572 Order 93.— CONVOLVULACE^. 



2 P. Nil Choii MOENINO Glory. Lvs. cordate, 3-lobecl; fls. lialf 5-cleft; ped. 

 ~ shonor tlian the petioles, 1 — 3-flowered ; sep, ovale, long -pointed, den.sely hairy 

 below. — A very beautiful twining plant, found wild, Porin. to Flor., in fields, but 

 best known as a garden annual. Stem and leaves somewhat hairy. Flowers 

 largo, the tube white and the border of a clear blue color (whence its specific 

 name. Anil or Nil, indigo), drying light scarlet. It is of the easiest culture, ami 

 raised from the seed. July — Sept. \ 



4. IPOMCE^A, L. False Bind-weed. (Gr. 2^i/), Irrog, bind-weed (or 

 perhaps ti/iOf, ivy), and Ofioiog, similar.) Calyx 5-sepaled ; corolla cam- 

 panulato ; stam. included; style 1; stigma capitate, usually 2-lobed ; 

 ovary and capsule 2-celled, cells 2-seoded. — A large genus of herbs, 

 shrubs or trees, chiefly tropical. One species are herbs, creeping or 

 climbing. 



* Flowe.ra capitate, involucr.ito, small, blue. Sepals hairy No. 1 



* Fiowerd separate. — Sepals bristljcillato, capsules somewhat hairy Nos. 2, li 



— Sepals glabrous. — Flowers purple. Maritime .'..Nos. 4, 



— Flowers white, rarely yellow Nos. C--^ 



1 I. tamnifolia L. St. terete, hirsute; lvs. hirsute ovate, cordate, acuminate; 

 ped. as long as the leaves ; fls. {small, blue) in involucraie heads, bracts unequal, 

 lanceolate or linear, acute; sep, very hairy, linear-subulate. — (JD Middle Ga. to 

 La. Vihe trailing and climbing, clothed all over with tawny hairs. Lvs. large, 

 on long petioles. Ped. 2 to 3' long. Fls. crowded, 9" long, blue. 



2 I. oommutata E. & S. St. slightly pubescent ; lvs. cordate, entire or 3-lobed, 

 smoothish, hairy at the insertion of the long petiole, auricles obtuse below, middle 

 lobe dilated at base or ovate; ped. about equaling the petioles, 2 to 5-flowered; 

 sepals lanceolate, acuminate, ciliate-hirsute, i times shorter tlian the corolla; caps, 

 hairy. — J) In dry fields, S. Car. to La. Sts. twining and climbing. Petioles 1 to 

 2' long. Fls. usually 3 on each peduncle, purple, varying to pink, bell-shaped, 

 18" long. Jl.— Oct. (L triohooarpa Ell.) 



3 I. lacunosa L. Minutely pubescent ; st, twining; lvs. cordate, acuminate, an- 

 gular-lobed or entire, on long petioles; ped. 1 to 3-ftowered, half as long as the 

 petioles ; sep. bristly cihate, oblong-lanceolate, acute, half as long as the corolla ; 

 caps, pilous. — (D Penn., Md. to Fla., La. and 111. A small, prostrate species, 2 to 

 Gf long, in dry fields and hills. Lvs. 2' by 1|', deeply cordate, often deeply 3- 

 lobed, petioles 1 to 3' long. Fls. about 1' long, white with a purplish rim. Aug., 

 Sept. (C. micrantlius Riddcll.) 



4 I. Pes-o^pr3B Sw. St. prostrate, slightly scabrous ; lvs. roundish, emarginaic 

 or 2-lobed, rather thick, petiolate, strongly veined ; ped. 1 to 5 (generally S)-flowered, 

 as long as the petioles ; sep. ovate-lanceolate; cor. ample, with a short tube. — 

 Coast and Isl. of Ga. Lvs. 2 to 3' long and wide, as long as the petioles and 

 peduncles. Pedicels bractcd, 1 to 2' long. Cor. near 3' long, purple. Jn. — 

 Sept. 



5 I. sagitt^ta Desf. Glabrous ; lvs. cordate-sagittate, veiny, gradually acute and 

 mucronate, auricles acute or rounded, petioles elongated ; ped. as long as the 

 petiole, but much shorter than the solitary, ample flower; sep. ovate, obtuse, 

 short. — U Borders of salt marshes, S. Car., Ga. to La. St. long and twining. Lvs. 

 2 to 3' long, the sides nearly straight. Ped. very thick. Cor. 3' long, the bor- 

 der spreading 2' or more, purple. Ju. — Aug. 



6 I. sinuata Ort. St. hirsute; lvs. glabrous, or the veins Ix^neath hirsute, pai- 

 mately 1 -cleft, the segm. pinnatifid, with obtuse teeth; ped. 1 to 2-flowered, as 

 long as the petioles ; sepals lance-ovate, nearly as long as the tube of the cam- 

 panulate coroUa. — 1( Ga., Fla., in calcareous soils (Michaux). Lvs. varying to 

 binuate-lobed. A twining vine. Fls. white, 1' long. (I. dissocta Ph.) 



7 L ciliolata Pers. St. smooth; lvs. cordate, acuminate, smooth, the margin 

 sparingly ciliate, petioles elongated ; ped. l-flowered, 2-braoted above, as long as 

 the petioles ; sep. broadly ovate, obtuse or mucronulate ; cor. tubular, companulato. 

 — y N. Car. and Tenn. Vine twining and climbing, with Iva. elegantly heart- 

 shaped, and largo yellow coroUaa Sep. largo 1 to 9" long. (I. ciliosa Ph.) 



