DROSERACEAE 157 



Corolla greenish yellow : 3 or 4 petals irregularly cleft. 2. R. lutea. 



Corolla white : all the petals 3-cleft at the top. 3. R. alba. 



1. Reseda LuteolaL. Dyer's Rocket. (Man. p. 469 ; I. F./. //p^. ) 

 In waste places, N. Y. and Pa., and in ballast about the seaports. Adv. 

 from Eu. — Pennsylvania : Bucks; Phii^adelphia. 



2. Reseda lutea L. Yellow Cut- leaved Mignonette. (Man. p. 

 469; I. F. f. 1799.) In waste places, Mass. to N. J. and Mich, and in 

 ballast about the seaports. Adv. from Eu. — Pennsylvania : Philadel- 

 phia, on ballast. 



3. Reseda alba L. White CuT-leaved Mignonette. (Man. p. 

 469 ; I. F. f. iSoo.) In waste places, N. Y., Ohio, in ballast about the 

 eastern seaports and in B. C. Adv. from southern Eu. — Pennsylvania : 

 Philadelphia, on ballast. 



Order 13. S ARE ACENI ALES. 

 Ovary 3-5-celled, with central placentae, surmounted by a peltate disk : leaves 



with hollow blades. Fam. i. Sarracexiaceae. 



Ovary i-celled, with a basal or parietal [placenta, not surmounted by a peltate 



disk: leaves with filiform or dilated blades. Fam. 2. Droseraceae. 



Family i. SARRACENIACEAE La Pyl. Pitcher-plant Family. 

 1. SARRACENIA L. 

 1. Sarracenla purpurea Iv. Pitcher-plant. Side-Saddle Flower. 

 (Man. p. 470; I. F. /. /So/.) In peat-bogs, Lab. to the Canadian 

 Rocky Mts., Fla., Ky. and Minn. — Pennsylvania : Pike; Monroe; 

 Lackawanna ; Susquehanna ; Tioga ; Centre, Bear Meadows ; Lan- 

 caster ; Erie. 



Family 2. DROSERACEAE S. F. Gray. Sundew Family. 

 1. DROSERA L. 



Leaf -blades suborbicular or broader than long. i, D. rotundifolia. 



Leaf -blades linear-spatulate. 2. D. intermedia. 



1. Drosera rotundifolia L. Round- leaved Sundew. (Man. p. 

 471 ; I. F. f. /Soj.) In bogs or wet sand. Lab. to Alaska, Fla. and 

 Ala., and in the Sierra Nevada to Calif. Also in Eu. and Asia. — Pennsyl- 

 vania : Lackawanna ; Monroe ; Northampton ; Bucks ; Mont- 

 gomery' ; Chester ; Franklin ; Huntingdon ; Lancaster ; Centre; 

 Crawford ; Venango ; Erie ; Delaware. 



2. Drosera intermedia Hayne. SpaTulaTE-lEaved Sundew. (Man. 

 p. 471 ; I. F. /. /S04.) In bogs, Anticosti and N. B. to Man., Fla. and 

 La. — Pennsylvania : Monroe ; Carbon ; Luzerne ; Bucks ; Bradford. 



Order 14. ROSALES. 

 Aquatic alga-like fleshy herbs, with spathe-like involucres : perianth wanting. 



Fam. I. Podostemaceae. 

 Terrestrial or swamp plants, without spathe-like involucres : perianth present, 

 except in Liquidanibar. 



