ROSACEAE 163 



1. Ribea Cynosbati L,. Wii<d Gooseberry. (Man. p. 486; I. F./. 

 i86j.) In rocky woods, N. B. to Man. and Mo., and along the Alleghe- 

 nies to N. C. — Pennsylvania : Monroe ; Huntingdon ; Westmore- 

 I.AND; Fayette. 



2. Ribes Uva-crispa L. Garden Gooseberry. (Man. p. 487; I. 

 F. /. iSjo.) Along roadsides in N. J., Pa. and N. Y., escaped from gar- 

 dens. Native of Eu. and Asia. — Pennsylvania : Northampton, escaped; 



AIvIvEGHENY. 



3. Ribes oxyacanthoides L. Northern Gooseberry. (Man. p. 

 487 ; I. F. /. 1S6S.) In wet woods and low grounds, Newf. to B. C, to 

 N. J., Ohio, Mich, and in the Rocky Mts. to Utah and Colo. — Pennsylva-- 

 nia : Monroe ; Northampton ; Lancaster ; Blair. 



4. Ribes rotundifolium Michx. Eastern Wild Gooseberry. (Man.. 

 p. 487 ; I. F. f. 1869.) In rocky woods, Mass. to N. C, especially 

 along the mountains. — Pennsylvania: Wayne; Bucks; SchuylkilI/J 

 Coi^UMBiA ; FuIvTon ; Centre ; Cambria. 



5. Ribes Missouriense Nutt. Missouri Gooseberry. (Man. p. 487; 

 I. F. /. i86j.) In dry or rocky soil, Minn., Mich., 111. and Pa. to Tenn. 

 and Tex. — Pennsylvania : Schuylkii.1^ ; Columbia. 



6. Ribes lacustre (Pers.) Poir. Swamp Gooseberry. (Man. p. 

 487; I. F. /. iSji.) In swamps and wet woods, Newf. to B. C, Pa., 

 and Wash. — Pennsylvania : Dauphin ; Schuylkill ; Tioga ; Hunt- 

 ingdon ; Somerset. 



7. Ribes prostratum Iv' Her. Fetid Currant. (Man. p. 488; I. F. 

 /, j8j2.) In cold wet places. Lab. to B. C, especially along the moun- 

 tains to N. C, Mich., and in the Rocky Mts. to Colo. — Pennsylvania: 

 Monroe ; Huntingdon ; Clearfield. 



8. Ribes floridum L'Her. Wild Black Currant. (Man. p. 488; 

 I. F. f. iSy^.) In woods, N. S. to Man., Va., Iowa and Kans. — Pennsyl- 

 vania : Northampton ; Bucks ; Chester ; Luzerne ; Huntingdon ; 

 Westmoreland ; Allegheny. 



9. Ribes rubrum L. Red Currant. (Man. p. 488; I. F. /. iSj^.) 

 In cold wooda, Lab. to Alaska, N. J., Ind. and Minn., freely escaping. 

 Also in Eu. and Asia. — Pennsylvania : Northampton ; Bucks ; LE- 

 high ; York ; Lebanon ; Westmoreland ; Erie ; Allegheny. 



Family 10. PLATANACEAE Lindl. Plane-tree Family. 

 1. PLATANUS L. 

 1. Platanus occidentalis L. BuTTOn-wood. Plane-TreE. (Man. 

 p. 490; I. F. f. iSSi.) Along streams and in wet woods. Me. to Minn., 

 Fla. and Tex. — Pennsylvania: Monroe; Bucks; Northampton; 

 Chester ; Lancaster ; Franklin ; Huntingdon ; Delaware ; Alle- 

 gheny. 



Family ii. ROSACEAE B. Juss. Rose Family. 

 A. Fruit not enclosed in a depressed or hollow hypanthium. 

 a. Pistils few, rarely more than 5, maturing into 2-4-seeded follicles. 

 Follicles opening along both sutures : seeds shining, i. OpulaSTER. 



