at a slight distance. It was more robust 
throughout the entire plant than the common Archillea 
millefolium. The stalks were somewhat stouter, the 
cymes broader and heavier in character, the little white 
outer ray-flowers larger and the leaves seemed coarser. 
My sister, more of a botanist than myself, noticed that 
the receptacles were sharply conical and remarked that 
she never before saw a yarrow with other than a flat 
receptacle. I could not recall ever seeing yarrow growing 
in such an extended patch — thickly covering quite a hill- 
side. I usually find it common enough, but onl3^ a limited 
