GENUS 45. 



CARROT FAMILY. 



655 



i. Pimpinella Saxifraga L. Bennet. 



Pimpernel. Burnet Saxifrage. 



Fig. 3169. 



Pimpinella Saxifraga L. Sp. PI. 263. 1753. 



Erect, glabrous, i-2 high, somewhat 

 branched. Leaves pinnate; segments of 

 the lower 9-19, sharply serrate, or incised, 

 ovate, or nearly orbicular, 8"-i2" long; 

 upper leaves shorter-petioled and of fewer 

 segments cut into narrower lobes; flowers 

 white ; umbels slender-peduncled, 7-20- 

 rayed; rays slender, i'-ii' long in fruit; 

 fruit oval, about i" long. 



In waste places, New Brunswick to Penn- 

 sylvania, New Jersey, Delaware and Ohio. 

 Adventive from Europe. June-Oct. 



Pimpinella magna L., a similar European species, taller and with larger leaves, has been 

 found in waste grounds in Pennsylvania. 



46. BERULA Hoffm. ; Bess. Enum. PI. Volh. 44. 1821. 



A glabrous aquatic or marsh perennial, with pinnate leaves, serrate or sometimes incised 

 leaf-segments, and terminal compound umbels of white flowers. Involucre and involucels 

 of several narrow bracts. Calyx-teeth very small. Stylopodium conic ; styles short. Fruit 

 subglobose, emarginate at the base, slightly flattened laterally, glabrous, the ribs very slender, 

 the pericarp thick and corky; oil-tubes numerous and close together along the inner side of 

 the pericarp. Seed-face flat. [Latin name of the water cress.] 



A monotypic genus of the north temperate zone. 



i. Berula erecta (Huds.) Coville. Cut-leaved Water Parsnip. Fig. 3170. 



Sin m erectum Huds. Fl. Angl. 103. 1762. 



Sium angustifolium L. Sp. PI. Ed 1 . 2, 1872. 1763. 



Berula angnstifolia Mert. & Koch, Deutsch. Flora 2 : 

 433. 1826. 



B. erecta Coville, Contr. Nat. Herb. 4: 115. 1893. 



Erect, rather stout, much branched, 6'-3 high. 

 Leaflets 7-19, ovate, oval, or linear-oblong, deeply 

 serrate, crenate, laciniate, or lobed, 6"-i8" long, 

 2"-s" wide, those of the upper leaves commonly 

 more laciniate than those of the lower ; umbels 

 numerous, short-peduncled, io-20-rayed ; rays 

 J'-2i' long in fruit; pedicels i$"-3" long; fruit 

 less than i" long, nearly orbicular, somewhat cor- 

 date at the base, the ribs inconspicuous. 



In swamps and streams, southern Ontario to Brit- 

 ish Columbia, south to Illinois, Nebraska ; in the 

 Rocky Mountains to New Mexico and to California. 

 Also in Europe and Asia. Lesser, narrow-leaved, 

 creeping or water-parsnip. July-Sept. 



