PIPEEACEAE 331 



1. Campylocentrum pachyrrhizum (Reichenb. f.) Eolfe. Eoots several mm. 

 thick: flower-stalk relatively stout, the bracts approximate and conspicuous: lateral 

 sepals lanceolate, about 4.5 mm. long: blade of the lip oblong to oblong-lanceolate 

 when flattened out: capsule oblong 7.5-9 mm. long. 



In hammocks, near Everglade, Florida. Also in tropical America. 



49. HARRISELLA Fawcett & Eendle. 



Epiphytic herbs consisting chiefly of roots. Leaves minute scales or obsolete. 



Flowers borne in lax slender stalked racemes. Perianth minute and inconspicuous. 



Lateral sepals nearly equilateral. Petals narrower and rather longer than the lateral 



sepals. Lip sessile at the base of the column, with a globular spur. Capsule stipitate. 



1. Harrisella Amesiana Cogn. Roots matted, about 1 mm. thick: flower-stalk 

 very slender, the bracts remote and inconspicuous: lateral sepals ovate, about 2.5 mm. 

 long : blade of the lip suborbicular when flattened out : capsules oval, 4.5-6 mm. long. 

 [^Campylocentrum porrectnm O. Ames. Not Rolfe.] 



In liammocks, southern peninsular Florida. 



Subclass 2. DICOTYLEDONES. 



Stems exogenous, consisting of pith, wood and bark (endogenous in 

 rare cases) : pith of parenchymatous cells: wood in one or several layers 

 surrounding the pith, traversed by medullary rays : bark covering the 

 wood. Leaves various : blades mostly pinnately or palmately nerved, 

 their bases, or the bases of the petioles articulated. Perianth and essential 

 parts of the flower rarely in threes or sixes. Embryo with two cotyledons 

 (rarely with only one, or probably none in Cuscuta). The first leaves 

 (cotyledons) are opposite. 



Series 1. CHORIPETALAE. 



Petals separate and distinct from each other, or wanting. The series 

 embraces most of the families formerly included in the Apetalae and 



the POLYPETALAE. 



Order 1. PIPERALES. 



Herbs of wet or moist places, usually with rootstocks, or shrubs or trees. 

 Leaves with simple blades. Flowers perfect or unisexual. Perianth wanting. 

 Androeeium of several stamens. Gynoecium of 1, or of several distinct or 

 united carpels. Fruit baccate, drupaceous, capsular, or nut-like. 



Carpels distinct or nearly so, 3—1: ovules 2-8 in each cavity. Fam. 1. Saxjruraceae. 



Carpels united to form a single pistil: ovule 1 in each cavity. Fam. 2. Piperaceae. 



Family 1. SAURURACEAE Lindl. Lizard's-tail Family. 



Herbs with rootstocks. Leaves alternate, sometimes basal. Flowers spicate 

 or racemose. Androeeium of 3-8 stamens. Gynoecium of 3 or 4 distinct or 

 nearly distinct carpels. Stigmas simple. Fruit capsular. 



1. SAURURUS L. 



Marsh herbs. Leaf -blades thick-membranous, cordate. Raceme with a drooping 

 tip, the bractlets adnate to the pedicels or ovaries. Pistils 3 or 4. Mature carpels 

 veiny, opening introrsely. Lizard 's-Tail. 



