6 ANOXACEAE. 



DELPHINIUM I,. LARKSPUR. Herbs, with palmately cut or divided leaves, 

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

 Petals irregular 1 or 2, upper pair prolonged back into the spur of the calyx. 

 Pistils becoming many Beeded pods in fruit. 



* Perennials; leaven long-petloled; pistils 3. 

 D. trxorne Mx. DivarJ L. Stem .simple, hollow, \-\ feet high, glabrous or 

 pubescent; roots a cluster of small tubers; leavesabout o-parted, divisions 2-3- 

 cleft; raceme open; flowers blue or whitish; spur ascen ling, nearly straight; 

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

 Clark. Pottawattomie, Mahaska, and Shelby counties. 



D. c.zureum Mx. Stem slender, 1-3 feet high, nearly so:id, 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. ( 1). carollnlanum Walt. ) 



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

 Reported; so-called specimens proved tobeD. azureum Mx. (D. ureeolaturn J a.c. ) 

 * * Annuals, (scapes; petals:', pistil I. 



D. aj^cis \j. 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 glabrous pods, lon- 

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

 as an'escape in Adams and Mahaska counties. 



ACTAEA L. Banbrbrric. Cohosh. Perennial herbs. 2-4 feet high, with 

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

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

 Pistil 1 . Fruit a globular many-seeded berry. 



A. rubra ( Ait. ) VVilld. 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, Jchu- 

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

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



A. alba ( L. ) Mill. White B. Resembles the preceeding in general appear- 

 ance: flowers appear 2-3 weeks later: recerae 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 counties. 



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 

 terminate 1 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. 



hi canadensis L. Orange-root. Oolden Seal. Stem about 1-foot high, erect; 

 Leaves rounded, 4-9-inches wide. 5-7-lobed, doubly serrate, veiny, base cor- 

 date, root stock contains a yellow dye. Rich woods: April: rather rare; Win 

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



ANONACEAF DC. CnSTARD -A pple Family. 



Trees or shrubs, with alternate entire exstipulate leaves, and solitary 



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



rows, thickish, valvate in the bud. hypogynous. Stamens many; anthers 



adn ite, extrorse, Represented in our flora by a single spjeies of the ore- 



