CAPRIFOLIACEAE 295 



Upper stem-leaves merely sessile : fruit orange-red. 2. T. aiiraniiacutn. 



B. Leaf-blades of a lanceolate or ovate-lanceolate type : corolla 5'ellowish. 



3. T. angustifolium. 



1. Triosteum perfoliatum L. Fever-wort. Horse-Gentian. (Man. 

 p. S73.) In rich soil, N. Y. to Minn., Ala., Ky. and Kans. — Pennsylvania : 

 Northampton ; Bucks ; Delaware ; Chester ; Lancaster ; Frank- 

 Eix ; Somerset ; Erie. 



2. Triosteum aurantiacum Bicknell. Scarlet- fruited Horse-Gen- 

 TiAN. (Man. p. 873; l.V.f. 3448.) In woods, Quebec to Minn., N. 



C, Ky. and Iowa. — Pennsylvania : Lancaster. 



3. Triosteum angustifolium L. Yellow or Narrow-leaved Horse- 

 GenTIAN. (Man. p. 873 ; I. F. f. 3449.) In rich soil, Conn, and L. I- to 

 N. J., Pa., Ala., 111., La. — Pennsylvania : Bucks ; Philadelphia ; Ches- 

 ter ; Lancaster. 



4. LINNAEA L. 

 1. Linnaea Americana Forbes. (Man.p. 873. ) In cold woods, Newf. 

 to Alaska, S. Dak., Colo, and Md., Pa., Mich., LTtah. — Pennsylvania: 

 Susquehanna; Wyoming; Tioga, Hillsboro; Huntingdon; Wayne; 

 Schuylkill ; Erie. 



5. SYMPHORICARPOS Juss. 



Style glabrous : fruit white. 

 Erect shrub : leaf-blades mostly over 2.5 cm. long : clusters several-flowered. 



I. 5". racemosus. 

 Diffusely spreading shrub : leaf-blades mostly less than 2.5 cm. long : clus- 

 ters i-2-£lowered. 2. 5. pauciflorus. 

 Style pubescent : fruit red. 3. 6. Symplioricarpos. 



1. Symphoricarpos racemosus Michx. Snowberry. (Man. p. 874 ; 

 I. F. f. 3451.) In rocky places and on river shores, N. S. to B. C, 

 Pa., Ky., S. Dak. and in Calif. — Pennsylvayiia : Northampton ; Bucks ; 

 Wayne, escaped ; Allegheny. 



2. Symphoricarpos pauciflorus (Robbins) Britton. LowSnowberry. 

 (Man. p. 874 ; I. F. _/l 3452.) In rocky places, Out. and Vt. to N. Y., Pa., 

 S. Dak., B. C, Neb. and Colo. — Pennsylvania : Huntingdon. 



3. Symphoricarpos Symphoricarpos (L.) MacM. Coral-berry. 

 (Man. p. 874 ; 1. F. f. 345-f-) Along rivers and in rocky places, N. J. and 

 Pa. to western N. Y., Dak., Neb., Ga. and Tex. — Pennsylvania : North- 

 ampton, escaped ; Philadelphia ; Bucks ; Franklin, naturalized ; 

 .Allegheny'. 



6. LONICBRA L. 



A. Flowers in whorls at or near the ends of the branches : bracts and iisually 

 some of the upper leaves connate-perfoliate. 

 Corolla-limb 2-lipped, the upper lip 4-lobed, the lower entire. 



Corolla-tube glabrous within. i. L. Caprifolium. 



Corolla-tube pubescent within. 

 Leaf-blades pubescent at least beneath : corolla yellow, pubescent. 

 Corolla-tube slightly gibbous at the base : leaf-blades pubescent on 

 both sides, copiously ciliate. 2. L. hirsuta. 



