ORDER 93. CONVOLVULACE^E. 575 



3 C. chlorocarpa Engelm. Low, branching orange-colored ; fls. usually 4-parted, 

 short-pediceled, in scattered, globular clusters: cor. tube campanulate, nearly the 

 length of the acute lobes and acute cal. segm. ; scales small, 2-lobed, or oftener of 

 email, lateral teeth ; sty. thick, as long as the large ovary ; caps, depressed, thin. 

 "Wis. to Ark., also in Del. on Polygo^um, &c. Fls. about 1" long. Fr. greenish 

 yellow. 



4 C. arvensis (Beyrich) /?. PENTAGONA Eng. Low; fls. small, 5-parted, pedi- 

 celed, in compound or branching clusters ; cal. angular, lobes suborbicular, obtuse, 

 thin and shining, as long as, or longer than the shallow tube of the cor. ; lobes of 

 the corotta acute or acuminate, longer than the tube, reflexed, with the point inflexed; 

 anth. round, oval; scales large, deeply fringed ; sty. slender; caps, globular. 

 111., Va., to Fla., on many plants. Sts. scarce If high. Fls. less than 1" long. 

 Caps, yellowish. 



5 C. tenuiflora Engelm. Pale, much branched ; fls. mostly 4-parted, short-pedi- 

 celed, slender, cymous-paniculate, at length conglomerate; cal. turbinate; cor- 

 tube slender, longer than the calyx, or its own short, ovate obtuse lobes; sty. 

 capillary, as long as the depressed ovary ; caps, globous, bearing the dead corolla 

 at top, often but 1 to 2-seeded. 111. and "Westward, in wet places, on Cephalan- 

 thus, Aster, Ac. Cor. 1" or less in length. Caps. 1 to 1" diam, 



6 C. decora (Chois. Engelm.) /?. PULCHERRIMA Engel. Fls. pedicellate, 5-parted, 

 large, broad-campanulate, loosely paniculate ; cal. lobes acute, length of the cor- 

 olla, crenulate on the margin ; lobes of the fleshy cor. acute, erect or spreading, 

 point inflexed ; stj r . as long as, or longer than the ovary ; caps, enveloped by the 

 dead corolla; sds. beaked, rough. S. 111. to Fla. and Tex., growing on Legumi- 

 nosse, Composites, <fec. Fls. larger than in any of the preceding species, 1^ to 

 If" long, fleshy, white. Anth. and stig. yellow or purple. (C. indecora Chois. 

 in DC.) 



7 C. inflexa Engelm. Fls. pediceled, mostly ^-parted, in loose, paniculate cymes, 

 at length glomerate ; cor. fleshy, subcylindric, lobes erect, with the acute points 

 inflexed and margins crenulate; scales minute, reduced to lateral teeth; sty. 

 divaricate on the thickish brown capsule which bears the dead corolla at iis top. 

 111. to Va. and Ga., on Hazel, Rhus, Salix, Helianthus, and other herbs and 

 shrubs, in open woods and prairies. Fls. 1" long. 



8 C. Gronovii Willd. St. filiform, thick, often high-climbing; fls. mostly 5-parted r 

 at first loosely paniculate, finally dense; cor. tube deeply campanulate, longer 

 than the cal. lobes, obtuse, flat, spreading, not reflexed ; scales large, oval, deeply 

 fringed ; ova. oval, slightly conic, invested at base with the dead corolla. Can. and 

 U. S., on coarse herbs and shrubs. The most common of all our species, in low, 

 damp or shady places, the only one in N. Eng. Sts. light orange. Fls. 1 to 1-J-" 

 long. 



p. LATIFLORA (Engelm.) Cal. thin ; cor. tube shallow, as long as the lobes ; 

 scales narrow. Mass, to Car. and 111. (C. Saururi Eng.) 



9 C. rostrata Shutt. Fls. large (2 to 3" long), pedicellate, in loose, paniculate 

 cymes; cor. deeply campanulate, lobes obtuse; scales small, deeply incisely 

 fringed; ova. elongated, bottle-shaped; caps, wiih an elongated, 2-pointed beak 2 to 

 3" long; sds. 1 to 4, bluntly rostrate. Alleghanies, Md. to S. Car., in shady 

 woods, on tall, coarse herbs. Nearly allied to the last. 



10 C. glomerata Choisy. St. filiform ; fls. in compact masses, surrounding the 

 stem, sessile ; sep. 5 (1" long), surrounded by many squarrous bracts; cor. tubular- 

 campanulate, 5-lobed, longer than the calyx, withering on top of capsule, lobes 

 lanceolate, acute, spreading or reflexed ; scales fimbriate. Abundant in Mo., 111. 

 and Iowa, chiefly on the Compositse. Fls. about 2" long, forming compact, cylin- 

 drical masses, while the stems decay, appearing as if springing from the sterna of 

 other plants. Cor. white and scarious. Anth. partly exserted. Jl. 



11 C. compacta Juss. St. thick ; fls. sessile, lateral, in dense masses ; sep. and 

 bracts minute (\' r ), orbicular; cor. tube slender, with 5 oblong lobes, withering on 

 the summit of the acutish capsule, like a calyptra ; sds. mostly but 1 or 2. Banks 

 of the St. Lawrence R., N. Y. to 111. and the Mts. of Ga., on shrubs, as Hazel, 

 Alder, Andromeda. The twined clusters in fruit are often 9 to 18" diam. 



