ONAORACEiS. 61 



Annual: stems round: leaves mostly alternate: petals obcordate 12, 13, 14 



1. E. spicatum, Lam. Simple stem often 5 or 6 ft. high: flowers spicate. 



2. E. latifolium, Linn. Shorter, less erect, often branching: style glabrous. 



3. E. obcordatum, Gr. Petals obcordate, spreading, rose-color. Alpine. 



4. E. luteum, Pursh. Oregon to Alaska. 



6. E. Watsoni, Barbey. Hoary-pubescent, branching: petals narrow, obcordate. 



6. E. coloratum, Muhl. Erect, branched, puberulent: leaves mostly opposite. 



7. E. alpinum, L. Creeping, 2 to 6 inches high: flower-buds ovoid : anthers globose. 



8. E. origanifolium, Lane. TaUer: large petals obcordate, purple to white. 



9. E. Eranciscanum, Barb. Stems 2 to 4 ridged: petals purple, emarginate. 



10. E. brevistylum, Barb. Similar: petals smaller, obcordate, pinkish. S. N. Mts, 



11. E. glaberimum, Barb. Glaucous: leaves connected at base: petals notched. 



12. E. paniculatiua, 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. 



5. GAYOPHYTTJM, A. Jussieu. 



1. Q. ramosissimum, T. & G. Diffuse, 6 to 18 inches high: capsule S-S-seeded. 



2. G. racemosum, T. & G. Leas branched, more flowers, capsule 8 to 10 lines long. 



3. G. pumilum, Watson. Smaller: capsule 6 lines long, the many seeds obLque. 



4. G. diffiisum, T. & G. Flowers li to 3 lines broad, usually pink: capsules on 

 pedicels. 



6. EULOBUS, NuttalL 



1. E. Califomicus, Nutt Stout, 1 to 3 ft. high: petals 4 or 6 lines broad, yellow. 



7. (ENOTHEBA, Linnaeus. 



§ Calyx-tube much prolonged beyond the ovary: stigma-lobet slender. 



Tall: flowers yellow, erect in bud: seeds in 2 rows in each cell 1 



Stems white: flowers white or purplish, IJ or 2 inches broad: buds nodding 2, 3, 4 



Stemless: calyx-tube 2 to 4 inches long: capsule wing-angled 5 



§ 2. Calyx-tube filiform, stem-like above the ovary: stigma capitate: flowers yellow, eesaiU 

 on the top of a rootstock in the axils of radical leaves. 



Nearly glabrous: leaves lanceolate to ovate: perennial 6, 7 



Canesoently villous: leaves linear: capsule 4-winged: annual 8 



§ 3. Calyx-tube obconic or short-funneljorm: stigma capitate: capmlet narrow, sessile or 



nearly so, often contorted. 



Flowers axillary, yellow: capsule sliaridy 4-angIed, usually contorted. 9, 10, 11 



Flowers axillary, small, yellow: capsule obtusely auuled, curved 12, 13 



