BROMELIACEX. (PINE-APPLE FAMILY.) 471 
linear-oblong, cartilaginous, septicidally 3-valved, each valve separating into 2 
‘plates. Seeds erect, club-shaped, pointed, raised on a long and hairy stalk. — 
‘Radical leaves mostly crowded, imbricated. Petals fugacious. ; 
* Stem rigid, erect : flowers spiked, blue. 
+ Leaves broad at the base, gradually narrowed upward. 
1. T. utriculata, Leconte. Leaves scurfy and glaucous, subulate and 
recurved at the summit, very much dilated, concave and imbricated at the base, 
shorter than the rigid mostly branching stem ; the uppermost small and sheath- 
ing; flowers scattered ; sepals oblong-linear, obtuse, longer than the oblong pu- 
bescent membranaceous bracts, much shorter than the capsule; petals pale blue, 
twice as long as the sepals, slightly spreading at the apex ; stamens exserted. — 
South Florida. June and July. — Stem 2°-3° high. The dilated and imbri- 
cated bases of the leaves form a kind of cup which commonly contains a consid- 
erable quantity of water. : nez 
2. T. bracteata, n. sp. Leaves scurfy, concave, gradually narrowed up- 
ward, subulate and erect at the apex, the uppermost reduced to ovate pointed 
bracts ; stem branched, longer than the leaves; spikes compressed, 2-edged ; 
bracts ovate, coriaceous, smooth, closely imbricated in two rows, keeled on the 
back, longer than the linear acute keeled sepals. — South Florida. — Stem 2° 
high. Leaves19-1j9 long. SE HARE tari ou ote, 
3. T. bulbosa, Hook. Small, very scurfy ; leaves broad and clasping at 
the base, concave, imbricated, nearly equal, spreading above, shorter than the 
spike ; spike simple, few-flowered ; bracts oblong, scurfy, imbricated in two rows, 
longer than the sepals, and half as long as the capsule. — South Florida. — Stem 
stout, 4' high. Spike 3'-4'long, 6-7-flowered. Leaves 3'-4'long. Corolla 
purplish blue. 
+ + Leaves linear or filiform, from an abruptly dilated base. 
4. T. juncea, Leconte. Stem slender, leafy; leaves scurfy, linear, con- 
cave, recurved, longer than the stem, the lowest ones imbricated, the upper 
sheathing ; spikes branched, few-flowered ; bracts imbricated, smoothish, acute, 
longer than the sepals; petals deep blue, three times as long as the sepals, re- 
curved at the apex. — South Florida. — Stem 1° high. Spikes 2/-4/ long. 
Leaves 19-13? long. BEN 
5. T. Bartramii, Ell. Stem slender, leafy ; leaves smooth, erect, filiform, 
straight and rigid, as long as the stem, the upper ones short and sheathing ; 
spike branched, few-flowered ; bracts scurfy, imbricated, longer than the sepals, 
nearly as long as the capsule, the lower ones awned ; petals blue, spreading at 
the apex.— Southern districts of Georgia, Elliott, to South Florida.— Stem 1° 
high. Spikes 3'-4' long. Leaves bristle-like at the summit. 
