bellate. Flowers very variable in size, long-pedicellate. 
Lateral sepals oblong, lanceolate or elliptic to oblanceolate 
or obovate, 11-82 mm. long, 4.5-9 mm. wide, obtuse 
(rarely) to short-acuminate at the apex. Dorsal sepal lan- 
ceolate or oblong-lanceolate to oblanceolate or oblong- 
obovate, 10.5-84 mm. long, 3.8-8 mm. wide, subobtuse 
to short-acuminate at the apex. Petals filiform or linear- 
elliptic to broadly oblanceolate, 10-31 mm. long, .8—7 
mm. wide, obtuse to acute or very rarely acuminate at 
the apex. Labellum nearly simple to trilobulate, trans- 
versely subquadrate (rarely) to reniform or transversely 
oval in general outline; lamina 7-18 mm. long, 1—8.4 em. 
wide; mid-lobe wanting or obscure to well developed, 
when developed usually transversely oblong to semi-ellip- 
tic, entire to crenate or bilobed, retuse, truncate or apicu- 
late at the apex; dise with two basal calli and more or less 
thickened nerves. Column adnate to the lip its entire 
length, dilated above; clinandrium slightly crenulate, 
denticulate or dentate to lacerate. 
Epidendrum difforme Jacg. var. firmum 
(Reichb.f.) Ames, Hubbard & Schweinfurth, comb. nov. 
Epidendrum firmum Reichenbach filius, Beitr. Orch. 
Centr. Am. (1866) 87. 
Epidendrum majale Schlechter in Beihefte Bot. Cen- 
tralbl. 86, Abt. 2 (1918) 406. 
Plant including the inflorescence 10-40 em. tall. 
Stems congested, differing little in thickness from the 
typical form. Leaves linear-ligulate or narrowly lanceo- 
late to oval-elliptic, 1.5-9 em. long, 2-25 mm. wide, 
obliquely bilobulate at the apex. Lateral sepals obliquely 
elliptic-lanceolate to oblanceolate-oblong, 11-22 mm. 
long, 4.5-6.9 mm. wide, more or less carinate on the ex- 
terior surface especially toward the apex which is acute or 
acuminate. Dorsal sepal elliptic, oblanceolate or oblanceo- 
[ 55 
