Scrophulariaceae 351 
BB. Leaves with only | vein from the base. 
I. Calyx 5-angled, 5-toothed. 

J. Corolla 20—25 mm. long. 
K. Plant not viscid; hairy lines inside the corolla extending to its base; seed 
ovate. W. M. dentatus Nutt. 
KK. Plant viscid ; hairy lines inside the corolla not extending to its base; 
seed spherical. W. C. E. 
M. moschatus Dougl. (Musk-flower) 
JJ. Corolla 4—20 mm. long. 
L. Plant villous with spreading white hairs, prostrate or spreading. E. (M. 
jungermannioides.) M. floribundus Dousg!. 
LL. Plants glabrous or puberulent, not villous, erect (except M. alsinoides). 
M. Calyx-teeth distinctly unequal, 2 larger; lower lip of corolla with 
bright crimson spot in center. W. C. E. 
M. alsinoides Doug!. 
MM. Calyx-teeth equal or very nearly so; corolla without crimson spot. 
N. Leaves with wide petioles; corolla 10—20 mm. long. 
O. Calyx cylindric in fruit; capsule oblanceolate. E. 
M. peduncularis Dousl. 
OO. Calyx distended in fruit; capsule oblong. E. 
M. pulsiferae Gray 
NN. Leaves sessile but narrowed at base; corolla 6—8 mm. long. C. 
E. (M. suksdorfi.) 
M. rubellus Gray 
II. Calyx not angled, 5-cleft; corolla 6—8 mm. long, under lip usually with a 
a pair of brown spots. E. M. pilosus Wats. 
AA. - Flowers pink or red or purple. 
P. Corolla 5-10 mm. long; stigma 2-lipped. 
Q. Plant not viscid or merely viscid-puberulent; corolla 6—8 mm. long; some of 
the leaves wider than linear. (See NN.) 
QQ. Plant viscid-pubescent with spreading hairs; corolla 8—10 mm. long; leaves 
linear. C. E. (Eunanus breweri.) 
M. breweri Rydb. 
PP. Corolla 14-20 mm. long; stigma funnelform. 
R. Leaves elliptic or merely the upper ones ovate, acute. 
S. Calyx-teeth subulate, about 1/7) as long as the calyx-tube. E. (Eunanus 
bigelovii.) M. bigelovii Gray 
: SS. Calyx-teeth triangular, acute |/4—1/3 as long as the calyx-tube. E. 
| (Eunanus tolmei.) M. nanus H. & A. 
RR. Leaves ovate, acuminate; calyx-teeth triangular-subulate. E. (Eunanus 
cusickit. ) M. cusickii Pip. 
PPP. Corolla 2250 mm. long; stigma either 2-lipped or funnelform. 
T. Perennial; calyx 16—30 mm. long; style glabrous. 
U. . Upper leaves often connate; calyx 25—-30 mm. long; corolla scarlet and 
yellow; stamens exserted. WE. 
M. cardinalis Dousl. 
UU. Leaves not connate; calyx 16—20 mm. long; coroila rose-red and pur- 
plish; stamens included. Gk, 
M. lewisij Pursh 
TT. Annual: calyx 10—12 mm. long; style pubescent above; upper leaves often 
connate. U.E. (Eunanus douglasii.) 
M. subuniflorus Pip. 

