512 Order 83.— BIGNONIACE^E. 



anions, tlic upper flowers complete but sterile, the lower imperfect, fer- 

 tile ; Calyx 5-toothed ; $ corolla tubular, compressed, curved, upper lip 

 emargiuate ; stamens barely included ; ? corolla 4-toothcd, short, 

 deciduous, without expanding ; stamens imperfect ; capsule, 2-valved, 

 opening on the upper side. — Parasite on the roots of the beech. Branches 

 simple, spicate, floriferous their whole length. 



E. Virgiiiiaua Bart. — In Beech wood?, Can. to Ga. and Ky. Root a ball of rigid, 

 short, brittle radicles. Plant If high, leafless, of a dull, red color, glabrous, 

 branching and flower-bearing its whole length. Fls. alternate, subsessile, brown- 

 ish white, the sterile, 4 to 5" long. Aug., Sept. 



2. CONOPH'OLIS, Wallroth. Squaw Root. (Gr. utivog, a cone, (poXtg, 

 a scale ; from its resemblance.) Flowers perfect, crowded, spieate ; calyx 

 with 2 bractlets at the base, unequally 5-cleft ; corolla ringent, 2 lipped, 

 tube curved, upper lip 2-!obed, lower 3-parted ; anthers sagittate 2-celled, 

 cells acute at base ; capsule with 2 placenta) on each valve. — Stem 

 short, thick, simple, covered with ovate-lanceolate, acute, imbricated 

 scales, the upper with the fls. subsessile in their axils. 



1 C. Americana Wallr. Very smooth ; stem very thick ; scales oval-lanceolate ; 

 calyx more deeply cleft on the lower side; cor. ventricous; stam. exserted. — Old 

 woods, Can. to Ga. and La. Stem 4 — 7' high, and near 1' thick, of a brownish 

 yellow, covered with pale, polished scale3 regularly imbricated as in a Pino cooo. 

 July. (Orobanche, L.) 



2 C. Ludoviciana. Glandular pubescent; stem rather thick, very short; scales 

 ovate ; eal. subequally and deeply cleft ; cor. tubular, much longer than the 

 bracts; stam. included. — Alluvial soil, 111. (Hall, fide Gray), to Nebraska. St 

 3 to 4' high. Fls. very numerous and crowded. Cal. segm. linear, acute. Cor. 

 purple. Oct. (Orobanche, Nutt. Philipsea, Don.) 



3. APHYL'LON, Mitchell. (Orobanche, L.) Naked Broomrape. 

 (Gr. a, privative, (pvXXov, a leaf; alluding to its leafless character.) 

 Flowers perfect, solitary, on long bractless peduncles or scapes ; calyx 

 regularly 5-cleft, campanulatc ; corolla tube elongated, curved, border 

 spreading, subequally 5-lobcd ; anthers included, cells distinct, mucron- 

 ate ; capsule with 4, equidistant placentae. Plants glandular, pubes- 

 cent. St. very short, producing at the summit, 1, 2, or many flower 

 Ktalks, and few if any scales. 



1 A. uniflora Torr. & Gr. Ped. in pairs or simple, naked, each 1-flowercd. — A 

 small, leafless phint, with the general aspect of a Monotropa, found in woods and 

 thickets. Can. and U. S. St. not exceeding £' in length. This divides at its 

 top generally into 2, scape like, erect, round, simple, naked peduncles 4 to 5' high, 

 downy, purplish white, with a nodding flower at the top, of the same hue. Jn., Jl. 



2 A. fasciculata Torr. & Gr. Ped. many, nearly terminal, about the length of 

 the stem ; scales few, ovate ; cor. lobe3 short, rounded. — Islands in Lake Huron 

 (Engelman, fide Gray), W. to Nebraska. Stem arising 2 to 3' out of the ground. 

 Ped. G or more, same length Fls. palo purple. May. 



Order LXXXIII. BIGNONIACE^E. Trumpet Flowers. 



Trees, shrubs, or rarely herbs, often climbing or twining, with opposite, exstipu- 

 fcito leaves. Flowers monopetaloua, irregular, 5-merous, showy. Stamens 5, 1 or 3 

 sterile, didynarnou", or diandrous. Anthers 2-celled. Ovary 2-celled, seated in a 

 fleshy disk. Style 1. Stigma of 2 plates. Capsule coriaceous, 1 to 2-celled, 

 5-valved, many-seeded. Seeds generally winged, destitute of albumen. 



