BORUAGINACIC^. (boUAGI;; FAMILY.) 3G3 



§ 2. Nutlets smooth and shinitirj, viostli/ ivhite like ivory, occasional!)/ dotted with pores: 

 corolla in our species ijreenish-white or cream-color, small, with 5 small but distinct 

 pubescent scales in the throat. {Root perennial.) 



2. L, angUStifblium, Michx. Minutely and sliglitlj hoaiy, roughish, 

 much bratiched, erect or spreading (6'- 15' high) ; leaves linear, rigid, \-nerveA; 

 corolla not lonc/er than the calyx ; the sliort peduncles in fruit mostly recurved ; 

 nutlets more or less pitted when young, rarely bright white, but smooth and shin- 

 ing. — River-banks, from Illinois southward and westward. May. 



3. L. officin.Vlk, L. (Common Gromwell.) ]\Iuuh 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. — Roadsides, &c. : ratlier rare. (Nat. from Eu.) 



4. L. latifdlium, Michx. Stem loosely branched, erect (2° -.3° high), 

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

 2' -4' long), ribbed-veined, roughi-<h 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, W, 

 New York and Penn. to Wisconsin and southwestward. June. 



§ 3. BATSCHIA, Gmclin. Nutlets smooth and shining: corolla large, salver-shaped 

 or nearly so, deep orange-yellow, someiohat pubescent outside, the tube 2-4 times 

 longer than the calyx, the throat more or less appendaged. (Roots perennial, long 

 and deep, yielding a red dye. ) 



* 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 (especially 

 ichen the stamens are at the base of the tube), or slightly arched. 



5. L. hirtum, Lchm. (Hairy Puccoon.) Hispid with bristly hairs 

 (1° -2° high) ; stem-leaves lanceolate or linear, those of the flowering branches 

 ovate-oblong, bristly-ciliato ; corolla icoolty-bearded at the base inside; flowers dis 

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

 (Also L. sericeum, Lehm. Batschia Caroliniensis, Gniel. B. Gmclini, Mich.) 

 — Dry woods, New York to AVisconsin, Virginia, and southward and westward. 

 April- June. — Flowers crowded, showy: limb of the corolla g'-l' bi-oad. 



G. L. candscens, Lehm. (IIoary Puccoox or Alkanet.) Softly hairy 

 and more or less hoary (G'-l.'j' high) ; leaves obtuse, linear-oblong, or the upper 

 ovate-oblong, more or less downy beneath and roughish with close appressed hairs 

 above; corolla naked at the base within ; flowers sessile ; fruiting calyx (3" long) 

 barely twice the length of the nutlets. (Batschia canesccns, ]\L''-hx.) — Ojwn Avoods 

 and plains, New York to Kentucky and nortliwcstward. INIay. — 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-toothed or 



crennlateh'irs, the appendages more projecting. (Pentalophus, A. DC.) 

 7. L. longifl6rum, Sjjrcng. Minutely strigose-hoary ; stem simple (C- 

 18 high); leaves linear; tulje of the corolla much longer than the calyx (8"- 

 1^' long). (Batscliia longiflora, Pursh. L. incisum, Lehm. Pentalophus lon- 

 giflorus, A. DC.) — Prairies and plains, from W. Illinois and Wisconsin west- 

 ward. May. 



