SNAPDRAGON FAMILY 133 



corolla and ascending under the upper lip, ovary with 2 cavities, style 

 thread-like, stigma entire, capsule oblong; flowers in bracted usually dense 

 spikes, the bracts sometimes brightly colored; leaves mostly alternate; an- 

 nual, rarely perennial. 



1. Flowers yellow O. luteus 



2. Flowers white to rose-purple O. purpureo-dlbus 



PEDICULARIS Linne 1753 PEDICULARIS 



(Lat. pedicula, louse) 



PL 22, fig. 9. 



Sepals 5, united into a tubular calyx, cleft on the lower side or some- 

 times also on the upper or 2-5-toothed, petals 5, yellow, red, purple or 

 white, united into a strongly 2-lipped corolla, the tube cylindric, the upper 

 lip (galea) compressed, concave or folded, sometimes beaked, the lower lip 

 erect or ascending, 3-lobed, the lobes spreading or turned backwards, the 

 middle one the smallest, stamens 4 in pairs, inserted on the corolla and 

 ascending within the upper lip, ovary with 2 cavities, capsule compressed, 

 oblique or curved, beaked ; flowers in terminal spikes or spike-like racemes ; 

 leaves alternate opposite or rarely whorled, usually pinnately cut or lobed; 

 annual, biennial or perennial. 



1. Leaves pinnatifid or apparently pinnate 



a. Flowers yellowish, or yellow, rarely reddish 



(1) Upper lip or galea with a distinct curved 



beak ; alpine plants P. Pdrryi 



(2) Galea without a distinct beak 



(a) Leaves divided to the midrib, appearing 



pinnate; calyx 5-lobed 



x. Galea with 2 lateral teeth; flowers 



greenish ; stems 2-6 ft. high P. procera 



y. Galea without lateral teeth ; flowers yel- 

 low; stems .5-1.5 ft. high P.bracteosa 



(b) Leaves with rounded lobes about half- 



way to the midrib; calyx cleft on the 



lower side ; stems low and spreading P. canadensis 



b. Flowers purple or purplish 



( 1 ) Galea with a long curved beak ; calyx cleft 



below P. ctenophora 



(2) Beak none, or short and straight 



(a) Calyx teeth much shorter than tube; 



corolla 8-20 mm. long P. scopulonim 



