^7 I PIIYTOLACCACE-E. (rOKKWKI.I) FAMILY.) 



nntlior-cflls distinct. Style mostly lateral : stigma many-cleft. Fruit teroto or 

 ribbed, smooth or glandular. ICmbryo straij^lit. Cotyledons folded around tlio 

 albumen. — Trees or shrubs, with opposite or alternate leaves, inid mostly rose- 

 colored (lowers in corymbose cymes. 



1. P. aculeata, L. Spiny; stem smof>tli ; branches widely spreading; 

 leaves alternate, short-petioled, ovate or elliptical, acute or obtu.se, smooth ; 

 cymes terminal, pedunclcd, pubescent, many-flowered ; calyx of the sterile 

 flower 10-toothcd; stamens"; fruit club-shaped, lO-striate, and beset with 5 

 rows of shining viscid glands. — South Florida. — Shrub 5° high ; the spines 

 short and recurved. Leaves l'-2' long. 



2. P. obtusata, Swartz. Smooth, spineless ; leaves oblong, rounded at 

 the apex, tapering at the base, short-petioled, revolutc on the margins, rigid ; 

 cymes long-i)eduncled, many-flowered, the branches horizontal ; fertile calyx 

 5-clcft, with the lobes narrow and acute ; stamens 7 ; fruit oblong, many -fur- 

 rowed, glandless ; capsule truncate. — South Florida. — Leaves opposite, l'-2' 



long, light brown beneath. Flowers 1"- 2" long. (RlcAU/x^ t-^vT--^ ^ /i^^ /-t^ 



Order 107. PIIYTOLACCACE^. (Pokeweed Family.) 



Herbs or shrubs, witli alternate eirtire leaves, and apetalous 3-bracted 

 racemed or spiked flowers. — Calyx composed of 4 - 5 nearly ct^ual sepals, 

 more or less united at the base, unchanged in fruit. Stamens hypogynous, 

 as many as the sepals and alternate with them, or numerous, free, or 

 united at tlu; base ; sterile ones none : anthers 2-celled, introrse. Ovary 

 simple or compound. Ovules ampliitropous or campy lotropous, solitary, 

 erect. Styles as many as the ovaries. Fruit of 1 -many carpels. Albu- 

 men copious or none. Embryo annular, rarely straight. Radicle inferior. 



Synopsis. 



Suborder I. PETIVERIEiE. Fruit simple. Cotyledons convolute. 

 Leaves stipulate. 



1. PETIVERIA. Fruit an achenium with reUexed spines at tlie apex. Embryo straiglit in 



fcanty albumen. 



2. RI VINA. Fruit a berry. Embryo forming a ring around tlie albumen. 



Suborder II. PHYTOLACCEiE. Fruit compound. Cotyledons 

 flat. Leaves exstipulate. 



3. PHYTOLACCA. Fruit a berry, composed of numerous carpels arranged in a circle. 



L PETIVERIA, num. 



Calyx 3-bracted, 4-parted, herbaceous. Stamens 4 - 8 : anthers linear. 

 Ovpry simple, 1 -celled. Ovule single, erect, ampliitropous. Stigma many- 

 cleft. Achenium wedge-shaped, compressed, 2-lobcd at the apex, each lobo 



