}}. Penstemon (Mitchell) Schmidel. Beard=tonsue 
Perennial herbs, sometimes low and shrubby, mostly with one or more 
stems arising fran a branched, leafy base. Basal leaves petioled, the 
cauline sessile, often clasping the stem, all opposite, sametimes in irregu- 
lar whorls of 3 or 6. Flowers in racemes or more commonly in panicles, emi 
epi, the branches erect. Sepals 5, the“wargins commonly scarious. Corolla 
2-lipped, the tube usually elongate- funnbl Seen or abruptly enlarged above 
the middle. Stamens 4, with a fifth sterile filament bearing a beard at the 
apexe stigna capitate. Capsule ovoid, 2-valvedy glabrous, 
o Anthers densely woolly; capsules 11-]4 mn. long 
ZSternre tufted, /0-30 om tah 
@ Leaves prevailingly less than 5 om? long 
4 Leaf-blades lanceolate or oblanceolate mostly 
ad snarply toothed, 5-5 cm. long, 2-8 mm. wide; 
1 Ring ate 
\sepats TOWRENEED)s Nakbonccy FAAS Cor dere, ‘ i P. fruticosus 
et or A OO a =e 
Leaf-blades oval or ree entire or 
ee ee toothed, 1.5-5 cm. long, 8- os 
.mme wide; (Sepals acuse Dj hada sid “ye ~4¥ 2. P. ellipticus 
2 Suabsbrueb YO-60 tm = 
/Leaves prevailingly 4-9 cm. long, lanceolate- 
6 No, attenuate to linear 3 P. Lyallii 
© Anthers glabrous; capsules 3-6 mm. long 
Z Anther-sacs opening throughout 
harvar iy thes 
Corolla etways pure white, 10-12 ma. long, 
= pul 
Yerulent within over the bases 
of all the lobes 
as Maule ateiandrus Marple, 4. P. deustus 
, teethed / i) = ee 
eek ra ni Sees white, sometimes crean- 
colored or pale yellow or tinged with blue or 
rose, commonly bluish-purple or a dea ace 
8 \ pubescent within over the bases of the lobes 
\ef the lower lip 
(, Outer surface of htc glabrous, no 
b 
e 
Jo Slandular; inflorescence and sepals glabrous 
& Corollas psle yellow or whitish 
2OY olla > ll LD iivile LON 
7orollas 11-15 mm. long; inflorescence (Elevescons) 4 
7/4 505-4 cm. broad. S. Pe etn Od 
” “4 ; 
e /O Corollas 8-9 mn. long; inflorescence 
/4 scarcely 2.5 cm. broad G P. confertus 
—_—_— $ 
& Corollas blue or purple, very rarely with : 
iZ pure white albino forms | 
40 Corollas 7-8 mn. long: 7 Pe. procerus 
— 5 
