bus, lobo terminali rectangulariter-oblongo, recurvo, margine 
integro, toto labello, usque ad 3 mm. longo, | mm. lato; col- 
umna erecta, usque ad 3.5 mm. longa; ovario cylindrico, usque 
ad 3.5 mm. longo. 
Epiphytic, small, caespitose plants, up to 4 cm. tall. Roots 
filiform, flexuous, glabrous. Secondary stem hardly any, com- 
pletely enclosed by two tubular sheaths, up to 2 mm. long. 
Leaves linear-spathulate, obtuse, tapering to base, up to 4cm. 
long and 3 mm. wide. Peduncle filiform, one-flowered, up to 
1.5cm. long. Bracts tubular, up to 3 mm. long. Flowers yellow. 
Sepals united into a dorsally ventricose, inflated tube, up to 6 
mm. long, free lobes spreading, ovate, obtuse, up to 2 mm. long 
and |.6 mm. wide. Petals from a cuneate base oblong-elliptic, 
acute, along anterior margin below middle provided with a 
small, globose callus, up to 3 mm. long and | mm. wide. Lip 
from a cuneate-subquadrate base 3-lobed; lateral lobes fal- 
cate-triangular; midlobe rectangular-oblong, recurved with en- 
tire margin; whole lip up to 3 mm. long and | mm. wide. 
Column erect with a short foot, up to 3.5 mm. long. Ovary 
cylindric, up to 3.5 mm. long. 
Ecuador: Condor, FISKE s.n.! (AMES). 
Masdevallia venezuelana Sweet, sp. nov. 
Type: Venezuela; Rancho Grande, PITTIER 13966! 
(AMES). 
Epiphytica, caespitosa, usque ad 10 cm. alta; radicibus fas- 
ciculatis, filiformibus, flexuosis, glabris; caulibus secundariis 
abbreviatis, vaginis tubulosis omnino obtectis, usque ad 6 mm. 
longis; foliis carnosis, oblanceolato-spathulatis, obtusis, basin 
versus in petiolo angustatis, usque ad 6 cm. longis, 8 mm. latis, 
vulgo minoribus; pedunculo gracili, unifloro, usque ad 8 cm. 
longo; bracteis tubulosis, pedicellis aequilongis, usque ad 5 
mm. longis; floribus citrinis vel aurantiacis, satis magnis; 
sepalis dorsaliter ventricosis, 10 mm. longis, lobis liberis linea- 
ri-oblongis, obtusis vel rotundatis, usque ad 10 mm. longis, 2 
mm. latis; petalis hyalinis, linearibus, apicem versus paululo 
dilatatis, subtruncatis, in medio apiculatis, margine anteriori 
callo cariniformi ornata, usque ad 3 mm. longis, 0.5 mm. latis; 
47 
