44 ELEMENTS OF BOTANY. 



II. CASTILLEIA, PAINTED CUP. 



Flowers yellow or purplish in terminal leafy spikes. Calyx 

 tubular, flattened, 2-4-cleft. Corolla-tube included within the 

 calyx ; upper lip of the corolla very long, linear, arched, and 

 enclosing the stamens, 2 of which are long and 2 short. 

 Ovary many-ovuled. Herbs parasitic on the roots of other 

 plants, with alternate leaves ; the floral ones usually colored 

 at the tip and more showy than the flowers. 



(C. coocinea), Scarlet Painted Cup, Paint-brush, Indian 

 Pink, Prairie Fire, Wickakeb. A hairy, simple-stemmed herb, 

 with clustered obovate or oblong root-leaves and cut stem-leaves ; 

 floral leaves 3-5 cleft and bright scarlet (occasionally yellow) toward 

 the tips, as though dipped in a scarlet dye ; calyx nearly as long as 

 the pale yellow corolla, 2-cleft. The spikes are often very broad, 

 making this one of the most conspicuous of our native flowers. 

 Annual or biennial. 



III. PEDICtJLARIS, LOUSEWOET. 



Corolla markedly 2-lipped ; the upper lip much flattened 

 laterally and arched, the lower lip spreading, 3-lobed. Stamens 

 4, beneath the upper lip. Capsule 2-celled, tipped with abrupt 

 point, several-seeded. Perennial herbs, with the lower leaves 

 pinnately cut and the floral ones reduced to bracts ; flowers 

 spiked. 



(P. Canadensis), Common Lousewort. Hairy, with clustered 

 simple stems, 1 ft. high or less ; the leaves petioled, the lowermost 

 ones pinnately parted, the others somewhat pinnately cut ; spike 

 short, closely flowered and leafy-bracted ; calyx split down the front ; 

 corolla greenish yellow and purplish, with its upper lip hood-like, 

 curved under, and with 2 awl-like teeth near the end ; capsule flat, 

 broadly sword-shaped. 



RUBIACEJE, MADDER FAMILY. 



Plants with opposite and stipulate or whorled entire leaves. 

 Calyx-tube adnate to the ovary ; limb of the calyx 4-5-cleft. 

 Corolla regular, inserted on the calyx-tube, as many-lobed as 

 the calyx. Stamens equaling in number the divisions of the 



