Dicotyls or Exogenous Plants. 49 



Jef-fer-so'-ni-a di-phyl'-la (L.) Pers. Twin-leaf. — Scapes 1-flowered; /, 

 flower white, 1 in. Ijroail. ' 



3. Genus CAU-LO-PHYL'-LUM.- Stem with a tri-ternately compound 

 sessile leaf and terminated by a small raceme or panicle of yellowish- 

 ^reen flowers. 



Cau-lo-phyrium tha-lic-troi -des (L.) Mx. Blue Cohosh : Pappoose root. 



— Flowers appearing while the leaf is yet small. 



4. Genus BER'-BER-IS. — Shrub; yellow flowers in drooping 

 racemes; berries oblong, scarlet. 



Ber'-ber-is vul-ga'-ris L. Barberry. Somewhat spiny. Often escaped 

 from cultivation. 



XXIX. Order CAL-Y-CAN-THA'-CE->E. CALYCANTHUS FAMILY.— 

 Shrubs with opposite, entire leaves; the sepals and petals similar and 

 indefinite ; the fruit like a rose-hip. 



1. Genus BUETT-NE'-RI-A. {Calycanthiis). — Calyx of many sepals 

 united below, lurid purple; petals similar; stamens numerous; leaves 

 •opposite, entire ; shrubs. 



Buett-ne'-ri-a flor'-i-da (L.) Kear. (Calycanthiis floridus\,.) Sweet- 

 scented Shrub: Carolina Allspice : Calycanthus. — Leaves oval, soft-downy ' 

 underneath ; cultivated. 



Buett-ne'-ri-a fer'-til-is jWalt.) Kear. {Calycanthus Icevigatus Willd. 

 and Calycanthus glaucus Willd.) — Leaves oblong, oblong-ovate, or 

 ovate-lanceolate, green and glabrous both sides, or glaucous-white 

 beneath. 



XXX. Order LAU-RA-CE-/E. LAUREL FAMILY.— Aromatic trees or 

 shrubs; leaves alternate, simple; anthers opening by valves; ovary 

 free from the colored calyx, 1-ovuled. 



Flowers appearing with the leaves, anthers 4-valved ; trees Sassafras, t 



Flowers appearing^ before the leaves, anthers 2-valved : shrubs lipmnin. 2 



1. Genus SAS'-SA-FRAS. — Trees with spicy-aromatic bark and very 

 mucilaginous twigs and foliage ; flowers in clustered and peduncled 

 corymbed racemes. 



