95 
melanocarpa, Torr. and Gray, New Rochelle ; Amelanchier Cana- 
densis, Torr. and Gray, var. oblongifolia, Gray, Huckleberry 
Island ; “Carum Carui, L., spontaneous at New Rochelle; Valer- 
iana officinalis, L., Pelham Neck; Plantago decipiens, Barneoud, 
New Rochelle; Veronica Buxbaumii, Terore, New Rochelle; 
Calystegia sepium, R. Br., var. repens, Gray, Pea Island; Asele- 
pias incarnata, L., var. pulchra, Pers., Pelham; Potamogeton 
pusillus, L.., Portchester; Spartina cynosuroides, Willd., Hun- 
ter’s Island; Zripsacum dactyloides, L., Hunter’s Island. 
EDWARD H. Day. 
Plurality of Embryos in Quercus alba. 
On Staten Island, in March, 1886, we found the acorns of the 
white oak, Quercus alba, which had sprouted, with radicles four 
or five inches in length. In pulling up a number of them we 
found one which differed from all the rest in being what I have 
called “double,’ having two radicles and four cotyledons. It 
resembled the others in the size and shape of the cotyledons, but 
these were divided one-third of the distance from the main radi- 
cle into two smaller irregular lobes, which gave rise in their turn 
to a smaller radicle. The above diagrams will illustrate the struc- 
+ E.G. B. 
Index to Recent American Botanical Literature. 
Aicidium Phryme,n.s. Byron D. Halsted. (Journ. Mycol., 
p. 52.) This Acidium was found on Phryma Leptosta- 
eee at Spirit Lake, Iowa, in july, 1885. 
Botanical Contributions, 1885. Asa Gray. (Proc. Amer. Acad. 
Arts and Sciences, xxi., pp. 363-413-) 
I.—A Revision of the North American Ranunculi.—Since sid 
ture. 
