approximate calli. Column large and stout for the flower, 
extended into a transversely subquadrate auricle on each 
side, about 2.7 mm. long from the base to the apex of a 
lateral auricle. Anther flattened-hemispherical, 4-celled. 
Kpidendrum minutiflorum has three apparent allies. 
EB. Schlimii Reichb.f. has shorter leaves, looser fractiflex 
racemes and a dissimilar lip. 4. Rolfeanum Lehm. & 
Kriinzl. has larger and less fleshy flowers and a different 
lip. 2. physophorum Schltr. has a paniculate inflores- 
cence and a dissimilar lip. 
Casamarca: Prov. Cutervo, “‘10 km. northwest of Socota, ceja de 
la montafia,’’ at 3200 meters altitude, epiphytic, December 10, 1938, 
H. E. Stork & O. B. Horton 10140 (Tyrr in Herb. Field Mus. No. 
1051150). 
Epidendrum nanum C. Schweinfurth sp. nov. 
Herba nana, saepissime valde divaricato-ramosa, Caul- 
es graciles, ramosi, patentes, vaginis tubulatis brevibus 
infra evanidis supra persistentibus et imbricantibus tect. 
Folia disticha, late patentia, linearia, obtusa, minute apic- 
ulata. Inflorescentia terminalis, abbreviata, saepissime 
biflora. Flores parvi. Sepalum dorsale anguste lanceola- 
tum, acutum vel acuminatum. Sepala lateralia oblique 
lineari-lanceolata, acuminata, dorso conspicue carinata. 
Petala oblique linearia, acuta. Labellum columnae valde 
adnatum; lamina profunde trilobata, basi leviter cordata ; 
lobi laterales aliformes, semiovati; lobus medius porrec- 
tus, lanceolatus vel lineari-lanceolatus, acuminatus; dis- 
cus basi minute bicallosus. Columna brevis, apice den- 
ticulata, utrinque conspicue unidentata. 
Plant dwarf, commonly divaricately branched, in habit 
similar to HMpidendrum Porpax Reichb. f. (in Bon- 
plandia 8 (1855) 220). Roots fibrous, filiform, more or 
less branched, glabrous. Stems slender, usually much 
branched, spreading, entirely concealed by short loose 
tubular or infundibuliform sheaths which are commonly 
[102 | 
