458 FLORA OF TEXAS. 



and similarly colored on both sides, ciliate on the margins ; 

 chtsters 3-6-flowered, forming a loose spreading panicle; 

 flowers minute; calyx-Uml) hairy at the apex;/nnY ob- 

 conical, rounded at the apex, with the ribs glandular-viscid. 

 Stem stout, 2°-3° long; leaves l'-2' long. 



100. POKEWEED FAMILY. Order, Phytolaccace^. 



Calyx composed of 4-5 nearly equal sepals, more or less 

 united at the base, unchanged in fruit; stamens hypogy- 

 nous, as many as the sepals and alternate with them, or 

 numerous, free or united at the base; sterile ones none; 

 a?i^7ier5 2-celled,introrse; ow;?*?/ simple or compound ; ovules 

 amphitropous or campylotropous, solitary, erect; styles as 

 many as the ovaries ; /r?aY of 1-many carpels; albumen 

 copious or none; embryo annular, rarely straight; radicle 

 inferior. — Herbs or sJirubs, with alternate entire leaves, and 

 apetalous 3-bracted racemed or si^iked Jloivers, 



SYNOPSIS. 



Sub-order I. Petiverieae. Fruit simple. Cotyle- 

 dons convolute. Leaves stipulate. 



Fruit a berry. Embryo forming a ring around the albumen Rivina. 



Sub-order II. Phytolacceee. Fruit compound. 

 Cotyledons flat. Leaves exstipulate. 



Fruit a berry, composed of nuTnerous carpels arranged in a circle Phytolacca. 



RIVINA, Plum. 



Cnlyx remotely 3-bracted, 4-parted, colored; stamens 

 4-8 ; anthers ovate or oblong ; ovary simple ; ovule solitary, 

 amphitropous ; stigma capitate or many-cleft ; berry nearly 

 globose, at length dry; embryo forming a ring around the 

 copious albumen ; cotyledons somewhat leafy, convolute. — 



