OLEACEAE 245 



7. DODBCATHEON L. 

 1. Dodecatheon Meadla L. Shooting Star. (Man. p. 719 ; I. F. 

 /. 2826.^ On moist clififs and prairies, Pa. to Man., Ga. and Tex. — Penn- 

 sylvania : Montgomery ; Lancaster ; Perry. 



Orders. EBENALES. 

 Famii<y I. EBENACEAB Vent. Ebony Family. 



1. DIOSPYROS L. 



1. Diospyros Virglniana L.' Persimmon^ Date-plum. (Man. p. 

 721 ; I. F. /. 28JI.) In fields and woods, R. I. to Kans., Fla. and Tex. — 

 Pennsylvania : Northampton ; Bucks ; Delaware ; Chester ; Lan- 

 caster ; Schuylkill ; Franklin ; Huntingdon ; Allegheny. 



[Order 4. GENTIANALES. 



Stamens usually 2, fewer than the corolla-lobes or sepals, our representatives 



shrubs or trees. Fam. i. Oleackak. 



Stamens as many as the corolla-lobes : our representatives herbs. 

 Gyuoecium of several united carpels : stigmas distinct : plants with a watery 

 juice. 

 Ovary 2-celled : leaves with stipules, at least connected by astipular line. 



Fam. .i. Loganiaceae. 

 Ovary i-celled : leaves without stipules. 

 Corolla with imbricated or convolute lobes in the bud : leaves opposite 



or whorled. Fam. 3. Gentianaceae. 



Corolla with induplicate-valvate lobes in the bud : leaves alternate. 



Fam. 4. Menyanthaceae. 

 Gynoecium of 2 distinct carpels except for the united styles or stigmas : 

 plants with a milky juice. 

 Androecium of distinct stamens ; pollen-grain simple ; styles united. 



Fam. s. Apocynaceae. 

 Androecium of united stamens : pollen-grains in waxy masses : styles dis- 

 tinct. Fam. 6. Asclepiadaceae. 



Family i. OLE ACE AE Lindl. Olive Family. 



Fruit dry, a capsule or a samara. 

 Flowers complete : fruit a capsule : leaf -blades simple, i. Syringa. 

 Flowers without a corolla : fruit a samara : leaf-blades compound. 



2. Fraxinus. 

 Fruit fleshy, a drupe or a berry. 



Corolla of nearly distinct petals : flowers in drooping panicles. 



3. Chionanthus. 

 Corolla of united petals : flowers in erect panicles. 4. Ligustrum. 



1. SYRINGA L. 

 1. Syiinga vulgaris I,. Ulac. (Man. p. 724; I. F. /. 2837.) Es- 

 caped, Me., N. H. to N. Y. and Pa. Nat. of eastern En. — Pennsylva- 

 nia : Northampton. 



2. FRAXINUS L. 



Leaves with stalked lateral leaflets : calyx present in the pistillate flowers : 

 samara not winged all around. 

 Wings of the samara almost entirely terminal on the body. 



