The Flora of the Cayuga Lake Basin 327 



2. A. atropurpurea L. (Archangelica atropurpurea of Cayuga Fl.) Angelica. 



Low thickets and borders of swamps, in rich alluvial soils ; frequent. Fr. June- 

 July. 



Inlet Valley and Inlet Marshes (D. !) ; " Cayuga Lake shore, often in sand" (D.) ; 

 Dwyer Pond; Mud Creek, Freeville (D.) ; McLean Bogs; Beaver Brook (D.) ; and 

 elsewhere. 



Newf. to Minn., southw. to Del., 111., and Iowa; rare or absent on the Coastal Plain. 



18. Daucus (Tourn.) L. 



1. D. Carota L. Carrot. Queen Anne's Lace. 



A weed in dry grassy fields and waste places, along roadsides, and in creek beds, 

 in run- out noncalcareous soils of sand, gravel, or even heavy clay; common. June- 

 Sept. 



Native of Eurasia; widely distributed in nearly all parts of N. A. 



A serious pest in hayfields. The garden carrot is an improved form of this species. 



98. CORNACEAE (Dogwood Family) 



a. Flowers 4-merous, perfect; upper pair of leaf veins arising low down and extend- 

 ing parallel to the midrib. 1. Cornus 

 a. Flowers S-merous, polygamo-dioecious ; veins normal. 2. Nyssa 



1. Cornus (Tourn.) L. 



a. Inflorescence capitate, surrounded by a large 4-leaved white petaloid involucre. 

 b. Plant low, 0.5-2 dm. high, subherbaceous ; leaves crowded, pseudoverticillate. 



1. C. canadensis 

 b. Plant arborescent ; leaves opposite. 2. C. florida 



a. Inflorescence cymose, without an involucre. 

 b. Leaves opposite. 



c. Leaves oval, thinly woolly beneath; branches olive or pale green or suffused 

 with purple, speckled or streaked with darker purple; fruit light blue or 

 nearly white. 3. C. rugosa 



c. Leaves ovate to elliptical or lanceolate, with scattered hairs beneath, or 

 glabrous ; branches not normally speckled. 

 d. Branches purplish or red; cymes flat or slightly convex. 

 e. Pubescence of the peduncles and young twigs loose; leaves narrowly ovate 

 or elliptical ; branches dull purple or greenish purple, with tawny pith ; 

 fruit pale blue. ' 4. C. Amomum 



e. Pubescence of the peduncles and young twigs appressed or wanting ; 

 leaves generally broadly ovate and more acuminate ; branches brighter 

 purple or red, with white pith ; fruit white. 5. C. stolonifera 



d. Branches gray ; cymes very convex or subpaniculate. 6. C. candidissima 



b. Leaves alternate, clustered; fruit deep blue. 7. C. alternifolia 



1. C. canadensis L. Dwarf Cornel. Bunchberry. 



Damp or boggy, also dry, sterile woodlands and banks, in gravelly, probably always 

 acid, soils, usually under conifers; frequent. June-July 10. 



Frequent in the dry woods of the higher hilltops of Danby, Newfield, Caroline, and 

 Dryden; Dry Run, Spencer; swamp w. of Key Hill; sphagnum meadow n. w. of 

 Enfield Falls; Danby swamps (D. !) ; Fall Creek, near the iron footbridge (D.) ; 

 w. of Varna (D.) ; Ellis Hollow (D.) ; Dart Woods (D.) ; Ringwood; Freeville 

 swamps (D.) ; Beaver Brook; arbor vitae swamp e. of Clyde; and elsewhere. 



Lab. to Alaska, southw. to N. J., W. Va., Ind., Minn., Colo., and Calif. Found 

 also in e. Asia. 



