Euphorbia nutans Lag.

ANNOTATION LABEL
Revision of New World Euphorbieae
Euphorbia maculata
Det.: Louis C. Wheeler 19 39
PLANTAE EXSICCATAE GRAYANAE
SlPfKJPJANICAL GARDEN
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229. Euphorbia nutans Lag.
Nov. Gen. et Spec. 17 (1816). Boissier’s identifi-
cation of this species as identical with the later E.
Preslii Guss. has recently been verified (acc. Dr. A.
Thellung in litt.) by Dr. E. Bonnet through a critical
reexamination of an authentic specimen in the
Cosson Herbarium.
Syn. Euphorbia Preslii Guss. FI. Sic. Prod. i. 539
(1827); Boiss. in DC. Prod. xv. pt. 2, 23 (1862). E.
hyperidfolia Gray, Man. ed. 1, 407 (1848), not L.
Chamaesyce nutans (Lag.) Small, FI. S.E.U.S. 712
(1903); Millsp. Field Mus. Bot. Ser. ii. 396 (1914),
C. Preslii (Guss.) Arthur, Torreya, xi. 260 (1912).
Suberect or much inclined but never prostrate.
Variable as to spotting of the leaves.
Very abundant in grassy places, but chiefly in
loosened soil along open roadsides, Bloomington,
Illinois.
Coll. B. L. Robinson. August 28-September 5,1904.
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