NEW OR NOTEWORTHY ORCHIDS 
Costa Rica, La Estrella, C. H. Lankester 1034, July 
24, 1925. “Flowers greenish.” (Type in Herb. Ames No. 
30992): San Pedro de San Ramon, A. M. Brenes 32, June 
1921. 900 meters altitude. (This collection was determined 
and cited as Microstylis hastilabia Reichb. f. by Dr. Schlech- 
ter, in Fedde Repert. Beih. 19 (1923) 168): Province of San 
Jose, Las Nubes, Paul C. Standley 38546, March 20-22, 
1924. About 1500-1900 meters altitude. “Buds only; in 
wet forest; one plant.” (This collection shows slender- 
petioled leaf-blades which are round-ovate, 3.5-4 cm. long 
and wide, cordate at base): Naranjo, H. E. Stork 1872, 
May 4, 1928. 5600 feet altitude. “Terrestrial”: Along 
San Cristobal Road, Stork 2539, June 14, 1928. 5500 feet 
altitude. “In grass along roadside.” 
Masdevallia exigua A. & S. sp. nov. Herba minuta. 
Rhizoma repens. Caules perbreves, monophylli, vaginis 
tubularibus scariosis omnino tecti. Folia oblanceolato- 
linearia, in apice rotundata, inferne sensim angustata, 
ttiarginibus valde revolutis. Pedunculus uniflorus. Sepala 
persimilia, inferne in cupulam connata, superne in caudas 
carnosas abrupte extensa. Petala minuta, anguste oblongo- 
pandurata. Labellum oblongum, in apice rotundatum. 
Plant minute. Rhizome apparently creeping (only a 
fragment is at hand). Roots fibrous, flexuous, longitudi¬ 
nally channeled in the dried plant. Stems very small, 
monophyllous, 3-4 mm. long, entirely concealed by a loose 
whitish scarious tubular sheath. Leaf oblanceolate-linear, 
niargins strongly revolute in the herbarium specimen, up to 
25 mm. long, 2 mm. wide, abruptly rounded at the tip with 
a minute apicule, gradually narrowed to a channeled petiole, 
naid-nerve sharply carinate beneath. Peduncle 1-flowered, 
somewhat shorter than the leaves, about 11 mm. long up to 
the pedicellate ovary, filiform, with 2 short scarious tubular 
sheaths near the base. Pedicellate ovary slender, 2.6 mm. 
long, enclosed by a tubular scarious sheath. Ovary densely 
echinate. Flower about 5.5 mm. long. Sepals connate be¬ 
low into a cup which is about 1.8 mm. long; free portion of 
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