ORCHIDE^). 637 



nial divisions obloug-lanceolate, pointed : lip as long, undivided, with an ovate-acuminate 

 summit.— Stem lp-5' high; flowers few, 2"-2£'' long.— Hab. Trinidad!, Pd., Cr., in 

 savannahs, O'Meara, Aripo; [Panama!; Venezuela!; New Granada!; Guiana]. 



59. POGONIA, Juts. 



Lip free, parallel to the column, not callous, longitudinally crested : perigonial division 

 free. Column slender : polliuaria 2, furrowed. — Root or tubers terrestrial ; stem with 

 clasping leaves, or aphyllous ; flowers racemose. 



loo P. physurifolia, G. Rchb. Leaves coetaueous, alternate, broadly ovate, pointed, 

 aoruptly contracted into the tubular sheath, as long as the internodes ; raceme spiciform : 

 bracts herbaceous, subcordate-ovate or rouudish, exceeding the pedicel, inferior gradually 

 larger; perigonial divisions lanceolate-linear; lip oblong-lanceolate, crested along the 

 midrib^ — 1>. macrophylla, Lindl. /—Tubers several, cylindrical; stem 8"-12" high; leaves 

 *>.-li , flowers 6"' long, the latter "greenish." — Hab. Jamaica!, Pd., in woods; Domi- 

 nica!, Imr.; [Cuba!; Venezuela!; Guiana]. 



1o7. P. surinamensis, Lindl. (R.). Leaves coetaneous, alternate, ovale, pointed, 

 shorter than the internodes; corymb few-1-flowered : bracts inferior herbaceous, much 

 snorter than the pedicel ; perigonial divisions lanceolate ; lip obovate, B-fid, 3-crested at 

 and along the midrib : lateral lobes ovate, exceeding the short, deltoid, crispate, middle 

 th V 'l~ Tub « rS se r, eral> tnickish-cylindrical ; stem 4"-8", leaves 10"'-4'", flowers 5'" long, 

 he latter "rosy." — Hab. Trinidad!, Pd., Cr., in the woods of Arima, and in savannahs; 

 L«mana]. 



lob. p. tenuis, G. Rchb. ! Leaves coetaneous, alternate, or floral opposite, short, 

 anceolate-linear, acuminate, much shorter than the internodes; raceme few- 1 -flowered : 

 owers distant, subsessile : bracts conform to the stem-leaves, about as long as the slender 

 JjN'y; perigonial divisions exterior lanceolate-linear, 2 interior lanceolate; lip cuneate- 

 o long, with 2 small lateral lobes above the middle, broadly rounded at the summit, cris- 

 Pate at the margin above, 2-crested along the midrib. — Cleistes paludosa, Benth. I in PI. 

 tyrucean. 3624 (non G. Rchb).— Tubers cylindrical or oblous; ; stem slender, 6"-12" 

 nigh ; leaves 6"'-l4'" long, l'"-2'" broad, spreadiug-erect ; flowers 8"'-6'" long, " whitish- 

 yellow, with a purple lip." — Hab. Trinidad!, Pd., Cr., in savannahs, Aripo ; [Venezuela !; 

 equat. Brazil !]. 



fi 19 gentianoides, Lindl. " Subaphyllous ; scales oppressed, bluntiih ; corymb 



'^-flowered: bracts ovate, pointed ; perigonial divisions lanceolate, interior half as long 

 as the exterior ones ; lip cuneate-3-lobed, 3-crested at and along the midrib : middle lobe 

 roundish, lateral shorter, ovate." — Arethusa, Sw. : I have seen a sketch of it, taken from an 

 °"ginal specimen, by G. Rchb.— " Tuber single, cylindrical; stem 4"-10" high; flowers 

 Pale-purplish."— Hab. Jamaica (Sw.), among shrubs, near Morant Bay. 



60. EPISTEPHIUM, Kth. 



Lip free, its base embracing the column : perigone supported by a dentate cupule, 

 spreading. Column 3-fid at the summit ; the middle lobe forming the anther-bed : " polli- 

 nariai4, compressed." — Root fascicled-fibrous; leaves rigid, reticulated- veiny ,- flowers 

 'arge, usually spicate. 



193. E. parviflorum, Lindl. Leaves ovate-lanceolate, pointed, septuplinerved, con- 

 tracted into a short petiole ; flowers distant, in a terminal, usually simple spike : bracts 

 minute, deltoid ; perigonial divisions spathulate-oblong, equal, a little exceeded by the lip : 

 cupule regular; lip roundish above the contracted base, crispate-lacerate at the margin above 

 the middle, hairy along the 3 approximate, middle nerves.— G. Rchb. (in lit.) distinguishes 

 the Trinidad species (E. Cruegeri, ej.) by "larger flowers, broader lip, bluntish sepals, and less 

 acuminate leaves :" but these characters appear variable in our series of specimens (except 

 the form of the lip). — 4'-6' high ; leaves 5"-3" long, superior gradually smaller, all dis- 

 tant; flowers white or rosy, 7"'-10"' long.— Hab. Trinidad!, Pd., Cr., rare, but grega- 

 rious, Savannah de Aripo; [Guiana]. 



2 t 2 



