932 BORRAGINACEH. (BORAGE FAMILY.) 
* * Perennials: nutlets smooth, white. 
2. L. tuberosum, Rugel. Hispid with scattered rigid hairs; stem erect, 
branching above; leaves somewhat 3-nerved ; radical ones large (4! - 6! long), 
obovate-oblong, narrowed into a petiole, dotted with white above ; the middle ones 
oblong, sessile; the floral ones (1! long) elliptical ; calyx-lobes linear, as long as 
the tube of the small yellowish-white corolla, and twice as long as the mostly. 
solitary polished nutlet. — Rocky banks of the Apalachicola and Chipola Rivers, 
Florida. March and April.— Plant 6/—10/ high, increasing in fruit to 29 or 
more. Roots bearing oblong tubers. 
3. L. hirtum, Lehm. Hispid with rigid glossy hairs; stem mostly sim- 
ple, erect; leaves linear-lanceolate, obtuse, sessile; the lowest scale-like ; the 
floral ones ovate-lanceolate ; corolla large, yellow; the tube hairy at the base 
within, rather longer than the linear calyx-lobes; nutlets ovate, polished. 
(Batschia Gmelini, Michz.) — Dry pine barrens, Florida to South Carolina. 
April and May.— Stem 19-149 high. Leaves 1!— 9/ long. Corolla 6/- 8" 
long. 
4. L. canescens, Lehm. Stem villous, erect, nearly simple ; leaves lan- 
ceolate, sessile, obtuse, somewhat silky with appressed glossy hairs; the lowest 
small and scale-like ; corolla large, yellow; the tube 2-3 times as long as the 
calyx. — Dry soil in the upper districts, April and May. — Stem 6/ - 12 high. 
Corolla smaller than in the preceding. ; 
9. MERTENSIA, Roth. 
Calyx 5-parted. Corolla funnel-shaped, 5-lobed, naked, or with 5 folds in the 
throat. Stamens partly exserted. Style filiform. Nutlets somewhat fleshy, not 
flattened at the base. — Smooth or soft hairy perennial herbs, with entire leaves, 
and showy purplish-blue flowers in corymbed or panicled racemes, the us 
ones bractless. vr 
1. M. Virginica, DC. Smooth; stem erect, simple; leaves membrana 
ceous, elliptical or obovate-oblong, the lower ones narrowed into à petiole ; 
racemes corymbose ; corolla large, naked and expanding at the throat, slightly 
lobed ; the tube 4 times as long as the calyx, villous at the base within; fili 
ments longer than the anthers. (Pulmonaria Virginica, Z.) — River-banks " 
along mountain streams, South Carolina to Tennessee, and northward. Msy.— 
Stem 1°-2° high. Leaves 2-3! or the lowest 4'—6/ long. Corolla l'lon& 
ebd. 
t 
itlets 4, elliptical, compressed, smooth, 
