332 BOUUAGINACKJE. (BORAGE FAMILY.) 



* * Perennials: nutlets sn)ooth, 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 tin- 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 1 -1^° 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-lohcd, 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 bractlcss. 



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, /,.) — River-banks and 

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

 Stem l°-2°bigh. Leaves 2'-8' or the lowest 4'-C long. Corolla 1' long, 

 sometimes white. 



10. MYOSOTIS, L. Fosqet-mb-kot. 



Calvx 5-eleft. Corolla salver form, Globed, convolute in the bud; the tube 



as Ion;; as the calyx, with . r > 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 bractlcss racemesi 



