MONOPETALOUS EXOGENOUS PLANTS. 415 



** Upper lip of the corolla broader, notched. 



M. PUNCTATA, L. Closely and finely pubescent ; Stem 

 much branched; leaves lanceolate or oblong, acutish, 

 slightly serrate, narrowed into a petiole ; ivhorls lateral and 

 terminal ; bracts ovate or oblong, purple ; corolla yellow- 

 ish, the lower lip dotted with brown, the upper keeled; 

 stamens not exserted. Dry sandy soil. August-October. 

 Stem l°-3° high ; leaves l'-2' long. 



M. GRACILIS, Pursh. Very smooth ; ivhorls lateral and 

 terminal; exterior bracts linear, ciliate; corolla short; 

 leaves linear-lanceolate, acuminate, serrate. Mountains. 

 Stem obtuse-angled ; whorls small, naked ; calyx pubes- 

 cent, ciliate; corolla very slender, smooth, yellowish- 

 white. 



BLEPHILIA, Raf. 



Calyx ovate-tubular, 13-nerved, beardless in the throat, 

 2-lipped ; the upper lip with three awned teeth, the lower 

 2-cleft, awnless or short-awned ; anthers 1-celled. Other- 

 wise like Monarda. Stem erect ; whorls several, lateral and 

 terminal, the upper ones crowded. 



B. HIESUTA, Benth. Stem, hirsute ; leaves long-petioled, 

 oblong-ovate, serrate, smooth or hirsute ; ivhorls globose, 

 distinct, or the upper ones crowded, the lower axillary ; 

 bracts linear-subulate, long-ciliate ; corolla slightly pubes- 

 cent. (Monarda hirsuta, Pursh.) Damp woods. July 

 and August. Stem 2°-3° high, branching ; leaves thin, 

 3-4' long; corolla pale blue. 



CEDRONELLA, Moench. 



Calyx bell-shaped, nearly equally 5-toothed, the mouth 

 oblique ; corolla dilated at the throat, 2-lipped, the upper 

 lip straight, 2-cleft, the lower 3-cleft, with the middle lobe 

 largest ; stamens 4, ascending, the upper pair longest ; 

 anther-cells parallel • nutlets smooth ; flowers in a terminal 

 spike or raceme. 



