("488") 
WITHERINGIA MONTANA. Mountain WI- 
THERINGIA, or St. Lorenzo Poraror. 
Class and Order. 
Pentanpria Monoeynia. 
( Nat. Ord.—Soranacez. ) 
Generic Character. 
Cal. urceolatus 4—5-fidus. Cor. campanulato-rotata, 
tubo gibboso. Anthere longitudinaliter dehiscentes. Bac- 
ca 2-locularis, calyce persistente suffulta. Spr. 
Specific Character and Synonyms. 
Wirnerineia montana ; herbacea, hispido-pilosa, foliis cor- 
dato-ovatis obtusis sinuato-repandis, petiolis alatis basi 
subauriculatis, racemis axillaribus terminalibusque 
paucifloris, radice tuberosa. “e 
WrrnerineiA montana. Dunal. Spreng. Syst. Veget.v. 1. 
. 676. A, 
get montanum. Linn. Sp. Pl. p. 514. Ruiz et Pav. 
Fl. Peruv. v. 2. p. 33. t. 160. f.6. Willd. Sp. Pl. v. 1. 
p. 1034. _ Pers. Syn. Pl. v. 1. p. 226. 
Soranum Laurentii. Mitchill in Addr. to Hort. Soc. of N. 
York. : 
Soranum tuberosum minus ; atriplicis folio, vulgo Papa 
montana. Feuil. Obs. v.3. p.62.t.46. © 
Descr. Root a roundish or rounded, oblong, thick, fleshy 
tuber, about the size of a chesnut, and very similar to those 
of our common Potatoe, but bearing a greater quantity of 
fibrous radicles. Stems three or four, from the same root, 
six inches to a foot in height, decumbent at the base, 
rounded, with a few obscure angles, and hispid (less so in 
the lower part,) with numerous pellucid, white, succulent, 
short hairs, which point upwards. Leaves few, two or three 
of them radical, two to three inches long, cordato-ovato, _ 
obtuse, petiolate, sinuato-lobato at the margin, strongly 
nerved, the nerves prominent on the under side, piloso- 
hispid: petioles about as long as the leaf ; those of the 
Stem distinctly winged at the margin, the wings terminat- 
ing 
