322 borraginace-e. (borage family.) 



3. 1u» OFFICINALE, L. (Common Gromwell.) Much branched above, 

 erect (l°-2° high) ; leaves thinnish, broadly lanceolate, acute, with a few distinct 

 veins, rough above, soft-pubescent beneath; corolla exceeding the calyx: nutlets 

 very smooth and even. — Road-sides, &c. : rather rare. (Nat. from Eu.) 



4. JL. lafiftiUBIEa, Michx. Stem loosely branched, erect (2° -3° high), 

 rough; leaves orate and ovate-lanceolate, mostly taper-pointed (even the floral ones 

 2' -4' long), ribbed-veined, roughish above, finely soft-pubescent beneath, the 

 root-leaves large and rounded ; corolla shorter than the calyx ; nutlets very smooth 

 or sparingly impressed-punctate, shining, turgid (2" long). — Borders of woods, 

 Michigan to Kentucky. June. 



$ 3. Nutlets smooth and shining : corolla large, salver-shaped or nearly so, deep orange- 

 yellow, somewhat pubescent outside: the tube 2-4 times longer than the calyx, the 

 throat more or less appendaged. (Hoots perennial, long and deep, yielding a red 

 dye.) (Batschia, Gmel.) 



# Tube of the corolla, from one half to twice longer than the calyx, not much longer 

 than its ample, limb, the lobes entire; the appendages glandular and adherent (cspe- 

 ciallij in the state with the stamens at the base of the tube), or slightly arched. 



5. 1L. Ml'tilBBl, Lehm. (Hairy Puccoon.) Hispid with bristly hairs 

 (l°-2° high) ; stem-leaves lanceolate or linear, those of the flowering branches 

 ovate-oblong, bristly-ciliate ; corolla icoolly-bearded at the base inside ; flowers dis- 

 tinctly peduncled ; fruiting calyx (^' long) 3-4 times longer than the nutlets. 

 (Also L. scrieeum, Lehm. Batschia Caroliniensis, Gmel. B. Gmelini, Michx.) 

 — Dry woods, Michigan to Wiscousin, Virginia, and southward and northwest- 

 ward. April - June. — Flowers crowded, showy : limb of the corolla § ' - 1 broad. 



6. L,. cimescens, Lehm. (Hoary Puccoon or Alkanet.) Softly 

 hairy and more or less hoary (6'- 15' high); leaves obtuse, linear-oblong, or the 

 upper ovate-oblong, more or less downy beneath and roughish with close ap- 

 prcssed hairs above ; corolla naked at the base within ; flowers sessile ; fruiting calyx 

 (3" long) barely twice the length of the nutlets. (Batschia canescens, Michx.) — 

 Open woods and plains, W. New York to Kentucky, Wisconsin, and northwest- 

 ward. May. — Limb of the showy corolla smaller and the calyx shorter than 

 in the last. 



* * Tube of the corolla 2-4 times the length of the calyx, and of its erose-toolhed or 

 crenulate lobes; the appendages at the throat more projecting or arched. (Pentalo- 

 phus, A. DC.) 



7. Ii. longifldnim, Spreng. Minutely strigosc-hoary ; stem simple 

 (6' -18' high); leaves linear; tube of the corolla much longer than Ihe calyx 

 (§'-l±' long). (Batschia longiflora, Pursh. L. incisum, Lehm. Pentalophus 

 longiflorus, A. DC.)— Prairies and plains, from W. Illinois and Wisconsin 

 westward. May. 



6. 1ERTENSIA, Roth. Smooth Lungwort. 



Corolla trumpet-shaped or bell-funnel-shaped, much longer than the deeply 5- 

 tleft or 5-partcd calyx, naked, or with 5 small glandular folds or appendages in 

 the open throat; the spreading border 5-lobed. Stamens protruding from the 



