brous, reddish in the dried specimens. Lateral sepals 
lanceolate, 4mm. long, 1—nerved, connate almost to apex. 
Dorsal sepal orbicular with margin inrolled, 4 mm. long, 
5—nerved, saccate. Petals ovate-lanceolate, asymmetric, 
much produced on the side toward the lip, 1—-nerved. 
Labellum subreniform, 1I—nerved, apiculate. Column 
slenderly clavate. Anther terminal. 
Ecuapor, in moss, forests on west flank of Pichincha, 7000-8000 
ft., Jameson s.n. (‘Tyre in Gray Herb.) 
InLusrRATION: 1, section of rhizome with leaf (<5). 2, flower 
(10). 3, labellum, as seen from above (10). 4, column, as seen 
trom the side (10). 
The small number of vine-like species of Lepanthes 
may be keyed as follows: 
1. Petals rhombic, broader than long. 
2. Labellum broadly lunate, not hidden by the column. 
1. L. pseudocaulescens 
2. Labellum ovate, completely hidden by the column. 
2. L. polygonoides 
1. Petals not rhombic, longer than broad. 
3. Labellum neither apiculate nor 8-lobed. 
3. LL. pilosella 
3. Labellum either apiculate or 3—lobed. 
4. Dorsal sepal oblong. 
5. Petals oblong. . . 2. . 2 4. LL. Nummautlaria 
5. Petals triangular, 2...) . 5. LL. dasyphylla 
4. Dorsal sepal broadly ovate to suborbicular. 
6. Apex of dorsal sepal abruptly acute. 
6. LL. peperomioides 
6G. Apex of dorsal sepal broadly obtuse. 
7. 1. saccosepala 
[ 36 | 
