DICOTYLEDONOUS PLANTS 77 



IV. TOLMIE'A 



Perennial herbs with slender, creeping rootstocks and some- 

 times runners. Leaves mostly from the root. Flowers 

 small, in a loose raceme. Calyx funnel-form, free from the 

 ovary, thin and swollen at base, ivith unequal lobes. Petals 4~5, 

 thread-like, recurved, persistent. Stamens 3, inserted in the 

 throat of the calyx ; filaments short, and anthers with the 

 2 cells running into one. Pod oblong, with the base tapering 

 to a short stem, splitting betiveen the diverging equal beaks. 



T. Menzie'sii T. & G. Stems 1-2 ft. high, hairy with stiff hairs. 

 Leaves round, heart-shaped, crenately toothed ; petioles slender ; stem 

 leaves few. Raceme nearly a foot long, flowers greenish or purplish, 

 nearly in. long, including the capsule. Blooming in spring and 

 summer and found from northern California to Washington. 



V. HEU'CHERA, Alum Root 



Perennial herbs from stout rootstocks. Leaves all radical, 

 cordate, lobed and toothed, the veins often colored red. 

 Flowers small in a panicle. Calyx generally campanulate, 

 with base attached to the lower half of the ovary. Petals 5, 

 entire, small,' soon falling. Ovary and capsule 1-celled, with 

 2 parietal placentce and 2 styles which become beaks on the 

 capsule. 



a. H. micran'tha Dougl. This is the commonest species. It is con-, 

 spicuous on moist, shady banks because of its beautiful red-veined 

 leaves. The flowers are quite small, and the panicle is loosely and 

 numerously flowered. Common in shady places in the Coast and 

 the Sierra Nevada Mountains. 



b. H. cylin'drica Dougl. Leaves all from the root, round-kidney- 

 shaped, lobed or crenately toothed, 1-2 in. broad. Flowers greenish, 

 in spikes, terminating leafless scapes, 1-2 ft. high. Calyx lobes erect, 

 oblong, and elongated. Petals very small or wanting. Stamens and 

 style short. Blooming in spring. Washington and Oregon. 



VI. TIAREL'LA 



Perennial herbs with simple or compound leaves with 

 stipules. Flowers small, white, in a panicle or raceme. 

 Calyx 5-parted, with valvate lobes. Petals 5, entire, with 



