Jones: Flora of Illinois, 135. Labiatae 219 



8. Leaves not glandular; wooded slopes and ridges, local. May- June 



S. ans trails Epling 



7. Pubescence of stem and pedicels appressed; wooded slopes and 

 ridges, local. May-June. [5. parvula sensu auth., ex p., non 



Michx.; S. parvula var. ambigiia Fern.; S. leonardi Epling} 



S. ambigua Nutt. 



6. Leaves coarsely crenate; stem glabrous or sparingly pubescent; nutlets 



winged; rhizomes slender; woods, local. May-June 



S. nervosa Pursh 



5. Marrubium L. 



M. viilgare L. Common Horehound. Waste places, roadsides, fields, and 

 open woods, common; nat. from Eur. June-Oct. 



6. Agastache Clayton — Giant Hyssop 

 1. Stem glabrous or puberulent; corolla cream or greenish yellow; roadsides, 

 fields, and open woods, common. Aug.-Oct A. nepetoides (L.) Ktze 



1. Stem finely hirsute; corolla purple; sandy soil in open woods and along 

 roads, infrequent. Aug.-Sept A. scrophidariaefolia (Willd.) Ktze 



7. Nepeta L. 



N. cataria L. Catnip. Pastures, roadsides, waste places, and open woods, 

 common; nat. from Eur. June-Sept. 



8. Glecoma L. 



1. Flowers 16-22 mm. long; waste ground, occasional; nat. from Eur. Peoria, 

 Brendel; Naperville, Du Page Co., Kienholz in 1915. \Nepeta hederacea 

 (L.) Trev.} G. hederacea L. 



1. Flowers 10-15 mm. long; a weed in waste places, lawns, along roads, and in 

 moist open woods; nat. from Eur. Apr.-June. [^Nepeta glechoma var. 

 parviflora Benth.] G. heterophylla Waldst. & Kit. 



9. Physostegia Benth. — False Dragonhead 

 1. Corolla 18-22 mm. long; anthers 1.3-1.6 mm. long; calyx campanulate; 



leaves oblanceolate or lanceolate, thin; alluvial soil, local. Aug.-Oct. 



P. speciosa Sweet 



1. Corolla 2.5-3.5 cm. long; anthers 2 mm. long; calyx tubular-campanulate; 

 leaves mostly linear-lanceolate, firm; prairie soil, often along railroads, 

 local. July-Oct. [P. angustifolia Fern.} P. virginiana (L.) Benth. 



10. Dracocephalum L. — Dragonhead 



{Moldav'ica Adans.) 



D. parviflorum Nutt. Dry soil, rare. Athens, E. Hall; Wady Petra, V. H. 

 Chase. May-Aug. 



11. Synandra Nutt. 



S. hispidula (Michx.) Britt. Wooded ravines, s. 111., not common. Jack- 

 son Co., Clinton. May- June. 



