Plantain Family. lr-Jti 



sistent, 4-parted, scarious. Stamens 4 or rarely 2. Ovary 2-celled, rarelj- 3- 

 4-celled. Capsule in ours 2-celled, circumseissile, with one to several seeds in 

 each cell. 



P. rugelii Ueeaisne. Leaves ovate to oblong-, thinnish, pale, smooth, base 

 of the petioles purple: spike 1-2 feet long-, apex attenuated and sometimes 

 branched; capsule acutish, line of dehiscence much below the middle and 

 hidden by the calyx: seeds oval-oblong', not reticulated. Moist soil; June- 

 September; common. 



P. major T>. Common P. Leaves similar to the preceding but thicker, 

 often pubescent, base of the petioles green, spike 4 — ■! inches long, obtuse, 

 densely flowered: capsule ovate, obtuse, line of dehiscence near the middle 

 above the calyx; seeds angled, reticulated. Waste places near dwelling's: 

 June-September; less common than the preceding. 



P. lanceolata L. English P. Biennial or perennial: leaves narrowly ob- 

 long-lanceolate, acuminate both ways; scape angled, longer than the leaves; 

 spike ovate or eylindric; bracts and sepals scarious, brownish. Waste places, 

 streets; May-September: infrequent; Decatur county: reported from Story. 

 Fayette, and Van Karen counties. 



P. aristata Mi. Annual, loosely villous or glabrate; leaves narrowly 

 lanceolate to linear, green: bracts conspicuous, narrowly attenuate, more than 

 twice the length of the flowers; spike dense, cylindrical or oblong; sepals ob- 

 long, obtuse, scarious-margined: corolla-lobes spreading, broadly ovate. Prai- 

 ries and waste places: May-September; common and spreading; Decatur, Appa- 

 noose, Van Buren, Lee. Henry, Muscatine, Winneshiek. Calhoun. Ringgold, 

 Montgomery, and Pottawattamie counties; reported from Story county. 

 (P. ■jHitiiiinuicii var. arist/iUi (iray.) 



P. gnaphalioides Xutt. Annual, canescently villous, the wool often 

 tloecose and deciduous: leaves linear: bracts inconspicuous, oblong or linear- 

 lanceolate, scarcely longer than the calyx; flowers similar to those of the 

 preceding species. Waste places; May-August; infrequent; Lyon. Emmet. 

 Kremer. and Fremont counties; reported from Sioux, Humbolt, and Fa3'ette. 

 counties. (P. purshii R. <v S. P. pattujrmim var. gniiphitlloides Gray.) 



P. virginica L. Winter annual or a fibrous-rooted biennial, soft-pubescent 

 or hairv: leaves spatulate or obovate-oblong, entire or repaud-denticulate, 3— 

 .Vnerved, short- petioled or nearly sessile: scape 2-S inches high; spike rather 

 dense. 2-4 inches long; capsule usually 2-4-seeded. Sand}* soil: May-Septem- 

 ber; infrequent: Muscatine and Lee counties. 



APPENDIX. 



Atragene americano Sims. Purple V "in /fit"* Bower. Perennial trailing or 

 twinino- vine, with opposite petioled trifoliolate leaves, and large solitary 

 axillarv flowers: leaflets ovate, acute, entire or toothed, somewhat cordate; 

 sepals large, purplish blue: petals small, spatulate: stamens many; styles 

 persistent, plumose. Open rocky woods: May-June; rare; Winneshiek 

 county. (Clematis vertirillaris DC.) 



Nelumbo lutea (Willd.) Pers., Didiplis linearis Raf., and Ammannia 

 coccinea Rottb. were collected in Appanoose county during the season of 

 ISM '.I. 



Myriophyllum scabratum ilx. Decatur county. 



F^hamncs alnifolia L'Her. and Rubus triflorus Richard , were received 

 from Winneshiek county. 



