ORDEK 65. CORNELS. 



ORDER LXV. CORNACE.E. Cornels. 



Trees and shrubs, seldom herbs, with sim- 

 ple, mostly opposite leaves; with 



lowers 4-parted, arranged in cymes ; the 4 



petal* valvate in the bud ; and with the 4 



stamens standing on the top of the 2- 

 celled 



ovary, which is adherent to the calyx- 

 tube ; styles united ; 



fruit a 1 or 2-seeded drupe. 



Fig. 495. Low Cornel ; 6, the 4-leaved involucre 

 nrrounding the head of flowers. 



Analysis of the Genera. 



Flowers perfect, 4-parted. Petals 4. Drupe 2-celled. Cornell. COUNVS. ) 



| Flowers imperfect, 5-parted. Petals ofter/0. Drupe 1-celled. Trees 



with small, green flowers in side clusters. Fruit plum-like. Tupelo. NYSSA. 



CORNUS. Cornel, Dogwood. 



Trees, shrubs, or perennial herbs. Flowers iu cymes. Sepals, petals, 

 and stamens each 4, with a double pistil. 



$ Qymes with a 4-leaved white involucre. Drupes red.. ..Nos. 1, 3 



| Cymes naked (no involucre). Leaves mostly alternate, oval. ...No. 3 



Cymes naked (no involucre). Leaves all opposite. Flowers white (a) 



a Twigs and cymes pubescent. Fruit light blue. Shrubs 5-9f. ...Nos. 4,5 



a Twigs and cymes glabrous. Leaves white downy beneath Nos. 6, 7 



a Twigs and cymes glabrous. Leaves smooth, taper-pointed.... Nos. 8, 9. 

 1 Q. Oanaden'sis. Low Cornel. A low herb in damp woods, with a simple stem bearing 



2 opposite, and 4 or 6 whorled ovate leaves. May, June. 



I O. flor'ida. Fiowerir^ Dog wood. A small tree with opposite ovate leaves. Cymes 

 compact, leaves of the involucre obcordate, large, showy. May. 



3 O. alternifo'lia. Shrub or tree 8-20f., flat-topped. Drupes blue-purple. 



4 O seric'ea. Leaves ovate-oblong, silky-downy beneath. Sepals lanceolate. Common. 

 0. asperifo'lia. Leaves lance-ova!, scabrous above. Sepals minute. W. and S. 



6 0. circina'ta. Leaves round-oval, large. Drupes light blue. 6-10f. June. 



7 O. stolonif era. Red Osier. Shoots red and straight. Leaves broad ovate, aculi 



Drupes lead-white. Shrub in clump, &-10f. E. and VV. May. 

 $ C. stricta. Branches erect, brown. Cyme loose. Anthers and fruit bluish. 8. 

 8 O. panicula'ta. Branches gray. Cjmes somewhat panicled. Fruit white. June. 



