(312) 
the Bahamas. Determined at the Missouri Botanical Garden by 
Mr. C. H. Thompson. 
Ibidium lucayanum sp. nov. 
Root of several cylindric, fleshy tubers 2-5 cm. long, 8-10 m 
thick. Basal leaves present at flowering time, Snisie ace 
oblanceolate to elliptic, thin but somewhat fleshy, spreading, 
5-nerved, eae conspicuously reticulate-veined, at least when 
dry, 5-17 cm. long, 1-3 cm. wide, acute at the apex, narrowed at 
the base into a rather slender petiole, which is one half to two 
thirds the length of the blade; scape slender, faclading’ the spike 
2—4 dm. high, its several leaves linear or linear-lanceolate, acute or 
scrapers erect, appressed, somewhat clasping, 1-3 cm. long; 
spike quite dense or sete loose, 5-25 cm. long, about I cm. 
thick, cane many-flowered ; bracts lanceolate, acuminate, erect, 
as long as the ovary or longer; flowers green, spreading; sepals 
linear-lanceolate, acutish, 3-4.5 mm. long; petals linear, a little 
shorter than the sepals; lip ovate-oblong, obtusish, concave, 3-5 
mm. long, about one third as wide as long, with two minute eallaa: 
ities at the base; capsule oblong, blunt, about 5 mm. long, 
Licnum Vir Cay, in high coppice (Britton é Millspaugh 
2316); Great Exuma, in low coppice near Rolletown (Britton 
& Millspaugh 3077, type); ELEUTHERA, in white lands between 
Glass Window and Gregory Town (Britton & Millspaugh 5413) ; 
roadside in coppice near Governor’s Harbor (Arition & Milis- 
paugh 5469); coppice, Eleuthera Point (&rétion & Millspaugh 
5633); Car IsLanp, in coastal thicket, Port Howe (Britton & 
Millspaugh, 5953); Lone IsLanp, in coastal thicket (Britton & 
Millspaugh 6278); edge of coppice near Clarence Town (Britton 
& Milispaugh 6344); Wattiine’s IsLanp, in rocky coppice 
(Britton & Milispaugh 6110); Crooxep IsLanp, in leaf-mould, 
Jingo Hill (Brace 4760); road to Stopper Hill (Brace 4798); 
Anpros: Deep Creek, basal leaves only (Brace 527 
The species is related to the Mexican Spipanthes polyantha 
Reichenb. f., which has a narrowly lanceolate acuminate lip. 
PILEA DELTOIDEA Liebm. 
Rock Sound, Eleuthera (Britton & Millspaugh 5588) ; vicinity 
of Clarence Town, Long Island (Britton & Millspaugh 6273, 
6324); Spring Point, Acklin’s Island (Brace 4259). The same 
as Wright 1458 from eastern Cuba, referred to this species by Wed- 
dell. Inthe Bahamas this diminutive species inhabits moist soil 
and crevices of rocks, sometimes carpeting the surface; it is only 
slightly succulent. The species was collected on Key West many 
