67 
le P. fruticosus (Pursh) Greene, Stems byw, tufted woody with numerous 
— 
—_— 
ascendins branches ,20-s0 em. tall, the-branchlets glandular-puberulent § 
PA 
leaves elliptic-oblanceolate or eh AN cme long, 2-10 mm, 
wide, leathery, glabrous, the margins sharply serrate above the middle, 
narrowed at the base and sessile; flowers showy, in racemes 5-15 cm, 
long, subtended by linesr persistent bracts 5-15 mm, long; calyx 8-12 
’ 
mm, long, the senals free nearly to the base, sparingly glandular, 
narrowly lanceolate, acuminate, the pedicels sparingly glandular, at 
length 1-2 cm, long; corolla mauve, 3-4 om. long, the tube 22-30 m, 
(Zlabrous without, villous within on che—Técer surface of the throat, \ 
long, 8-10 mm, wice in the throat {the upper lip 9-10 mn, long, the 
lover 10-11 mm, long; anther-sacs densely woolly; capsule 9-12 m, 
long, very acute, tinned by the long persistent style. Four subspecies 
may be distinguished in our area as follows: 
QO Leaf-blades linear-elliptic, 2-5 mm, wide, sharply serrate; 
sepals 10-15 mn, long, linear-lanceolate, attenuate; 
4 < oome 35-45 mm, Longs" Pe f. Scouleri 
f Leaf-blades narrowly to widely elliptic, 4-15 mm, wides 
4 corolla 28-40 m, long 
2, Sepals 7-10 mm, long, acute to slightly caudate 
( Leaf-blades coarsely serrate, relatively small 
Pe f. typicus 
(, Leaf-blades entire or slightly serrulate, 
# relatively large Pe f. Douglasii 
2 Sepals 9-13 mn, long, strongly caudate; leaf-blades 
6 slightly serrate Pe f. calycinus 
Subspecies typicus occurs on exposed rocky ridges, low mountains and 
above canyons, as along Snake River and Lolo Ureek,. Sspe Douglasii (Hook, ) 
Pennell and Keck is the prevalent form of mountain forests both east and 
west of our area but seems not to have been detected locally. ssp. calycinus 
