SCROPHULARIACEAE (FIGWORT FAMILY) 205 



H. Stem glabrous; sepals lanceolate; corolla blue to violet. W. C. E. 



V. cusickli 



HH. Stem pubescent above, glabrous below; sepals oblong to ovate; corolla 



white with purplish throat. C. V. allenii 



GG. Leaves shorter than the internodes; corolla 5-6 mm. wide. (See B.) 



DD. Annual; most of the leaves alternate; inflorescence leaves normal or merely 



smaller, 

 I. Flowers in the axils of reduced leaves; pedicels short; seed flat. 

 J. Plant glabrous or merely glandular-puberulent; lowest leaves oval-oblong, 

 toothed; petals white. W. E. V. peregrina (neckweed) 



JJ. Plant pubescent; lowest leaves ovate, crenate; petals blue. W. C. E. 



V. arvensls (wall speedwell) 



n. Flowers in the axils of ordinary leaves; pedicels long; seed cup-shaped; petals 



blue; plant pubescent. E. V. toiimefortil 



SYNTHYRIS 



Stem simple. Flowers white or pink or blue or purple. Cal}^ 4-parted. 

 Corolla 4-cleft, rarely none. Stamens 2, rarely 4. — (Gk. syn = together, 

 thyris = a little door; referring to the closed valves of the pod.) 



A. Leaves reniform-orbicular; flowers in racemes. 

 B. Petals entire. 

 C. Scape naked except for the floral bracts, usually shorter than the leaves; calyx 

 lobes ovate. W. C. S. rotundifolia 



CC. Scape with some scattered and alternate or opposite leaves, exceeding the 

 leaves; calyx lobes lanceolate, E. S. renlformls 



BB. Petals laciniately incised. W. S. schizantha 



AA. Leaves not reniform-orbicular; flowers in spikes. 

 D. Leaves crenulate; corolla none. E. S, rubra 



DD. Leaves pinnatifid; corolla whitish, nearly twice as long as the calyx, W, E. 



S. pinnatifida 



CASTILLEJA (Indian Paintbrush) 



Parasitic on the roots of other plants. Leaves entire to pinnatifid. 

 Flowers in spikes; spikes terminal, leafy-bracted ; bracts often brightly 

 colored. Calyx tubular, laterally flattened, the 2 lobes 2-toothed. Corolla 

 very irregular; tube not exceeding the calyx; limb 2-lipped; upper lip 

 long, laterally flattened, entire; lower lip short, 3-toothed. Stamens 4, 

 2 shorter; anther sacs imequal, the outer attached by its middle, the inner 

 hanging by its end. Capsule ovoid or oblong. Seeds reticulate. — (Honor 

 of D. Castillejo, a Spanish botanist.) % 



A. Upper bracts of the inflorescence red or purple. 

 B. Bracts of the inflorescence entire. 

 C. Plant villous-pubescent throughout. 

 D, Annual; bracts linear; corolla 12-20 mm. long. E. C. ezilis 



DD. Perennial; bracts oblong to broadly cuneate; corolla 25-30 mm. long. E. 



C. elmeri 

 CC. Plant glabrous except the inflorescence; bracts scarlet. W. C. E. C. mlnlata 

 BB. Bracts of the inflorescence somewhat lobed or dissected. 



Calyx more deeply cleft in front than behind; leaves often all entire. 



