CICHORIA CEAE. 89 1 



t the base. Style-branches slender, obtushish. Achenes 5-angled or 5-ribbed, 

 ■uncate, not beaked. Pappus of 2 or 3 series of short blunt scales. [From the 

 .rabic name.] About 8 species, natives of the Old World. 



1. Cichorium intybus L. Chicory. Wild Succory. Blue Sailors. 

 UNK. (I. F. f. 3513-) Perennial from a long deep tap-root ; stems slightly his- 

 id, stiff, much branched, 3-9 dm. high. Basal leaves spreading on the ground, 

 uncinate-pinnatihd, spatulate in outline, 7-15 cm. long, narrowed into long peti- 

 les; upper leaves much smaller, lanceolate or oblong, lobed or entire, clasping 

 nd'auricled at the base; heads numerous, 25-37 mm. broad, 1 -4 together in ses- 

 ile clusters on the nearly naked or bracted branches; inner bracts of the involu- 

 te alxmt 8. Roadsides, fields and waste places, N. S. to Minn., N. Car., Neb. 

 ml Kans. The ground-up root is used as a substitute or adulterant for coffee. 

 uly-Oct. 



Cichorium Intybus divaricatum DC. Some or all the heads on stout spreading 

 eduncles 2-10 cm. long. Frequent with the type. 



2. LAPSANA L. 



Annual erect branching herbs, with alternate dentate or pinnatifid leaves, and 

 mall panicled slender-peduncled heads of yellow flowers. Involucre nearly cylin- 

 Iric, its principal bracts in 1 series, nearly equal, with a few exterior small ones 

 it the base. Receptacle flat, naked. Rays truncate and 5 -toothed at the apex. 

 Anthers sagittate at the base. Style-branches slender. Achenes obovate-oblong, 

 :o-30-nerved, somewhat flattened, narrowed below, rounded at the summit. Pap- 

 ms none. [Greek, /amj>sana, the name of a crucifer.] About 9 species, natives 

 »f the Old World. 



i. Lapsana communis L. Nipplewort. Succory Dock-cress. (I. F. f. 

 5514.) Stem paniculately branched, glabrous above, more or less hispid-pubes- 

 :ent below, 3-10 dm. high. Lower leaves ovate, repand-dentate, obtuse, thin, 

 mbescent, or glabrate, petioled, 5-10 cm. long, often with 2-6 lobes on the peti- 

 >le, the uppermost oblong or lanceolate, sessile, acute, much smaller, mostly en- 

 ire; heads very numerous, 6-12 mm. broad; involucre oblong-cylindric, 4-6 mm. 

 righ, of about 8 linear glaucous principal bracts and several very small outer ones. 

 \long roadsides and in waste places, Quebec and Ont. to N. J. and Penn. Also on 

 :he Pacific Coast. Nat. from Europe. June-Sept. 



3. SERINIA Raf. 



Low glaucescent branching annual herbs, with alternate clasping entire or 

 obed leaves, or those of the stem sometimes appearing as if opposite, and few 

 small long-peduncled heads of yellow flowers. Involucre broadly campanulate, 

 its bracts about 8, equal, membranous, becoming concave after flowering. Recep- 

 tacle flat, naked. Rays truncate and 5-toothed at the apex. Anthers sagittate at 

 Lhe base. Style-branches slender. Achenes obovoid, 8-10-ribbed, contracted at 

 t:he base, rounded at the summit. Pappus none, or a mere vestige. [Greek, 

 pmall chicory.] Three known species of the southern U. S. 



1. Serinia oppositifolia (Raf.) Kuntze. Serinia. (I. F. f. 3515.) Gla- 

 brous throughout, or slightly glandular-pubescent along the ends of the peduncles, 

 branched from the base, 10-25 cm. high. Basal and lower leaves petioled, oblong- 

 lanceolate or spatulate in outline, acute or obtuse, entire, lobed or pinnatifid, 7-12 

 bm. long, 4-12 mm. wide; upper leaves mainly sessile, clasping, alternate, or appear- 

 ing as if opposite, usually entire, smaller; peduncles very slender, sometimes I dm. 

 ong; heads 3-4 mm. broad; bracts of the involucre acute or acuminate, about the 

 ength of the rays. In fields, Kans. to Tex., N. Car. and Fla. March-May. 



4. ADOPOGON. Neck. [KRIGIA Schreb.] 



Herbs, with scapose or leafy stems, basal or alternate leaves, and small or 

 niddle-sized heads of yellow or orange flowers, solitary at the end of the scape or 

 jts branches. Involucre campanulate, its herbaceous bracts in 1 or 2 series, with 

 |io exterior shorter ones. Receptacle flat, naked. Rays truncate and 5-toothed 

 t the apex. Anthers sagittate at the base. Style-branches slender, obtusish. 

 Vehenes turbinate or oblong, 15 -20- ribbed, truncate. Pappus in 1 or 2 series, the 



