NEW OR NO'rEWOH'mY ORCHIDS 
Raceme about 1.5 cm. long, about 4-flowered, hardly reach¬ 
ing to the middle of the leaf. Bracts of the raceme obliquely 
infundibuliform. Ovary densely glandulose. Lateral sepals 
9 mm. long, narrowly lanceolate, acute, with the tip carinate- 
thickened, densely and shortly glandulose on the outer sur¬ 
face, coherent almost to the apex, forming an elliptical 
lamina, lightly carinate on the outer surface along the 
middle. Dorsal sepal 9-10 mm. long, about 2 mm. wide, 
narrowly oblong, acute, densely and shortly glandulose on 
the outer surface, margin somewhat involute. Petals about 
6 mm. long, 2 mm. wide, lanceolate, acuminate, drawn out 
into a slender, acute point, margin irregularly fimbriate, 
1-nerved, with the nerve somewhat thickened. Labellum 
3 mm. long, 1 mm. wide, broadly unguiculate, oblong, 
abruptly acute, somewhat constricted near the base when 
in natural position, strongly bicarinate on the upper sur¬ 
face, 3-nerved. (lolumn 3 mm. long, with a minute tooth 
on each side at the summit. 
In general habit suggesting Pleuroihallis J^antasmi 
Reichb. f., which is a much stouter plant with winged 
secondary stems. 
Costa Rica, La Union, Turrialba, C. JI. Lankcster 
454, May 12, 1923. Leaves dull purplish. Flowers pur¬ 
plish. Upper sepal striate. A widely distributed, but not 
common species. About 3500 feet altitude. (Type in Herb. 
Ames No. 27013.) 
Pleurothallis glandulosa Ames sp. nov. Herba epi- 
phytica, pusilla, radicibus libratis. Caules secundarii caes- 
pitosi, abbreviati, monophylli. Folium lineari-oblongum, 
obtusum, in sicco ncrvo medio subtus valde prominenti. Pe- 
dunculus folio longior, gracilis, unillorus, dense glanduloso- 
pubescens. Flos subrubens. Sepala lateralia infra medium 
cohaerentia, lineari-lanceolata, acuta, extus per medium 
carinata, glandulosa. Scpalum dorsale simile. Petala a 
basi cuneata dilatata, apice acuta. Labellum unguiculatum, 
supra basim leviter cordatum; lamina supra basim pan- 
durata, obtusa, margine minute glandulosa. Columna 
elongata, apice in stelidia duo producta. 
60 
