500 
GYNANDRIA MONANDRIA. 
ARETHUSA. Lin. 
Petala 5, basi con- 
nata. Labellum basi 
column® adnatum, su- 
perne cucullatum, cris- 
tatum. Pollen angu- 
latum. 
Petals 5, connate at 
base. Lip cucullate at 
the summit, attached 
at base to the column, 
crested. Pollen an- 
gled. 
1. Bulbosa. 
A. aphylla; radice 
globosa; scapo vagina- 
to, unifloro; corolla la- 
ciniis superioribus in- 
curvatis; labello sub- 
crenulato. 
Leafless; root glo- 
bose; scape sheathed, 
one-flowerod; corolla 
with the upper seg- 
ments incurved; lip 
slightly crenulate. 
Spl. pi. 4. p. 80. Mich. 2. p. 160. Pursh, 2. p. 590. Nutt. 2. p. 194. 
Stem about twelve inches high, the lower part clothed with sheaths, 
(three to four) which have no expanded blade. Flower solitary, terminal, 
fragrant. Segments of the perianth nearly equal, purple, the upper in- 
curved, somewhat connivent. Labellum not longer than the petals, the 
inflected margin crenulate, crested internally. Column shorter than the lip. 
Grows in the mountains of Carolina, Mich. I have never seen it in the 
low country. 
Flowers in June, Pursh. 
tttt Anther a ter mi~ 
rtalis 9 mobilis, decidua • 
Pollinia demum cerea - 
cea* 
tttt Anther termi- 
nal , moveable, decidu- 
ous. Pollen finally 
cereaceous. 
BLETIA. Ruiz and Pavon. 
Petala 5, distincta. I Petals 5, distinct. 
Labellum sessile, cucul- I Lip sessile, cucullate, 
