sepals elliptic, 2.2 cm. long, 7.5 mm. wide, obtuse to 
subacute. Dorsal sepal oblanceolate, about 2.1 em. long, 
7 mm. wide, obtuse. Petals similar to the dorsal sepal, 
oblanceolate-elliptic, about 2.1 cm. long, 6—6.5 mm. 
wide, rounded at the apex. Lip adnate up to the middle 
of the column, about 14 mm. long (tip of lip to base of 
column), 12 mm. broad across the lateral lobules; lamina 
transversely rhomboid in outline from a subquadrate 
claw, trilobulate with a shallow sinus on each side, about 
8 mm.long; lateral lobes rounded-triangular, horizontally 
spreading; mid-lobe semicircular in general outline (ap- 
pearing trilobulate on account of the bulbous thickening 
at its tip); disc provided in the center with a large fleshy 
subquadrate depressed callus, somewhat trilobulate at 
the apex which is produced into an obovoid bulbous 
thickening extending beyond the lamina. Column oblong 
in outline, slightly dilated above, prominently 8-toothed 
at the apex with rounded teeth, 1 em. long dorsally. 
Epidendrum magnispatha is allied to EH. favoris 
Reichb.f. and to #. Boothtanum Lindl. From both it 
differs in its much larger flowers. It is at once separable 
trom £7. favoris by the produced not emarginate mid-lobe 
of the lip and from 27. Boothianum by its blunter perianth 
segments and rather differently shaped petals. 
The flowers of H. magnispatha have the sepals and 
petals strongly blotched or spotted with reddish brown 
ona greenish gold ground, the lip is a clear golden yellow 
and the column is golden yellow with a red-brown base. 
Mexico, State of Guerrero, mountains near Santo Domingo, north 
of Atoyac, in virgin forest on oaks, at 1,100 meters altitude. Collected 
January 1, 1933, flowered at Cuernavaca, November 23, 1933. Erik 
M. Ostlund 2043 (Collector O. Nagel) (Typr in Herb. Ostlund ; flowers 
from type plant in Herb. Ames. ) 
Epidendrum Oestlundii Ames, Hubbard & 
[11] 
