Malaxis tipuloides (Lindl.) O. Ktze. var. exigua 
Garay var. nov. 
A typo floribus multo minoribus differt. Planta usque 
ad 30 cm. alta; foliis 5, basilaribus, aggregatis, ovato- 
lanceolatis, acutis vel subacuminatis, 12-13 cm. longis, 
1-1.5 em. latis; racemo erecto, densissime multifloro; 
bracteis lanceolato-setaceis, pedicellis aequilongis; flori- 
bus parvulis; forma sepalorum et petalorum et labelli 
illa typi simillima; sepalis tantum 4-5 mm. longis. 
Whether to recognize this collection as a new species 
or merely as a variety of M. tipuloides was a matter of de- 
liberation for a long time. No morphological differences 
of specific value can be observed in the floral structures 
between this collection and the typical species. However, 
the small dimensions are so striking that I feel it neces- 
sary to establish it at least as a variety. 
Cotompia: Dept. Cundinamarca. Cordillera Oriental; Hato Grande, 
east side of Rio Muchindote, 13 km. east of Gachetd. 2600 meters 
alt. June 14, 1944, Martin L. Grant 9456. Collected under the aus- 
pices of the U.S. Foreign Economic Administration: Colombian Cin- 
chona Mission (Tyre in Herb. Ames; Dupticare type in U.S. Nat. 
Herb. ). 
Liparis serpens Garay sp. nov. 
Terrestris, 5-8 cm. alta; rhizomate satis gracili, flex- 
uoso, prorepenti, vaginis remotis, scariosis, cucullatis, 
acutis, 7-10 mm. longis obsesso; folio juxta basim pseu- 
dobulbi singulo, prominenter petiolato, lamina ovato- 
cordata, acuta vel subacuminata, basi abrupte rotundata, 
margine leviter crispata, petiolo incluso 8—5.5 cm. longa, 
1.5-8 cm. lata; pseudobulbo vix evoluto, ca. 5-7 mm. 
longo; inflorescentia singula, erecta vel leviter arcuata, 
satis gracill, 4.5-8 cm. longa, dimidio superiore dense 
multiflora; bracteis ovato-lanceolatis, acutis, quam ovariis 
pedicellatis brevioribus, 83-4 mm. longis; sepalis ovatis, 
obtusis, margine revolutis, nervo mediano prominenti, 
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