190 ENGLISH BOTANY. 



generally exserted, glabrous ; stigma 2-lobed, purple. Capsule ovate, 

 acuminate, compressed. Plant brittle, flesby, nearly glabrous. 



Toothwori . 



French, Clandestine jficailleuse. German, Gemeine Sckuppenwurz. 



The common name of this plant was given to it from a supposed resemblance of 

 the scaly roots to a human tooth. 



GENUS II— O ROBANCHE. Linn. 



Calyx of 2 entire or cleft sepals more or less connected below, 

 or irregularly 5-partite or tootbed. Corolla irregular, marcescent, at 

 lengtb splitting circumscissily and sub-deciduous ; tube cylindrical 

 or bellsbaped, generally arcbed ; limb bilabiate and ringent ; tbe 

 upper lip erect, 2-lobed or 2-cleft ; tbe lower one spreading, 3-cleft. 

 Stamens 4, didynamous, inserted in tbe tube of tbe corolla, included ; 

 filaments flattened at tbe base ; antbers 2-celled, tbe cells divari- 

 cate at tbe base, mucronate. Style simple, curved at tbe apex ; 

 stigma bi-globular, tbe lobes rigbt and left. Capsule ovoid-conical, 

 1-celled, more or less distinctly 2-valved, witb 4 narrow placenta? 

 approximating in pairs on eacb valve. Seeds very numerous, minute, 

 with a spongy testa. 



Glandular-hairy fleshy herbs without green leaves, parasitical 

 on the roots of various dicotyledonous plants ; the base of the stem 

 (which is often swollen) directly attached to the roots of the plant 

 on which it is parasitic 



The name of this genus of plants comes from opojSoc (orolos), pulse, and ay^uv 

 (anchein), to strangle, owing to its supposed power of destroying the plant on which it 

 grows. 



Sub-Genus I.— PIIELIPiEA. Towrnef. C. A. Mey. 



Plowcrs each with 3 bracts, 1 beneath and 1 on each side. 

 Calyx of 4 lobes united at the base, or united except along the top, 

 rarely of 5 lobes. Stem slightly branched or simple. 



SPECIES I— O ROBANCHE RAMOS A. Linn. 



Plate MVII. 



Reich. Ic. Fl. Germ, et Helv. Vol. XX. Tab. MDCCLXXI1I. 

 Billot, Fl. Gall, et Germ. Exsicc. No. 60. 



Phelipna rainosa, 0. A. Mey. Renter, in D. C. Prod. Vol. XI. p, 8. Gr. & Godr. FL 

 de Fr. Vol. II. p. 627. Reich. JU. 1. c. p. 88. 



