CLASS XIV. ORDER II. 261 



279. OROBANCHE. 

 Orobanche uniflora. L. Single Jlotvered Broomr ape. 



Scapes in pairs, naked, one flowered. 

 Sj/n. Orobanche biflora. Nuti, 



As the part of this plant which appears at sight is one flow- 

 ered, I have preferred retaining the Linusean name. At the top 

 of the root is a short stem or caudex, sometimes nearly wanting 

 and sometimes several together, clothed with a feAv obtuse 

 scales, and producing each two scapes. These are simple, erect, 

 hairy, leafless. Calyx hairy, erect, one leafed, parted half way 

 down into five acute segments. Corolla tubular, striated, hairy, 

 incurvated, of a purplish white color, its mouth divided into five 

 roundish segments, its tube furnished on the under side with two 

 yellow lines which are prominent and hairy within. Stamens 

 crossing. Germ oval, surrounded with a gland or flat ring at 

 base. Style straight; stigma refiexed. — Woods, Waltham ; par- 

 asytic ? — June, July. 



^ Subgenus Epifagtjs. Floicers polygamous, capsule opening on 

 one side. 



Orobanche Virginiana. L. Beech Drops. 



Stem branching ; flowers alternate, remote ; corol- 

 las deciduous, four toothed. 



Syn. Epifagus Americanus. Nult. 



A parasitic plant, said only to be found attached to the roots 

 of the Beech tree. Root fleshy and scaly. Stem a foot high, 

 branched, leafless, with small ovate scales. Flowers alternate, 

 remote, small. The fertile corollas, according to Mr. Nuttall, 

 are deciduous in consequence of the obliquity and rapid enlarge- 

 ment of the germ ; the barren ones larger, white striped with 

 purple. — In Beech woods, Maine. I have not seen it near Bos- 

 ton. — August. 



280. PEDICULARIS. 

 Pedicularis Canadensis. L. Lousewori. 



Stem simple, spike somewhat leafy; helmet of the 



