332 BORRAGINACE.E. (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 2 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, Michx.) Dry pine barrens, Florida to South Carolina. 

 April and May. Stem l-l high. Leaves l'-2' 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 upper 

 ones bractless. 



1. M. Virginica, DC. Smooth; stem erect, simple ; leaves membrana- 

 ceous, elliptical or obovate-oblong, the lower ones narrowed into a 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 ; fila- 

 ments longer than the anthers. (Pulmonaria Virginica, L.) River-banks and 

 along mountain streams, South Carolina to Tennessee, and northward. May. 

 Stem l-2high. Leaves 2' -3' or the lowest 4' -6' long. Corolla 1' long, 

 sometimes white. 



10. MYOSOTIS, L. FORGET-ME-NOT. 



Calyx 5-cleft. Corolla salver-form, 5-lobed, convolute in the bud ; the tube 

 as long as the calyx, with 5 obtuse appendages in the throat. Stamens very 

 short, included. Nutlets 4, elliptical, compressed, smooth, with a minute scar 

 at the base. Low hairy herbs, with entire alternate leaves, and small white or 

 blue flowers in terminal bractless racemes. 



