Ebiiw Family. 1(ir> 



no.lia, inserted at the base? of the corolla; anthers linear; capsule 5-10-valved, 

 10-20-seeded. 



S. ciliatum (L.) Baf. Stem erect, 4-angled, .simple; leaves lo'ng-petioled, 

 lanceolate-ovate, tapering to a, sharp point, base cordate, petiole and fre- 

 quently the margins of the leaf eiliate: corolla longer than the calyx. Thick- 

 ets; June-August; common. 



S. lanceolatum (Walt.) Gray. Erect: 10-24 inches high, leaves lanceolate 

 to linear, on short margined petioles or nearly sessile, very variable. Wet 

 grounds; June-August; frequent; Allamakee. Fayette, Delaware, Louisa, 

 Johnson, Linn, Decatur, Kinggold, Story, Calhoun, and Kossuth counties; 

 reported from Lyon and Emmet counties. 



S. longifolium (5 ray. Mem erect, slender, 4-augled; leaves sessile, oppo- 

 site or whorled, very narrow, linear, margins revolute, the lower oblong or 

 spatulate; river bottoms; June-July; Winneshiek, Fayette, Story. Cerro- 

 (lordo, and Dallas counties; reported from Scott county. ^S. quatJrillurttiu 

 (Sims) Hitchcock). 



LYSIMACr|IA L. Similar to the preceding genus. Leaves glandular- 

 dotted, sessile. Stair.inodia present or wanting. Filaments united at. the 

 base; anthers oval or oblong. 



L. thyrsiflora L. Stem 1-2 feet high, simple; leaves narrowly lan-e. date, 

 the lower scale like; inflorescence in thyrsoid pedunculate axillary clusters, 

 shorter than the leaves, from the middle axils; petals, linear, dotted. :>-7, 

 with as many intervening teeth; stamens exserted. Swamps; May-liily; in- 

 frequent; Emmet, Fayette, and Linn counties; reported from Muse.ithie and 

 Story counties. {XiuimJutiyUi tlnjrxiflura (L.) Dubyl. 



L. stricta Ait. Stem 1-2 feet high, 4-angled, at length branched; leaves 

 usually opposite, lanceolate, tapering both ways; flowers in a terminal 

 raceme, yellow; corolla with purple streaks and unarmed .sinuses; axils often 

 bulblet bearing. Swamps: June-August; rare: Linn countj% reported from 

 Fayette county. (/-.. ferrcMrix (L.) B. S. P.) 



ANAGALLIS L. Ours a diffuse annual, with opposite sessile entire leaves. 

 and axillary peduncled flowers. Calyx 5-parted, the lobes subulate, spread- 

 ing. Corolla rotate, 5-parted. Stamens 5, inserted on the base of the corolla; 

 filaments hairy. 



A. arvensis L. Stem 4-12 inches long, glabrous, branched; leaves black? 

 dotted beneath, membranous; peduncles longer than the leaves, at length 

 recurved; corolla scarlet with a purple center, the segments crenate and 

 glandular-ciliate. Waste places; May-August; reported from Lee county. 



EBENACEAE Vent. Ebony Family. 



Trees or shrubs, destitute of milky juice, with alternate entire exstipu- 

 late leaves, and dioecious polygamous or rarely perfect flowers. Calyx 

 persistent, 3-6-lobed. free from the ovary. Corolla 3-li -cleft, deciduous. 

 Stamens two or three times the number of the lobes of the corolla, usu- 

 ally some imperfect ones in the pistillate flowers. Ovary several-celled, 

 with 1-3 pendulous ovules in each cell. Fruit a berry. Represented by 

 the cjenus Diospyros L. 



D. virginiana L. JPcn.fm.mfiH A small tree, ordinarily 10-30 feet high; 

 wood hard, tough, blackish; leaves ovate or oval, acuminate, at first pubes- 

 cent, becoming glabrous, petioled; flowers mostly 4-parted, cymose, racemose 

 or solitary: corolla pale greenish yellow: stamens about 10 in the sterile 



