VOL. II.] 



PEA FAMILY. 



13. Trifolium Carolinianum Michx. Caro- 

 lina Clover. (Fig. 2082.) 



Trifolium Carolinianum Michx. Fl. Bor. Am. 2: 58. 

 1803. 



Perennial, pubescent, tufted, ascending or procum- 

 bent, much branched from the base, 3 x -8' high. 

 Leaves slender-petioled; stipules ovate or ovate-lan- 

 ceolate, foliaceous, 2 // -4 // long, acute, few-toothed 

 toward the apex, or entire; leaflets all from the same 

 point, short-stalked, obovate, emarginate or obcor- 

 date, cuneate at the base, denticulate, 2 // -6 // long; 

 heads globose; peduncles slender, elongated; flowers 

 purplish, 2 // -3 // long; standard apiculate; pedicels 

 !//_ 2 // long, strongly reflexed in fruit; corolla scarcely 

 longer than the calyx; calyx-teeth subulate, longer 

 than the tube; pod about 4-seeded. 



In waste places about Philadelphia, and in fields and 

 open places, Virginia to Florida, west to Texas. March- 

 Get. 



14. Trifolium repens L,. White, Dutch or Honeysuckle Clover. 



(Fig. 2083.) 



Trifolium repens L. Sp. PI. 767. 1753. 



Perennial, glabrous, or with a few scattered 

 hairs, branching at the base, the branches creep- 

 ing, often rooting at the nodes, 4 / -i2 / long. 

 Leaves long-petioled; stipules ovate-lanceolate 

 membranous, acute, 2 // ~5 // long; leaflets all 

 from the same point, short-stalked, obovate, 

 emarginate or obcordate, broadly cuneate at the 

 base, denticulate, 4 // -9 // long; heads globose, 

 long-peduncled; flowers white, 3 // -5 // long; 

 pedicels i // -2 // long, finally reflexed; corolla 

 2-3-times as long as the calyx; calyx-teeth 

 acuminate, somewhat shorter than the tube; pod 

 about 4-seeded. 



In fields, waste ground and open places, very 

 common throughout our area and in the southern 

 States. Also in the Northwest. Naturalized from 

 Europe, or perhaps native in the extreme north. 

 Native also of Siberia. Widely distributed in all 

 temperate regions. Leaflets sometimes 4-9. Heads 

 occasionally proliferous. Flowers sometimes pink- 

 ish. English names, Sheep's Gowan, Honeystalks, 

 Lamb-sucklings, and sometimes Shamrock. May- 

 Dec. 



13. LOTUS I,. Sp. PI. 773. 1753- 

 [HOSACKIA Dougl.; Benth. Bot. Reg. pi. 1257. 1829.] 



Herbs or shrubs, with i-3-foliolate simple or pinnate leaves, and solitary or clustered red- 

 dish yellow or white flowers. Calyx-teeth nearly equal. Petals free from the stamen-tube; 

 standard ovate or orbicular; wings oblong or obovate; keel incurved, obtuse or beaked. Sta- 

 mens diadelphous (i and 9); anthers all alike. Ovary sessile, i-several-ovuled. Pod linear 

 or oblong, flattish or terete, 2-valved, i-several-seeded, septate or continuous between the 

 seeds. [The Greek name of several different plants.] 



About 120 species, of wide geographic distribution. Besides the following, some 40 others 

 occur in the western and southwestern United States. 



Corolla yellow; flowers umbelled. 



Corolla rose-color; flowers solitary in the axils. 



1. L. corniculatus. 



2. L. Americanus. 



