274 THE FLORA. 



c The 5 filaments distinct. Pollen masses 5. N.-Y. Piskiplo'oa. 



Filaments united as well as the stigmas. PoUinia 10. GoHOL'oBnB. 



d Petals spreading. Hoods erect. Leaves linear. Coast, S. Sekte'ka. 



d Petals spreading. Hoods flat, spreading. + Wax-piant. Hoy'a. 



d Petals erect, white. Hoods erect, 2-awned. S.-W. Common. Ensle'nia. 



ASOLE'PIAS. Silk-gra|^. Milkweed. 



(We have many species of this genus, blooming in the Summer months. Begin- 

 ners will find them difficult to distinguish. AVe omit them here, referring the reader 

 to the Class Book.) 



aRDER XCIX. OLBACE^. Olive-worts. 



Trees and shrubs witli opposite leaves, with 



flo'Xers 4-parted, regular, sometimes without petals ; 



corolla (when present) yalvate in the bud; stamens 2, rarely 4; 



ovary 2-celled, with 2 ovules in each cell ; Jruit fleshy or dry. 



Analysis of the Genera. 



§ Leaves pinnate. Fruit a dry, winged samara. , . .a 



§ Leaves simple. Fruit a dry, 2-oelled pod (capsule) b 



§ Leaves simple. Fruit a fleshy drape or berry 2 



2 Corolla present. Stamens included. "White c 



2 Corolla prpsent. Stamens exserted....d 



2 Corolla none. Fruit an oblong drupe e 



a Trees with imperfect flowers and odd-pinnate leaves. Ash, Feax'inds. 



b Corolla salver-form, with short, white or purple lobes. + lAlac. Syein'ga. 1 



b Corolla bell-form, with long, yellow lobes, t ^orm/thia. Fobsy'thia. 



c Corolla with long, linear, penduktus lobes. Virginia Fringe-tree. Chionan'thus. 

 c Cor. with short lobes. Panicle dense. Berries black. Fmet. Prim. Lious'tedm. 



d Style 2-parted. Leaves serrate. Shrubs, i Osmanth. Osman'thtis. 



d Style simple. Panicles axillary. S. American Olive. Olea. 



d Style simple. Panicles terminal. Trees. + Visian. Visia'na. 



e Flowers very imperfect, difficious. Shrubs. Wet. W. S. Aielia. Foeesti'eea. 



STEIN'GA. LUao. 



1 S. vtUga'ris. Common L. Leaves oordate-ovate, entire. Flowers lilac-purple. 



2 S. al'ba. White Zilaa. Flowers pare white. Shrub taller. (Variety of No. 1.) 



3 S. Per'sioa. Persian L. Leaves lanceolate, entire or cleft. Flowers in looser 



panicles, lilac-blue. Apr. May. 



