8o Flora of the Palouse Region 



short or none: fruit a berry or pod; seeds few or several; endos- 

 perm present. 



123. BERBERIS. 



Shrubs with yellow wood: leaves alternate, simple or compound, 

 often spiny: flowers yellow, in clustered racemes, heavy-scented: 

 bractlets 2-6: sepals 6, petal-like: petals 6, in two rows, each with 

 two basal glands: stamens 6, short: stigma peltate: fruit a berry. 



B. repens I/indley. Low depressed shrub, 2-3 cm. high: leaves pinnately 

 compound, 3-7-foliolate; leaflets evergreen, ovate, obtuse or acute, pale or 

 glaucous, not shining, sinuately dentate, with numerous spinulose teeth, 

 2-5 cm. long: racemes few, terminal: berries blackish with a bloom, sour. 

 Common in gravelly or stony ground. 



Family 33. FUMARIACEAE. 



Delicate smooth herbs with watery juice: leaves compound, 

 usually much dissected, tender, alternate: flowers perfect, irregular, 

 the parts hypogynous: sepals 5: petals 4: stamens 6, diadelphous: 

 pistil 1; ovary i-celled with 2 parietal placentae; ovules several: 

 endosperm fleshy. 



Corolla 2-spurred at the base. 124. dicentra. 



Corolla 1 -spurred at the base. 125. corydaus. 



124. DICENTRA. 



Erect or diffuse glabrous perennial herbs: leaves ternately com- 

 pound or dissected: flowers in racemes or panicles, irregular, nod- 

 ding; pedicels 2-bracted: sepals 2, scale-like: petals slightly united 

 into a 2-spurred or swollen nectariferous often withering-persistent 

 corolla: stamens 6, in two sets, opposite the outer petals: placentae 

 2; style slender: capsule oblong or linear, 2-valved. 



D. CUCUllaria DC Glabrous throughout: rootstock short, covered with 

 graindike tubers: leaves all basal, twice-ternately compound; ultimate divis- 

 ions narrow, acute: scapes exceeding the leaves, bearing a one-sided raceme 

 of 4-10 nodding flowers: corolla pinkish, yellow at the summit, the blunt 

 spurs widely diverging, as long as the body of the corolla. Moist copses 

 near Snake River and on Union Flat. 



125. CORYDAUS. 



Biennial erect pale or glaucous herbs: leaves radical and cauline, 

 decompound: flowers in racemes: sepals 2, small: petals 4, slightly 

 united to a i-spurred corolla; inner petals narrow, keeled: stamens 

 6, in two sets opposite the outer petals: placentae 2; style entire, 

 dilated or lobed: capsule oblong or linear, 2-valved, 



