vy 
Scrophulariaceae 349 
OO. Leaves 3—10 cm. long, some of the lower and of the upper 
wider than oblong. E. (P. whitedii.) 
P. erianthera Pursh 
MM. Inflorescence wider, looser, not wand-like. (See I.) 
LL. Basal leaves all or nearly all not entire. 
P. Plant 6—12 dm. high; sterile filament bearded at tip. C. 
P. ovatus Dougl. 
Pi Plant }=—3 dm. high. 
Q. Sterile filament yellow-hairy along one side nearly to base. (See OO.) 
QQ. Sterile filament without hairs. E. 
F. montanus Gr. 
CHIONOPHILA 
Herbs, perennial, 2.5—-7.5 mm. high (ours). Leaves opposite, thickish; in ours 
entire, linear. Flowers in spikes or racemes (ours). Calyx funnelform, membranous, 
becoming scarious, obtusely 5-lobed. Corolla tubular; throat slightly dilated; limb 
2-lipped; upper lip erect, slightly concave, barely 2-lobed; lower lip with densely bearded 
convex base, 3-lobed; its lobes short and recurved. Atnther-bearing stamens 4, 2 shorter; 
5th stamen a short or minute filament. Capsule oblong, enclosed in the marcescent calyx 
and corolla, loculicidal, 2-valved, the valves soon 2-parted. Seeds rather large, outer coat 
very loose. (Gk. Chion—snow, phileo=I love; from its habitat.) E. 
‘ C. tweedyi Hend. 
GRATIOLEAE (MoNKEY-FLOWER TRIBE)—Herbs or shrubs, annual or bi- 
ennial or perennial, erect to creeping or floating. Leaves opposite or alternate or all basal, 
pinnately or palmately veined, entire to toothed, 0.6—16 cm. long (ours). Flowers soli- 
tary on scape-like peduncles or in the leaf-axils, or somewhat in terminal racemes by the 
reduction of the upper leaves. Calyx 5-toothed or -lobed. Corolla somewhat tubular, not 
swollen at base, variously colored. Either anther-bearing stamens 4 and antherless ones 
0, or else anther-bearing stamens 2 and antherless ones 2; 5th stamen not represented. 
Capsule dehiscent by valves. Seeds many. 
A. Shrubs, young parts glutinous, 6—18 dm. high; leaves opposite; flowers 35—50 
mm. long. DipLacus (p. 350) 
AA. Herbs, mostly not glutinous, mostly not so high; leaves opposite or all basal; flowers 
mostly smaller. 
B. Plant erect to diffuse; leaves opposite, not all in basal tuft, often longer, often 
not entire; flowers not on scape-like peduncles, longer than 2 mm., often yellow or 
blue. 
C. Calyx 5-angled to terete, clefts between its teeth not reaching the middle; anther- 
bearing stamens 4, antherless stamens 0; leaves often several-veined from the base. 
MIMULus (p. 350) 
CC. Calyx terete, clefts between its teeth extending to the middle or beyond; 
. anther-bearing stamens 2, antherless stamens 2. 
D. Leaves pinnately veined, 2.55 cm. long; corolla white or yellow, 8—12 
mm. long; antherless stamens short, not forked. GRATIOLA (p. 352) 
ij DD. Leaves several-veined from the base, 1.2—2.5 cm. long; corolla red or 
purple, about 6 mm. long; antherless stamens long, forked. 
ILYSANTHES (p. 352) 

