98 UMBELLIFERAE (PARSLEY FAMILY) 



that crowns the ovary and surrounds the 2 styles; fruit of 2 

 seed-like and ribbed or winged carpels that separate at maturity. 



ERIGENIA 



Low, nearly stemless plants from deep-seated tubers. Leaves 

 ternately decompound. Umbels of white flowers, compound, leafy- 

 bracted. Fruit flattened, nearly kidney-form, 

 with very slender ribs. 



E. bulbosa, Harbinger of Spring. A small, 

 glabrous, spring plant ; simple stem i or 2 dm. 

 high; leaf segments linear-oblong; fruit 2 mm. 

 long, 3 mm. broad. Woods. February to April. 



CHAEROPHYLLUM 



Annuals, with ternately decompound leaves, 

 pinnatifid leaflets with oblong obtuse lobes. 

 Umbels usually with no involucre, involucels of 

 many bractlets, and white flowers. Fruit 

 glabrous, narrowly oblong to linear, ribbed. 



Erigenia bulbosa. 

 Harbinger of q procumbens, Chervil. More or less hairy; 

 stems spreading, becoming 5 dm. high ; umbels 

 with few rays; fruit narrowly oblong, contracted but not tapering 

 at summit. Moist places. April to June. 



OSMORHIZA 



Glabrous or hirsute perennials with thick aromatic roots; 

 ternately compound leaves, and ovate, dentate leaflets. Umbels 

 of white flowers few-rayed, with few-leaved involucres and mostly 

 bearing involucels. Fruit bristly, linear-oblong, with a prominent 

 tail-like attenuation at base. 



O. Claytoni, Sweet Cicely. Stems villous-pubescent ; ternate 

 leaves crispy-hairy, with ciliate-hispid stipules ; stylopodium and style 

 not over l mm. long. Open woods. May, June. 



O. longistylis. Sweet Cicely. Usually larger, becoming 12 dm. 

 high; stems glabrous except at the nodes; stipules densely pilose at 

 the margin; stylopodium and style 2-4 mm. long. Rich woods. May, 

 June. 



