396 ORCHIDACEAE 
e. linear-lanceolate middle lobe: capsule- Pu UR. 2-2.5 em. 
mmocks, Everglade Keys, Fla —(W. I., S. A.) —Wint.—Mo s aiu m in 
Royal Pa Im Hammock; it also occurs in neighboring E. 
50. IONOPSIS H. B. K. Epiphytie caulescent herbs. Leaves approxi- 
mate at the base of the terminal flower-stalk. Flowers in a terminal paniele. 
Perianth mainly white, pink, or lavender. Lat- 
eral sepals united at ne base and produced into 
a short spur. Petals larger than the lateral 
sepals. Lip ius large, with " small Jateral $ 
lobes and a dilated notehed middle lobe with 2 
tubercles at its base. us drooping.—Nine 
species, of tropical Americ 
I. utricularioides Lindl. Plant 1.5-6 dm 
A owered: lateral sepals lanceolate, 5-6 |j 
m. long: petals elliptic, 6-7 mm. long: lip 11- | 
13 mm. long, the middle lobe fey as wide: 
capsule 2-3 em. long, beaked.—Hammocks, 
pen. Fla—(W. I., Mez., C. A., S. A.) —Spr.—Restrieted mostly to low ham- 
mocks in the Big er Swamp. The perianth is typically lilac; but white 
orms sometimes 0 
51. BRASSIA Lindl.  Epiphytie caulescent herbs with flat pseudobulbs 
which arise from several imbricate scales. Leaves terminating the pseudo- 
bulbs from the base of which arise ascending or assurgent flower-stalks. Flow- 
ers in lax raceme-like spikes. Perianth large and showy, the yellow parts 
more or less mottled. Lateral sepals greatly elongate, caudate-acuminate, 
nearly ada. bes Mar r than the median one. Petals nearly similar 
to the sepals o and d wider. Lip much shorter than 
- sepals, Ww ae a pnl) alie body a 
ow tip. Columns very short. Capsule pc 
Me the body 3-sided, 3-ribbed, beaked.— 
out 30 species, natives of tropieal America. 
1. B.caudata (L.) Lindl. Plant owed 2 
the pseudobulbs d b laneeolate, mostly 
em. long: leaves 2 rer blades broadly 
linear to m -spatult 2—4 . long: spike 
lax, the flow "the pos light- yellow 
spotted with i SHE sepals 6—14 cm. long, 
eaudate-attenuate from a lanceolate base: petals 
lanceolate, acuminate: lip 2.5-3 em. lon ng acumi- 
nate at the tip, sessile: capsule 5. 5-8 e . long, 
the body se Eor or nne “ellipsoid, with a a stipe-like base 
and a shor 2 nd stouter beak.—( SPIDER- -ORCHID.)—Hammocks, Everglade 
Keys, Fla (Wee ., Mex "C. A ps us —Spr.—Rare in a fey SEU mmo ocks on the 
Biscayne pineland ‘and Long Key pineland; often growing "with pur ccm 
which it resembles in habit. 
. ONCIDIUM Sw. Epiphytie or sometimes terrestrial herbs, with 
pseudobulbs. Leaves with broad or narrow and elongate blades, terminating 
