ORDER 93. CONVOLVULACE^E. 575 



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

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

 length of ihe acute lobes and acute cal. setjm.; scales small, 2-lobed, or ofiener of 

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

 "Wis. tu Ark., also in Del. on Polygo.nuru, &e. Fls. about 1" long. Fr. greenisli 

 yellow. 



4 C. arvensis (Beyrich) /?. PEXTAGONA 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 tho cor. ; lobes of 

 the corolla acute or acuminate, longer than the tube, reflexed, with the point inftexed; 

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

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

 Caps, yellowish. 



5 C. tenuifldra Engelm. Pale, much branched; fls. mostly 4-parted, short pedr 

 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. anJ Westward, in wet places, on Cephalan- 

 thus, Aster, &c. Cor. 1" or Ic-oS ia length. Caps. 1 to 1" diam. 



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

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

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

 point indexed; sty. 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, Compositac, &c-. Fls. larger than in any of the preceding species, H to 

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

 in DC.) 



7 C. inflexa Engelm. Fus. pediceled, mostly 4-parted, in loose, paniculate cymes, 

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

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

 divaricate on the thickish brown capsule which bears the dead corolla at its 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, 

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

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

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

 U. 8., 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. ! to !}" 

 long. 



ft. LATIFLORA (Engelm.) Cal. thin; cor. tube shallow, as long as tho lobes; 

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



9 C. rostrata Slmtt. 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 tho 

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

 catnpanulate, 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 Composites. Fls. about 2" long, forming compact, cylin- 

 drical masses, while the stems decay, appearing as if springing from the steu.s 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 (''), orbicular; cor. tube slender, with 5 oblong lobes, withering art 

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

 of tho 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. 



