ONAGRACEZR. 61 
Annual: stems round: leaves mostly alternate: petals obcordate............ 12, 18, 14 
: spicatum, Lam. Simple stem often 5 or 6 ft. high: flowers spicate, 
latifolium, Linn. Shorter, less erect, often branching: style glabrous. ‘i 
obcordatum, Gr, Petals obcordate, spreading, rose-color, Alpine. 
luteum, Pursh. Oregon to Alaska. 
Watsoni, Barbey. Hoary-pubescent, branching: petals narrow, obcordate. 
coloratum, Muhl. Erect, branched, puberulent: leaves mostly opposite. 
alpinum, L. Creeping, 2 to 6 inches high: flower-buds ovoid: anthers globose. 
origanifolium, Lane. Taller: large petals obcordate, purple to white, 
f Franciscanum, Barb. Stems 2 to 4 ridged: petals purple, emarginate. 
10. E. brevistylum, Barb. Similar: petals smaller, obcordate, pinkish. S.N. Mts. 
ll. E. glaberimum, Barb. Glancous: leaves connected at base: petals notched. 
12, E. paniculatum, Nutt. Often tall, very slender: leaves slender, often fascicled. 
13. E. jocundum, Gr. Similar: panicles crowded: petals larger, 6 lines long, deep 
purple. 
14. E. minutum, Lindl Less than a ft. high: petals minute. 
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5. GAYOPHYTUM, A. Jussieu. 
ramosissimum, T.&G. Diffuse, 6 to 18 inches high: capsule 3-5-seeded. 
racemosum, T. &G. Less branched, more flowers, capsule 8 to 10 lines long. 
pumilum, Watson. Smaller: capsule 6 lines long, the many seeds oblique. 
diffusum, T. & G. Flowers 14 to 3 lines broad, usually pink: capsules on 
pedicels, 
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6. EULOBUS, Nuttall. 
1. E. Californicus, Nutt. Stout, 1 to 3 ft. high: petals 4 or 5 lines broad, yellow. 
7 CZ2NOTHERA, Linnezus. 
§ Calyz-tube much prolonged beyond the ovary: stigma-lobes slender. 
Tall: flowers yellow, erect in bud: seeds in 2 rows in each cell...........-20.000--00 I 
Stems white: flowers white or purplish, 14 or 2 inches broad: buds nodding ....2, 3, 4 
Stemless: calyx-tube 2 to 4 inches long: capsule wing-angled...............-..2-0-8- 5 
§ 2. Calyzx-tube filiform, stem-like above the ovary: stigma capitate: flowers yellow, sessile 
on the top of a rootstock in the axils of radical leaves. 
Nearly glabrous: leaves lanceolate to ovate: perennial. ............ eee eeeeceeces 6, 7 
Canescently villous: leaves linear: capsule 4-winged: annual..........-...6.00.0-0e 8 
§ 3. Calyx-tube obconic or short-funnelform: stigma capitate: capsules narrow, sessile or 
nearly so, often contorted. 
Flowers axillary, yellow: capsule sharply 4-angled, usually contorted........ 98, 10, 11 
Flowers axillary, small, yellow: capsule obtusely angled, curved..... ........- 12, 13 
