52 Charles E. Bessey 



(and trees) with opposite leaves; petals o; ovules i or more, 

 basal, campylotropous. Celosia, Amaranthus^ Froelicliia. (Pf. 

 Ill, la, 91.) 



Family 146. Chenopodiaceae. The Goosefoots. Herbs, shrubs 

 (and trees) with mostly alternate leaves; petals o; ovule i, basal, 

 campylotropous. Beta, Cheno podium, Spinacia, Atriplex, Sar- 

 cobatiis, Salsola. (Pf. Ill, la, 36.) 



Family 147. Polygonaceae. Buckwheats. Herbs, shrubs, and 

 trees with alternate leaves; petals o; ovule i, erect, orthotropous. 

 Eriogonum, Rnuiex, Rheum, Polygomim, Eagopyrum, Coccoloha. 

 (Pf. HI, la, I.) 



Family 148. Nyctaginaceae. Four o'clocks. Herbs and 

 shrubs with opposite leaves; petals o; sepals petaloid; ovule i, 

 erect. Mirabilis, Bongainvillea, Allionia. (Pf. Ill, ib, 14.) 



Family 149. Cynocrambaceae. Annual, succulent herbs, with 

 petioled leaves, opposite below, alternate above ; flowers monoe- 

 cious, apetalous, small, axillary. Cynocvamhc. (Pf. Ill, la, 

 121.) 



Family 150. Batidaceae. Shrubs with opposite leaves; petals 

 o; ovary 4-celled; ovule solitary, erect. \'ery doubtfully placed 

 here. Batis. (Pf. Ill, la, 118.) 



Super-Order A xi florae- Gam opetalae - Polycarpellatae, 

 Carpels typically many, united ; petals united. Flowers actino- 

 morphic. 



Order Primulales. Flowers regular, mostly perfect; stamens 

 mostly opposite to the corolla-lobes ; ovary pluricarpellary, mostly 

 i-celled, with a free central placenta. 



Family 151. Primulaceae. Primroses. Herbs with alternate 

 or opposite, sometimes clustered, leaves ; stamens opposite the 

 petals ; ovules many ; fruit a capsule dehiscing longitudinally from 

 the apex, or circumscissillely. Primula, Androsace, Lysiiuachia, 

 Cyclamen, Dodecafhcon. (Pf. IV, i, 98.) 



Family 152. Plantaginaceae. Plantains. Herbs with alter- 

 nate or clustered leaves ; stamens alternate with the petals ; ovary 



88 



