ACANTHACEAE 287 



3. CONOPHOLIS Wallr. 



1. Conopholis Americana (L. f • ) Wallr. Squaw-root. (Man. p. 

 850; I. F. /. jj6j.) In rich woods at bases of trees, Can. (?), Me. to 

 Mich, and Fla. — Pennsylfania : Bucks; Delaware; Chester; Lan- 

 caster; Franklin; Somerset; Columbia; Mercer; Allegheny. 



4. LEPTAMNIUM Raf. 



1. Leptamnium Virginianum (L.) Raf. BeECH-drops. (Man. p. 

 850; I. 'B, /. 3364.) In beech woods, N. B. to Fla., Ont., Mich., Mo. 

 and 1,3..— Pennsylvania : Northampton; Bucks; Delaware; Ches- 

 ter ; Lancaster ; Franklin ; Huntingdon ; Venango ; Erie ; 

 Allegheny. 



Family 13. BIGNONIACEAE Pers. Trumpet- creeper Family. 



Leaf -blades compound : vines or rarely herbaceous shrubs. 

 Calyx with an undulate edge : capsule flattened parallel with its partition. 



1. BiGNONIA. 



Calyx with 5 lobes : capsule flattened at right angles with its partition. 



2. Tecoma. 

 Leaf-blades simple : trees. 3. Catalpa. 



1. BIGNONIA L. 



1. Bignonia crucigera L. TendrillEd TrumpeT-Flower. (Man. 

 p. 851 ; I. P-/- 3363.) In moist woods, Va. to Fla., La., Ohio and 111. 

 — Pennsylvania : Reported from the lower Susquehanna. 



2. TECOMA Juss. 



1. Tecoma radicans (L.) DC. Trumpet-flower or -creeper. 

 (Man. p. 851 ; I. F. f. 3366.) In moist woods and thickets, N. J. and 

 Pa. to Fla., Tex., Kans. and 111. Escaped further north. — Pennsyl- 

 vania : Bucks ; Lancaster ; Fayette ; Allegheny. 



3. CATALPA Scop. 

 1. Catalpa Catalpa (L.) Karst. CaTalpa. Indian Bean. (Man. p. 

 852; I. F. /■336^.) Escaped northward as far as Pa. and southern N. 

 Y. — Pennsylvania : Lehigh ; Northampton ; Bucks ; Philadelphia ; 

 Delaware ; Lancaster ; Allegheny. 



Family 14. MARTYNIACEAE Link. Unicorn-plant Family. 

 1. MARTYNIA L- 

 1. Martynia Louisiana Mill. Unicorn-plant. (Man. p. 853; I. F. 

 /• 3369-) 111 waste places, escaped. Me. to N. J. and N. C. Native from 

 lo-wa, 111. and Kans., southward. — Pennsylvania : Bucks ; Dauphin. 



Family 15. ACANTHACEAE J. St. Hil. Acanthus Family. 

 Androecium of 4 stamens : corolla nearly regular, convolute in the bud. 



1. RUELLIA. 



Androecium of 2 stamens : corolla 2-lipped, imbricated in the bud. 



2. DiANTHERA. 



