FAM. 104, 105. 85 



dioecious, axillary, small; calyx of 2-3 scale-like sepal*; 

 corolla of 2-3 petals, or wanting; stamens 2-4; ovary 2-scv- 

 eral celled, with ovules solitary in each cell; styles united, 

 stigmas tufted or cleft ; fruit a fleshy drupe with 2-many 

 nutle: 



Erect shrubs with whorled branches; leaves whorled; flowers in whorls 

 of 2-3, reddish; calyx of 2 sepals subtended by 2 bracts; petals 

 2; stamens 2; ovary 2-celled. stigma many-cleft; nutlets 2. - Ceratiola 



C. ericoides. Aromatic shrub with pubescent branches; stamens exserted; drupe 

 wTsh. Dry pine- land. Spring. 



104. Spondiaceae vAnacardiaceae), Sumac Family. 



Shrubs, vines or trees with a milky, resinous, often 

 caustic, sap; leaves exstipulate, alternate, simple or pin- 

 nately compound; flowers in spikes, racemes or panicles; 

 sepals and petals 3-6; stamens 3-6, or 10, alternate with 

 the petals, and inserted with them on the base of the calyx 

 or on a hypogynous disk; ovary solitary, free; styles united, 

 sometimes distinct; fruit a drupe or berry, seed solitary. 



1. Leaves 3-foliate, drupe glabrous, stone ribbed; — flowers polygamous 

 or dioecious, in axillary panicles; poisonous, resinous sap. 



Toxicodendron 



T. radicans, Poison-ivy. A vine, climbing by rootlets; leaflets 3, membranous, 

 ovate or ovate-lanceolate, coarsely toothed or rarely lobed, sparingly pu- 

 bescent, acuminate at the apex, rounded or acute at the base; panicles loosely 

 flowered, flowers greenish; sepals, petals and stamens 5; drupes subglobose, 

 whitish. Thickets. Spring and Summer. 



T. toxicodendron, Poison-oak. Low shrub, spreading by underground stems; 

 foliage and inflorescence tomentose; leaflets 3, leathery, ovate, crenate or 

 Jobed; panicles densely flowered; flowers greenish-white; sepals, petals and 

 stamens 5; drupes depressed-globose, greenish-yellow. Pine-land. Spring. 

 1. Leaves 3-several foliate, drupe pubescent, stone smooth; — flowers 

 polygamous or dioecious, in terminal panicles; plants not poison- 

 ous. -__-__-__._ Rhus 



R. copallina, Dvarf Sumac. A shrub with sticky milk;- sap; foliage sir. 

 or pubescent; leaflets lanceolate or oblong, 9-25. acute at the apex; the n 

 winged; panicles broad, densely flowered; flowers greenish; stamens in sterile 

 flowers exserted; drupes bright red. Open woods. Summer. 



R. obtusifolia. A shrub with pubescent foliage; leaflets ovate to oblong, rounded 

 at the apex, 17-21; the rachis narrowly winged; panicles broad, leafy, pu- 

 bescent; flowers greenish white. Swampy pine-land. Summer. 



105. Aquifoliaceae Ilicaceae), Holly Family. 



Mostly evergreen shrubs or trees with alternate, i 

 stipulate leaves, sometimes spiny; flowers small, perfect 

 or polygamous; calyx of 4-6 persistent sepals; corolla 4-6 



