150 Rhodora [AuGusT 
No. 4386. Rich heavy calcareous soil of flood-plain thicket. Not 
reported north of North Carolina. 
HEXALECTRIS SPICATA (Walt.) Barnhart. Near Williamsburg. 
In full flower July 3, 1921. No. 3915. Rare. Observed twice during 
the summer of 1921 on rich calcareous soil of wooded slopes in slight 
shade. This species is reported from Virginia in the second edition 
of Small’s Flora, but not in the second edition of Britton & Brown’s 
Illustrated Flora published two months later. In order to remove 
any possible uncertainty, this definite record from the state is pre- 
sented. 
*THLASPI ARVENSE L. Williamsburg, May 4, 1920. No. 2534. 
Weed in alfalfa field. Apparently not previously reported from Vir- 
ginia. 
PARNASSIA ASARIFOLIA Vent. Near Elko along the Chesapeake 
& Ohio R. R., Aug. 6, 1921. No. 4206. Growing in an open marsh: 
one station. Reported in the manuals as occurring only in the region 
of the Alleghanies. 
DECUMARIA BARBARA L. June 15 and Sept. 19, 1920. Nos. 2709 
and 3072. Apparently definitely reported in Virginia only from the 
Dismal Swamp, but common as a liana throughout the peninsula. 
*Lotus cornicuLtatus L. York County, east of Williamsburg, 
June 13, 1920. No. 2697. Frequent in flat pine woods in sandy soil. 
Not reported from Virginia in current manuals. 
*EUPHORBIA MARILANDICA Greene. West of Williamsburg, Sept. 
9, 1921. No. 4361. Dry soil of abandoned fields. This little-known 
and apparently local species has hitherto been reported only from 
eastern Maryland. Very probably it occurs at other stations in this 
region. It has been suggested that it may be a hybrid of E. corollata 
and E. cpecacuanhae, but, thus far, the latter has not been collected 
on the peninsula. 
** EUPHORBIA PROSTRATA Ait. Williamsburg, Oct. 16, 1921. No. 
4640. Weed on stone steps of old house, also along pavements. A 
tropical and subtropical species, which has apparently not been 
reported north of Florida, though it has been collected at Charles- 
ton, S. C. (B. L. Robinson). 
STEWARTIA PENTAGYNA L’Hér. South of Williamsburg, June 24, 
1921. No. 3818. Heretofore thought to be strictly confined to the 
mountains of the Alleghany area, this very beautiful shrub was found 
