Jones: Flora of Illinois, 135. Labiatae 221 



17. Blephilia Raf. 



1. Leaves nearly sessile, cuneate at base, nearly odorless; bracts ovate; woods; 

 apparently absent from the n.w. counties. May-July ...B. ciliata (L.) Raf. 



1 . Leaves petioled, rounded or subcordate at base, and with a strong pepper- 

 mint odor; woods. June-Sept B. hirsuta (Pursh) Torr. 



18. 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. Leaves sessile or nearly so; calyx-lobes 2.5-4 mm. long; corolla pale pur- 

 plish or white, the lower lip spotted; roadsides, pastures, and open 

 woods in the s. half of 111. May-June M. bradburiana Beck 



2. Leaves distinctly petioled; calyx-lobes 1-2 mm. long. 



3. Corolla lilac-purple, 2-3.5 cm. long; stem often branched; fields, open 



woods, and roadsides, common. June-Aug. \M. fistulosa var. mollis 



(L.) Benth.} M. fistulosa L. 



3. Corolla white or yellowish white, 2-2.5 cm. long; stem usually simple; 



woods, local, chiefly in the s. and centr. counties. June-Aug 



M. clinopodia L. 



1. Heads in several verticillate glomerules; corolla yellowish, the upper lip 

 purple-spotted; stamens included; bracts yellowish and purple; sandy soil, 



local. Aug.-Sept. Our plants belong to subsp. rtllicaulis Pennell 



..M. punctata L. 



19. Hedeoma Pers. 



1. Leaves serrate; calyx with the upper lip triangular; dry soil in fields, along 



roads, and in open woods, common. July-Oct. American Pennyroyal 



H. pulegioides (L.) Pers. 



1. Leaves entire; calyx-teeth subulate; sandy soil in open woods, chiefly in the 

 n. part of the state. June-July. Rough Pennyroyal H. hispida Pursh 



20. Melissa L. — Bee Balm 

 M. officinalis L. Waste places, occasional; introd. from Eur. June-Aug. 



21. Satureia L. — Savory 

 S. hortensis L. Summer Savory. Waste places, introd. from Eur.; an occa- 

 sional garden escape. Peoria, Brendel. "Spreading in a field near Naperville. 

 Seen in '97, '98, 1900 (Umbach) ." (Pepoon) No recent specimens seen. 



22. Clinopodium L. — Basil 



(Calamintha Moench) 

 1 . Plants pubescent; leaves ovate. 



2. Flowers sessile in capitate clusters 2-3 cm. in diameter; floral bracts seta- 

 ceous, villous; roadsides, fields, waste places, occasional; adv. from Eur. 

 \^Satureia vulgaris (L.) Fritsch] C. vulgare L. 



