OIlOBANCnACE.E. (BROOM-RAPE FAMILY.) 601 



17. RHIXANTHUS, L. Yellow-Rattle. 



Calyx inflated, flattened, 4-toothed. Corolla-tube cylindrical, 

 galea ovate, obtuse, compressed, somewhat 2-tootlied near tip, lower 

 lip shorter, spreading, 3-lobed. Stamens didynamous, anthers trans- 

 verse, hairy, obtusely bilobed, muticous. Capsule compressed, orbicu- 

 lar, valves membranous, bearing septa, placentae thin. Seeds few, 

 large, nearly orbicular, flattened, winged — Annual herbs. 



R. major, Ehrh. .3 or more, glabrous or hirsute. Leaves 

 sessile, oblong-lanceolate, crenate-dentate. Spikes ovate, dense, at 

 length elongated, loose ; bracts pale, cut into triangular, mucronate 

 teeth ; corolla yellow, .03 long, tube somewhat curved^ teeth of galea 

 ovate — Spring — Plain of el-Huleh (Tristram). 



Order LXXIH. OROBANCHACE^. Lindl. 

 (Broom-Rape Family). 



Herhs destiticte of green foliage^ (root jparasites) mono- 

 petalous, didynamous^ with ijarietal ])lacenUe^ in /pairs or 

 separate. Pod with many, minute seeds, with albumen and 

 a very ^ninute embryo — Calyx persistent, 4-5-toothed or 

 lobed. Corolla tubular, more or less 2-lipped, oblique, marces- 

 cent. Stamens inserted on the tube of the corolla; anthers 

 2-celled, persistent. Ovary free; style long, curved at apex; 

 stigma large. Pod 1-celled, 2-valved. Thick, fleshy herbs, 

 bearing scales in place of leaves, lurid, yellowish, or brownish 

 throughout, generally perennial. 



* Corolla lobes all spreading. 



1. ANOPLANTHUS. Flowers large, crimson, bractless. 



2. PHELIP^A. Flowersyellow, blue, or purple, bracted. 



* * Posterior lip of corolla erect or nearly so. 



3. OEOBAI^CHE. Flowers yellow, blue, or purple, bracted. 



* * * Corolla bilabiate, lips erect. 



4. LATHPvCEA. Flowers pinkish-white, bracted. 



1. ANOPI.AIVTIIUS, Endl. Anoplantuus. 



Flowers perfect, bractless. Calyx campanulate, 5-cleft. Corolla 

 short-campanulate, with spreading, nearly 2-lipped, and nearly equal- 

 ly 5-lobed limb. Stamens 4, didynamous, inserted on the corolla-tube, 

 anther-cells separate at base, mucronate. Ovary 1-celled ; stigma 

 capitate somewhat 2-lobed. Capsule 2-valved, the valves with con- 

 verging placentas on either side within the margin ; seeds many, reticu- 

 late — Parasitic herbs, with large, scarlet flowers. 



A. eoccineui, Marsch. 2f .2 to .25, glabrous or minutely 

 glandular above. Scales ovate-oblong, half -clasping, sheathing, re- 

 mpte. Scape with 1-2 flowers, .03 to .05 broad ; calyx-lobes oblong- 

 triangular, corolla-lobes round-ovate — May — Mountains to alpine 

 regions ; Cassius to Akherdagh, and northward, and eastward. 



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