220 American Midland Naturalist Monograph No. 7 



1. Stem more or less leafy; leaves elliptical-lanceolate. 

 3. Corolla-tube exserted from the calyx. 



4. Corolla 15-30 mm long; occasionally adv. from the Great 



Plains S. pitcheri Torr. 



4. Corolla 10-14 mm long; dry gravelly soil, occasional; adv. 



from Eur ^S". sylvestris L. 



3. Corolla-tube included in the calyx; adv. from w. U.S. July- 

 Sept. Rocky Mountain Sage [S. lanceaejolia Poir.] 



S. rcflexa Hornem. 



20. Blephilia Raf. — Wood Mint 



1. Leaves elliptic-lanceolate, nearly odorless, the petioles 2-10 mm 

 long; stem usually simple, the pubescence of short, curved 

 hairs; calyx 8-11 mm long; woods, locally throughout 111. May- 

 June B. ciliata (L.) Benth. 



1. Leaves ovate-lanceolate, with strong peppermint odor, the petioles 

 1-3 cm long; stem often branched, the pubescence pilose; calyx 



6-8 mm long; woods, common throughout 111. May-Sept 



B. Inrsuta ( Pursh ) Benth. 



21. Monarda L. — Bergamot Mint 



1. Heads (flower-clusters) solitary and terminal on the stem or 

 branches; stamens longer than the upper lip of the corolla. 

 2. Corolla scarlet, 3-5 cm long, puberulent; bracts red; leaves 

 petioled; occasionally escaped from cult.; Wabash Co., 

 Schneck in 1874; Chicago, Cook Co., fide Higley & Raddin; 

 Barrington, Lake Co., /. A. Steyermark in 1946. July- 

 Sept M. didyma L. 



2. Corolla purple, pink, or white. 



3. Leaves sessile or nearly so; calyx-teeth 2.5-4 mm long; corolla 

 pale purplish or white, the lower lip spotted ; roadsides, 

 pastures and open woods in the southern half of 111. May- 

 June M. bradhuriana Beck 



3. Leaves distinctly petioled; calyx-teeth 1-2 mm long. 



4. Corolla lilac-purple (rarely white) 2-3.5 cm long; stem 

 often branched; fields, open woods, and roadsides, 

 common. June-Aug. Wild Bergamot [M. fistulosa var. 



mollis (L.) Benth.] M. fistulosa L. 



4. Corolla white or yellowish-white, 2-2.5 cm long; stem 

 usually simple; woods, local; chiefly in the centr. 



counties. June-Aug M. clinopodia L. 



1. Heads in several verticillate glomerules; corolla yellowish-white 



or pink. 



5. Calyx-lobes triangular, short; corolla yellowish, the upper lip 



purple-spotted ; stamens included ; bracts yellowish and 



purple; sandy soil, local. Aug.-Sept. Our plants belong to 



subsp. villicaulis Pennell. Spotted Horsemint M. punctata L. 



