Mallow Family. 23 



rowly oblong- or oblanceolate. base tapering into a slurt petiole: stamens dis- 

 tinct: pod 3-ceiled. Dry soil, fence rows and thickets; July- August; 



infrequent; Johnson, Jefferson. Henry, Des Moines. Lee, and Appanoose 

 counties. 



\-\. cistifolium Lain. Stem 1-2 feet higfa, 4-angled. from a somewhat 

 woody perennial base; leaves linear-oblong, obtuse, sessile, somewhat clasp- 

 ing-, with smaller leaves in the axils: cyme compound, many-flowered; sepals 

 ovate, varying to linear: stamens distinct: capsule 1-celled. with 3 parietal 

 placentae. Sterile soii; July- August; frequent; Dubuque. Muscatine, John- 

 son. Henry, Appanoose, and Fremont counties, reported from Clinton and 

 Lenton counties, ill. sphaerocurpum Mx.) 



hj. maculatum Walt. Stem 1-3 feet high, from a woody perennial base: 

 leaves short-petioled. sessile or clasping, oblong or ovai:e-lanceolate. obtuse, 

 black-dotted; flowers small, numerous; sepals ovate: petals longer, pale-yel- 

 low; stamens in 3 or 5 sets: capsules 3-celled. Moist soil, fields and open 

 woods: July-September: frequent. 



hj. pe foratum L. Leaves oblong or linear: sepals lanceolate. Intro- 

 duced. Henry county, and probably other localities. 



* * * Annuals; stamens few; styles 3. 



H|. mutilum L. Stems tufted. %-2% feet high, branched: leaves ovate or 

 oblong, obtuse, sessile or partly clasping. 5-nerved; flowers small, subulate- 

 bracted: sepals linear to oblanceolate; pods ovate-conical, exceeding the 

 calyx. Low places, open woods: July-September; common; Decatur and 

 Johnson counties, reported from Muscatine and Scott counties. 



\-\. ma jus (Gray.) Britton. Stems varying from J£-2 feet high, with 

 nearly erect branches: leaves lanceolate or oblong-lanceolate, sessile. 5-7- 

 nerved. obtuse or acute; bracts subulate; sepals lanceolate, acuminate. 

 Moist soil: June-September: frequent. 



hj- canadense L. Stems %—2 feet high, with erect or ascending angular 

 branches: leaves linear. 3-uerved. obtuse, tapering toward the base; bracts 

 and sepals similar to those of the last. Sandy soil; July-September; probably 

 frequent. 



H- drummondii (G. & H ) T. & G. A bushy branched annual. l-2>2 feet 

 high, with small linear-subulate 1-nerved leaves, anr 1 scattered flowers; 

 sepals lance-linear, exceeding the petals; stamens 10-20: styles 3. Dry soil; 

 July-September: reported from Iowa. 



ELODES Adans. Perennial herbs of marshy places with opposite leaves 

 and pink or greenish purple flowers in terminal or axillary cymes. Sepals ."». 

 equal. Petals 5. imbricated in the bud. not contorted. Stamens 9 or more, 

 in 3 sets which are separated by large orange-colored g-lands. Styles 3. Pods 

 oblong, 3-celled. 



E. campanulata Pursh. Stem 1-2 feet high, nearly simple: leaves ovate 

 or oblong, sessile or cordate-clasping, glaucous beneath, apex very obtuse or 

 emarginate: capsule and frequently the stem red purple Borders of swamps: 

 July-September; infrequent: Fayette. Muscatine. Cerro Gordo, and Emmet 

 counties. {Triadenum vlrginicum (L.) Raf.) 



MALVACEAE Neck. Mallow Family. 

 Herbs or shrubs, with fibrous bark, simple alternate stipulate usually 

 palmatelv-veined leaves, and axillary flowers on jointed pedicels. Calyx 

 5-lobed, valvate, often with an involucre of few or many bractlets at the 



