Mint Family 347 



rather few, lanceolate or oblong-lanceolate, 2.5-5 cm. long, taper- 

 ing below into a slender petiole, the upper acute, all with entire 

 and even margins ; bracts foliaceous or nearly so, ovate or oblong, 

 mostly acute with many cross veinlets between the ascending or 

 parallel veins ; calyx-teeth densely hirsute within, sparsely if at 

 all so without, inconspicuously nerved ; corolla bright rose color 

 or purple, sometimes with darker spots. 



Frequent in dry ground in the interior region both in the valleys and 

 mountains. June-August. 



10. KOELLIA Moench. 



Perennial erect herbs with small flowers in terminal 

 or sometimes also axillary capitate or cymose clusters. 

 Calyx ovoid, oblong or tubular, equally or more or less 

 unequally 5-toothed. Corolla 2-lipped, the upper lip 

 emarginate or entire, the lower 3-cleft. Stamens 4, 

 didynamous, nearly equal or the lower pair a little the 

 longer ; anther-sacs parallel. Ovary deeply 4-parted ; 

 style slender. Nutlets smooth, pubescent or roughened. 



1. K. Californica (Torr.) Kuntze. Aromatic, herbage whitish 

 with a very fine and close soft pubescence; stem erect, simple or 

 with a few terminal branches, 5-9 dm. high; leaves ovate to 

 ovate-lanceolate, sessile by an obtuse or subcordate base, entire 

 or denticulate, 3-9 cm. long; heads terminal and compact; calyx 

 pubescent, the tips of the teeth very woolly exteriorly ; corolla 

 white, resin-dotted. (Pycnanthemum Californicum Torr.) 



Occasional in the canyons of all our mountains. April-July. 



11. LYCOPUS L. WATER-HOARHOUND. 



Herbs, perennial by slender stolons or suckers, with 

 erect or diffuse stems, and small white or purple flowers, 

 bracted and verticillate in dense axillary clusters. Calyx 

 campanulate, regular or nearly so, 4 5-toothed, naked in 

 the throat. Corolla funnelform-campanulate to cylindric, 

 equaling or exceeding the calyx, the limb nearly equally 

 4-cleft, or 1 of the lobes broader and emarginate. Per- 

 fect stamens 2, anterior, the posterior pair rudimentary 



