Yale University Herbarium

YU.005664

PLANTAE EXSICCATAE GRAYANAE

104. *Lycopodium obscurum* L.

Sp. ii. 1102 (1753); Bigelow, Fl. Bost. 258; Lloyd
& Underw. Bull. Torr. Club, xxvii. 161; Robinson &
Fernald in Gray, Man. ed. 7, 56; Britton & Brown,
Ill. Fl. ed. 2, i. 45, fig. 106.

Syn. *Lycopodium dendroideum* Schkuhr, Krypt.
Gewächs. 164, t. 164 (1809), not Michaux. *L. den-
droideum* Michx., var. *obscurum* Wood, Class Book,
456 (1845).

An exceptional form with habit and spikes of typical *L. obscurum* but with
the equal and spreading leaves of var. *dendroideum*.

Dry deciduous woods, North Woodstock, New
Hampshire.

Coll. M. L. FERNALD.

July 27, 1915.