232 ONAGRACE., SPH EROSTIGMA. 
* Flowers white or rose color,*in a nodding spike: tube of the ~ 
calyx funnel form: capsule narrowly linear, terete, much contorted: 
seeds linear acute ateach end. 
S. alyssoides Walp. Rep. ii, 78. Cnothera alyssoides H. & A. - Can- 
escently pubescent annual: stems 1-12 inches high, branching from the 
base: leaves oblanceolate or oblong-lanceolate, 1-3 inches long,. attenuate 
into a slender petiole, entire or repand-denticulate; the bracts much 
smaller but similar: spikes many-flowered, elongating in age; tube of the 
calyx 2-3 lines long, equalling the orbicular entire white petals: capsule 
puberulent, 8-12 lines long, very slender: seeds nearly white very minutely 
pitted. On sandy plains Southeastern Oregon to Nevada, Idaho and Utah. 
_ 8. Boothii Walp 1.c., 77. Very viscidly pubescent annual; branch- 
ing from the base, 2-4 inches high ; leaves ovate, 6-12 lines long, acute or ae- 
cuminate; denticulate. shortly petioled; tube of the calyx 1-3 lines long; petals 
rose-color, 2-3 lines long; capsule linear-fusiform, 6-9 lines long, viscid- 
glandular, much contorted; seeds brownish, angled, very minutely tuber- 
oe er dry hillsides, Eastern Oregon and Washington to California 
and Nevada, 
* * Flowers yellow becoming greenish or bluish in age: calyx- 
tube obconic: capsule linear, tetragonal, more or less contorted: stems 
leafy throughout. ; 
S. spirale Walp. Rep. ii, 77. Cnothera cheiranthifolia Hornem.. 
Stems decumbent, spreading, often 2 feet long or more, canescently 
nbescent: leaves thick, 6-.0 lines long, broad!y ovate to oblong or lanceo- 
ate, the radical and lower cauline often spatulate or oblanceolate and 
slender petioled, mostly entire: calyx canescent, its tube 1-2 lines long; 
tals 3-4 lines long, yellow becoming bluish: capsule 4-8 lines long, sub- 
airy, contorted: seed ovate oblong, acute at base, smooth. Along the 
coast, Southern Oregon and California. 
* * * Flowers small, yellow usually turning red, calyx-tube very 
short; capsule elongated, very narrowly linear slightly curved. 
§. contorta Walp.|l.c. 78. U£nothera strigulosa T. &G. Nearly 
glabrous; the ovary and calyx usually somewhat appressed-pubescent : 
stems slender, ascending or erect, usually divaricately branched, 2-12 
invhes high: leaves linear or lanceolate, 3-0 lines long, attenuate at base. 
entire or sparingly denticulate, flowers very small: petals 1-2 lines long, 
usually turning red in age: capsule 8-13 lines long, sessile or attenuate 
into a very short pedicel, scarcely attenuate above, more or less curved 
or contorted: seeds smooth. On dry sandy plains Eastern Washington 
to California, Nevada and Arizona. 
Var. pubens Smaill.c 189. Pubescence hirsute and spreading es- 
pecially below, ofteu subglandular above, sometimes very smooth. Van- 
couver Island to Nevada; Arizona and Southern California. 
Var. Greenei Smalll.c strictly erect with ascending somewhat vir- 
gate branches: pubescence neither white nor appressed, but spreading and 
hirsute: pods longer and slender. Oregon to California. 
* * * * Low, flowers minute: capsule fusiform, short. 
S. Hilgardi Small l. ¢ 188. CMnothera Hilgardi Greene. Canescently 
pubescent; stems 3-6 inches high, divaricately much branched: leaves 
aap Pe entire including the petiole 1-2 inches long: branches 
corymbose in flower, densely spicate in fruit, the spikes leafy; petals 1-2 
lines long, obovate. entire: capsule 6 lines long, straight, sharply angled, 
attenuate upward; seeds obovate pale, smooth and shining. In moist 
places Eastern Washington and Oregon. 
