ORCHIDACEAE 383 
2. B. elatum (Sw.) Schltr. Plant similar to that of the preceeding species, 
but usually larger, up to 6 dm. tall: blades Pri apes oe ip don Or ies 
varying to br ap above ls middle or belo , 19 em. long or eut 
nds EE n with a long petiole- like Dose E sale lanceolate, 
abou a petals linear- ende about 5 . long: lip about 6 
oim ne "body ovate, when spread out, about as "ides as the reniform or fabel. 
late po lobe or narrower: co dien shorter than the anther: capsule Ad 
soi a. a m. long.—Hammocks, Brooksville hammock region, Fla.—(W. 
24. MESADENUS Schlechter. Caulescent herbs with stout tuberous 
roots. Leaves various, the basal with broad short blades, those of the stem 
mere sheathing scales. Spike erect, slender, sometimes elongate, with short 
bracts. owers arcuate, the perianth rin rs horizontal or somewhat nodding, 
greenish-purple. Median sepal and petals coherent, recurved. Lateral Sca 
free, somewhat recurved. Lip pA to the lateral sepals but slightly wider 
and shorter, recurved near the 2 
sile, without callosities at the base Col. 
umn long, but less than half as long 
as the lip. Anther didymous, extend ng 
beyond the ea or emarginate sti igma. 
pans sessile.—Five species in el 
erica. 
1. M. lucayanus (Britton) Schlechter. 
Stem 2-7 dm. tall, glabrous, 
2.5—11 on te, narrowed ao 
petiole- like bases: petals narrowly lin 
ne 4. pa mm. long, iae. mud lip lanceolate, faintly veined: ee 
about 2 ong: anther as wide leas x ET oval or obovoid, mm. 
long, ribbed. —Hammocks, Florida Kes . I.) —Wint.-spr. 
25. STENORRHYNCHUS L. C. Rich. Caulescent highly colored succu- 
lent herbs. Leaves various, the basal with more or less elongate blades, early de- 
eaying, upper cauline leaves sheathing scales. Flowers in a conspicuous spike. 
Perianth reddish, yellowish, or white. Lat- | 
eral sepals narrow, decurrent together with 
the base of the lip as a spur adnate to the 
ypanthium. Petals shorter than the lat- 
eral sepals. Lip entire, scarcely as long 
as the lateral sepals, the blade lanceolate, 
the claw ciliate and with thickened mar- 
gins, destitute of callosities. Stigma-beak 
subulate.—About 25 species, natives of 
tropical and subtropical Ameri 
1. S. orchioides L. C. Stem 3- 
dm. tall, stout: spike en UE add 
eral sepals linear-lanceolate, 20-27 m 
long: petals lanceolate, 15-20 mm. lor t 
slightly eurved: lip slightly shorter than the lateral à with a oo 
body and a stout claw with lateral ridges and cilia: capsule body 1-1.5 
