2(SG OKOllANCIIACK^E. (UKOOM-ICAl'lC FAMILY.) 



lirancliiii;^ aiinnals. Ia'Uvcs pctioled, cuiirc, i-ouudisli, tliu ii|i])lt ones nltcrniitc. 

 Flowtrs liK-ciiK'il. 



1. M. proboscidea, Glox. — Stems tliick, at leii<:tli prostrate; leaves 

 roumi-conlato ; corolla (U' loiijr) wliitisli, spotted with yellow and purple; eap- 

 Rulc crested on OHO side, sliortcr tliau the beaks. — Waste places. Introduced. 

 July and Aug. 



Order 90. OROBAIVCHACE.^. (Broom-rape Family.) 



Low, leafless, scaly herhs, parasitic on roots, with bilabiate didynanious 

 flowers. — Calyx 4 - 5-toolhcd or parted. Corolla witliorin<r-persistent, 

 tubular, tlie upper lip 2-clefl or entire, the lower .3-lobed. Stamens in- 

 serted on the tube of the corolla : anthers persistent. Ovary free, 1-eelled, 

 with 2-4 parietal placentas. Style simple, curved at the apex : stigma 

 thick, 2-lobed. Capsule 2-valved, many-seeded. Seeds v(!ry small, ana- 

 tropous, with the minute embryo at the base of transparent albumen. — 

 Flowers perfect or polygamous, solitary or spiked. 



Synopsis. 



1. EPIPHEGUS. Flowers polygamous, spiked ; the lower ones fertile, the upper sterile. C»« 



Ijx 2-bracteU, 5-toothed. 8leiii braufliiug. 



2. CONOPIIOT-IS. Flowers perfect, spiked. Calyx 2-bracted, cleft on the lower side. Stem 



simple, thick and fleshy. 



3. APHYLI.ON. Flowers solitary, perfect. Calyx bractless, 5-cleft. Corolla nearly equ»ll> 



6-lobcd. 



1. EPIPHEGUS, Nutt. BEEcii-Dnopc;. 



Flowers polyfjamous ; the upper ones slender and sterile, the lower ahhreviated 

 and fertile. Calyx 5-tootlied. Capsule 2-valved at the apex, with 2 ])laeenta2 

 on each valve. — Stem smooth, slender, much hraiielied, purplish. Flowers 

 small, in loose slender spikes. Corolla jjurpiish. 



1. E. Virginiana, Bart. — Under Beceh-trccs, in deep shades, Florida to 

 Mississippi, and northward. Aug. — Stems 6' -1-2' lii-;!!. Flowers scattered. 

 Corolla of the sterile flowers 4" -6" long, 4-toothcd, curved. 



2. CONOPHOLIS, Wallr. Sqiaw-root. 



Flowers perfect, densely spiked. Calyx 2-bracted, tubular, 4-toothed, cleft on 

 the lower side. Upper lip of the corolla arcliinjr, notciied ; the lower short, 3- 

 toothcd. Stamens exsertcd. Capsule 2-valved, with 2 ])laccnta; on each valve. 

 — A thick and fleshy whitish simple herb, covered with imbricated scales. Flow- 

 ers yellowish, spreading. 



1. C. Americana, AVallr. (Orobanche, L.) — Shady woods, Florida to 

 Mississippi, and northward. April. — Stems clustered from matted roots, 4'-- 6' 

 high, ^' thick. 



