C ANONACEAE. 



DELPHINIUM L. Larkspur. Herbs, with palmately cut or divided leaves, 

 and racemose flowers. Sepals 5, upper one prolonged into a spur, petal-like. 

 Petals irregular 4 or 2, u^perpair prolonged back into the spur of the calyx. 

 Pistils becoming many seeded pods in fruit. 



* Perennials; leaves long-petloled; pistils 3. 



D. tricorne Mx. Dwarf L. Stem simple, hollow, 1-3 feet high, glabrous or 

 pubescent; roots a cluster of small tubers; leaves about 5-parted, divisions 2-3- 

 eleft; raceme open; flowers blue or whitish; spur ascenling, nearly straight; 

 pods diverging. Prairies and rich woods; May; frequent; Decatur, Union, 

 Clark, Pottawattomie, Mahaska, and Shelby counties. 



D. azureum Mx. Stem slender, 1-3 feet high, nearly solid, more or less 

 pubescent; leaves 3-5-parted, the divisions cleft into linear segments; raceme 

 strict; flowers blue to whitish; pods erect. Prairies; June; common and 

 widely distributed. ( D. carulinhtnnm Walt. ) 



D. exaltatum Ait. Raceme harrow, elongated, many-flowered; pods erect. 

 ■ Reported; so-called specimens proved to be D. azureum >lx. (D. urveolatum Jac. ) 

 * * Annuals, escapes; petals 'J, pistil 1. 



D. ajecis L. Leaves nearly sessile; the divisions narrow, numerous; flow- 

 ers numerous; spur long and narrow; pods erect, pubescent. Sparingly es- 

 caped from gardens; Fayette and Johnson counties. 



D. consolida L. Field L. Differs from the above by its glabrcus pods, lon- 

 ger and slightly bent spurs, and shorter and more open recemes. Reported 

 as an escape in Adams and Mahaska counties, 



ACTAEA L. 15aneberr\. Cohosh. Perennial herbs, 2-4 feet Tiigh, with 

 2-3-ternately compound leaves, leaflets sharply cleft and toothed, and race- 

 mose flowers. Sepals 5, white, deciduous. Petals 4-10. Stamens numerous. 

 Pijtil 1. Fruit a globular many-seeded berry. 



A. rubra ( Ait. ) Willd. Red B. Stem 1-2 feet high, bushy, raceme ovate; 

 petals spatulate, shorter than the stamens, pedicels slender; berries red. 

 Rich woods; April-May; infrequent; Winneshiek, Fayette, Muscatine, Jchn- 

 son, Sto-y, Shelby, Emmet, Winnebago, Pottawattomie, and Woodbury coun- 

 ties. ( A. spleabt var. rubra Ait. ) 



A. alba ( L. ) Mill. White B. Resembles tte preceding in general appear- 

 ance; flowers appear 2-3 weeks later; receme oblong, petals slender; pedicels 

 usually red, thickened in fruit; berries white. Rich woods; April-June; fre- 

 quent; Winneshiek, Fayette, Scott, Muscatine, Johnson, Henry, Story, Em- 

 met, Floyd, Winnebago, and, Decatur coanties. 



HYDRASTIS Ellis. Low vernal perennial plants, from thick yellow root- 

 stocks, with one radical leaf, and a hairy stem which is two-leaved above and 

 terminated by a solitary greenish-white flower. Sepals 3, soon falling. Pet- 

 als none. Stamens numerous. Pistils 12 or more. Fruit 1-2 seeded crimson 

 berries. 



H canadensis L. Ornmjo-mnt. Goldenseal. Stem about 1-foot high, erect; 

 leaves rounded, 4-'.)-inches wide, 5-7-lobed, doubly serrate, veiny, base cor- 

 date, rootstcck contains a yellow dye. Rich woods; April; rather rare; Win 

 neshisk, Fayette, and Muscatine counties; reported fron Lee county. 

 ANONACEAE DC. Cttstard- Apple Family. 



Trees or shrubs, with altei nate entire exstipulate leaves, and solitary 

 axillary flowers. Sepals 3, valvate in our species. Petals about G, in 2 

 rows, thickish, valvate in the bud, hypo^ynous. Stamens many; anthers 

 adnxte, extrorse. Represented in our flora by a single species of the o- e - 



