332 i$ouu\f;iNAcr.-K. (itouAr.K family.) 



* * Perennials : nutlets smooth, white. 



2. L. tuberosum, Kugel. Hispid with scattered rigid hairs ; etom erect, 

 braiuiiitij:^ iihovc ; leaves somewhat S-ncrved ; radical ones larf;c (4' - C ioii'j:), 

 obovate-oblonir, narrowed into a jietiole, dotted with white above ; tlio 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. — Kocky banks of the Apalachicola and Chipola Riv<Ts, 

 Florida. March and A]iril. — I'lant 6' - 10' high, increasing in fruit to 2° or 

 more. Hoots bearing oblong tubers. 



■"?. 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, Michr.) — 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 up])cr districts. April and May. — Stem G'-12' high. 

 Corolla smaller than in the preceding. 



9. MERTENSIA, Koth. 



Calyx .5-parted. Corolla funnel-shaped, 5-lobed, naked, or with 5 folds in the 

 throat. Stamens partly exsertcd. Style filiform. Nutlets somewhat fleshy, not 

 flattened at the base. — Smooth or soft hairy perennial h.crbs, with entire leaves, 

 and showy purplish-blue flowers in coryrabcd or panided racemes, the upper 

 ones bractless. 



1. M. Virginiea, DC. Smooth; stem erect, sim])]c ; 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 Virginiea, L.) — River-banks and 

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

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

 sometimes white. 



10. MYOSOTIS, L. FORGET-ME-XOT. 



Calyx 5-clcft. 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. 



