Chapter L: COMMUNIS, L. Nearly smooth, 1--2 deg. high; lower leaves ovate, sometimes

lyre-shaped.--Roadsides, N. Eng. to N. Y. and Penn. (Nat. from Eu.)

84. KRIGIA, Schreber. DWARF DANDELION.

Heads several--many-flowered. Involucral scales several, in about 2 rows, thin. Achenes short and truncate, top-shaped or columnar, terete or angled; pappus double, the outer of thin pointless chaffy scales, the inner of delicate bristles.--Small herbs, branched from the base; the leaves chiefly radical, lyrate or toothed; the small heads terminating the naked scapes or branches. Flowers yellow. (Named after _D. Krieg_, an early German botanical collector in this country.)

Sec. 1. KRIGIA proper. _Achenes turbinate, 5-angled; pappus of 5--7 short roundish chaff and as many alternating bristles. Annual._

1. K. Virginica, Willd. Stems or scapes several (1--10' high), becoming branched and leafy; earlier leaves roundish and entire, the others narrower and often pinnatifid.--New Eng. to Minn., and southward. April--Aug.

Sec. 2. CYNTHIA. _Achenes more slender; pappus of 10--15 small oblong chaff and 15--20 bristles. Perennial._

2. K. Dandelion, Nutt. Roots slender, tuberiferous; _scapes leafless_, 6--18' high; leaves varying from spatulate-oblong to linear-lanceolate, entire or few-lobed. (Cynthia, _DC._)--Moist ground, Md. to Ky., and southward. March--July.

3. K. amplexicaulis, Nutt. _Roots fibrous; stem-leaves 1--3_, oblong or oval, clasping, mostly entire; the radical ones on short winged petioles, often toothed, rarely pinnatifid; peduncles 2--5. (Cynthia Virginica, _Don._)--Moist banks, Conn. to Minn., and southward. June.--Stem 1--2 deg. high.

85. CICHORIUM, Tourn. SUCCORY or CHICORY.

Heads several-flowered. Involucre double, herbaceous, the inner of 8--10 scales, the outer 5, short and spreading. Achenes striate; pappus of numerous small chaffy scales, forming a short crown.--Branching perennials, with deep roots; the sessile heads 2 or 3 together, axillary and terminal. Flowers bright blue, varying to purple or pink, showy. (Altered from the Arabian name of the plant.)