WOOTON AND STANDLEY—FLORA OF NEW MEXICO, 157 
Aments stout, dense; scales dark; stigmas long, 
slender; leaves obovate, obtuse or abruptly 
acute... 2.2... eee ee eee eee ee ee eee eee eee 3 
Styles elongated, 1 mm. long or more. 
Leaves glabrous on both surfaces, bright green; aments 
closely sessile... .......-2.2--2--02- eee eee eee eee 4 
Leaves pubescent, sometimes sparingly so; aments on 
leafy stems. 
. S. scouleriana. 
. 8. chlorophylia, 
Capsules glabrous. .._-..---------------- eee eee 7. S. monticola. 
Capsules tomentose. 
Leaves glabrate on the upper surface, densely 
sericeous beneath. .....--.....--.-+..- 20 
Leaves pubescent on both surfaces, not densely 
sericeous beneath. 
Plants 40 to 150 cm. high. ............... 6 
Plants less than 10 cm. high..... eaceceaes 5 
Leaves several times as long as broad, linear to elongate-lanceo- 
late or oblong-lanceolate; capsules glabrous (or weakly 
villous in nos. 10, 11, 12). . 
Scales not pale yellow, mostly brownish and persistent. 
Leaves broadly lanceolate; young branches not glaucous; 
capsules distinctly pedicellate...........--..--- 8 
Leaves narrowly oblong-lanceolate; young branches 
very glaucous; capsules subsessile............... 9 
Scales pale yellow, deciduous. 
Stamens 2, hairy below; leaves more or less canescent, 
linear, remotely denticulate, or sometimes entire; 
capsules more or less hairy. 
Capsules 3 to 4 mm. long; leaves 1 to 3 cm. long, 
finely pubescent............----.---------- 12 
Capsules 5 to 7 mm. long, glabrate; leaves 5 to 10 
cm. long. 
Leaves bright green and glabrate, at least above, 
denticulate; capsules 7 mm. long, on 
long pedicels. .......-.----------0---- 10 
Leaves canescent, entire or sometimes denti- 
culate; capsules smaller, 5 mm. long, on 
a short pedicel or sessile. 
Capsules sessile.......----------.-.------ Il. 
Capsules stipitate....-.----.------------ 18 
Stamens 3 or more, hairy below; leaves bright green 
above, lanceolate, finely serrulate; capsules 
pubescent or glabrous. 
Petioles and leaf blades glandular. 
Leaves long-acuminate, only slightly paler 
beneath, thin. ....-..-..-..........-.18 
Leaves short-acuminate, glaucous beneath, 
somewhat coriaceous. ......-...-------- 14 
Petioles and leaf blades not glandular. 
Leaves paler beneath. 
Capsules short-stipitate; stamens usually 
Bo eee ee eee eee eee 17 
Capsules long-stipitate; stamens 5 to 9....19 
. S. subcaerulea, 
. S. glaucops. 
. S. petrophila. 
. S. cordata wat- 
sont. 
. 8. irrorata. 
. S. taxifolia. 
. S. fluviatilis. 
S. exigua. 
. S. argophefila. 
. 8S. fendleriana. 
. &. lasiandra. 
. S. bonplandiana. 
. S. amygdaloides, 
