4 
290 SCROPHULARIACEZ. (FIGWORT FAMILY.) 
* ** Leaves undivided. 
2. P. pubescens, Solander. Pubescent or smooth; leaves lanceolate, 
acute, serrate or entire, sessile or clasping ; the lowest ovate or oblong, tapering 
into a slender petiole; cymes spreading, few-flowered ; tube of the corolla grad- 
ually dilated above the middle; the lower lip longer than the upper; sterile 
stamen bearded down one side; anthers smooth. (P. levigatus, Soland., a 
smooth form.) — Dry open woods and fence-rows, Florida to North Carolina, 
and westward. June and July. — Stem 2° high. Lowest leaves 3! — 5! long. 
Corolla 1! long, pale purple. 
3. P. Digitalis, Nutt. Smooth or nearly so; stem-leaves ovate-lanceolate, 
serrate or entire, clasping ; the lowest oblong, narrowed into a petiole; cymes 
few-flowered, spreading, forming a narrow panicle; tube of the corolla abruptly 
dilated near the base; the lips nearly equal; sterile stamen bearded down one 
side. — Dry soil, Georgia, Florida, and westward. July. — Stem 29 high. Co- 
rolla 9" - 12" long, white or pale purple. ; 
Var. multiflorus, Benth. Larger (39 -49 high); leaves thicker; cymes 
many-flowered, forming a large spreading panicle; corolla smaller. — Pine bar- 
rens, Florida. 
5. LINARIA, Juss.  Toap-Frax. 
Calyx deeply 5-parted. Corolla personate, spurred at the base; the upper lip 
emarginate or 2-lobed ; the lower 3-lobed; the throat commonly closed by the 
prominent palate. Stamens 4, didynamous. Capsule globose or ovoid, opening 
at the apex, with few or several tooth-like valves, many-seeded. — Herbs, W! 
alternate or (on the radical branches) opposite or whorled leaves, and axillary oF 
racemose flowers. 
* Stems with prostrate branches at the base, which bear broader opposite or whorled 
1. L. Canadensis, Spreng. Smooth ; stem erect, slender, mostly simple; 
leaves linear, flat, scattered; those on the radical branches oblong; racemes 
straight ; pedicels erect, as long as the calyx; lobes of the small (3/ — 4") blu? 
and white corolla rounded ; spur filiform, curved, as long as the pedicels. (An 
tirrhinum Canadense, Z.) — Cultivated ground, common. April and May. 
(&) — Stem 1? - 2? high. 
2. L. Floridana, n. sp. Stem smooth, ascending, paniculately much 
branched; leaves scattered, fleshy, terete, linear or club-shaped ; those on the 
radical branches obovate ; racemes elongated, flexuous, glandular-hairy ; pedicels 
spreading, 3—4 times as long as the calyx ; lobes of the small (2”) blue corolla 
truncate or emarginate ; spur very short. — Drifting sands near the coast, wet 
Florida. April and May. (8)— Stem 3!- 12/ high. s 
: * ** Prostrate branches none. : 
3. L. vulgaris, Miller. Smooth; stem erect, simple or branched ; 1&8. 
alternate, linear or linear-lanceolate, crowded; raceme dense; flowers large ( — 
. Carolina, and northward. ‘Naturalized. Aug. yj—Stem 1°~3° high ^^ — 
Pe, Ge 
