LABIATAE 163 



1. L. amplexicaule L. Henbit. Annual, pubescent, ascending : 



leaves orbicular, sessile or clasping, crenately-lobed : corolla purplish, 



6^^ long. — In Idlewild Park near Independence. Locally frequent. 



April-June. 



11. STACHYS L. Hedge Nettle. 



Corolla purple, not inflated upward, the upper lip somewhat arched, 

 entire, the lower spreading, 3 lobed. Anther cells divergent. 



Calyx strongly hairy. 



Petioles 3^^ or less long. 1. S. palustris. 



Petioles 3^^-12^^ long. 2. S. aspera. 



Calyx glabrous or nearly. so. 3. S. tenuifolia. 



1. S. palustris L. Perennial, l°-4° high, hirsute: leaves oblong- 

 lanceolate, dentate, hairy : corolla 5^^-fi^^ long. — In low grounds in the 

 Missouri River bottoms. Common. July-September. 



2. S. aspera Michx. Perennial, l°-3°^high : leaves oblong-lanceolate, 

 crenate-dentate, more or less hairy : corolla 3^^-4^^ long. — Infrequent in 

 low grounds throughout. June-September. 



3. S. tenuifolia Willd. Resembles the last but is smooth or nearly so 

 throughout. — Common in low woods. June-September. 



12. SALVIA L. Wild Sage. 

 Ours are herbs with racemose-spicate blue flowers. Upper lip of corolla 

 concave, nearly entire, the lower spreading, 3-lobed. Connective of the 

 anthers bearing a perfect anther sac at the upper end, and an imperfect 

 one or none at all at the lower. 



Corolla W'-\2'^ long. 1. 5. Pitcheri. 



Corolla 4''^ long. 2. S. lanceolata. 



1. S. Pitcheri Torr. Perennial, 3°-6° high, cinereous-puberulent : 

 leaves oblong-linear, dentate, short-petioled or sessile : tube of corolla 

 prominently exserted. — In dry soil throughout, especially abundant in 

 barrens in the southwestern part. July-September. 



2. S. lanceolata Willd. Annual, 6^-24^ high, puberulent : leaves 

 lanceolate, serrate, petioled : tube of corolla not exserted. — Adventized 

 in fields and waste places. Rather common. June-September. 



13. MONARDA L. 



Calyx 15-nerved, villous in the throat. Upper lip of corolla oblong- 

 linear, arched, entire, the lower spreading, 3-lobed at the apex. Anther 

 sacs divaricate, more or less confluent at base. 



Flower clusters terminal. 1. 3f. scabra. 



Flower clusters axillary and terminal. 2. 31. citriodora. 



1. M. scabra Beck. Wild Beegamot. Perennial. l°-4° high: 

 leaves rounded at base, ovate-lanceolate, acuminate, serrate, soft canes- 

 cent : calyx teeth short, subulate : corolla reddish-purple, 15'''' long. — 

 Abundant on dry hills. June-August. 



