LA m at.*:. 257 



2. L. SCROPHULART>^FOLIUS, He^th. Purple, Giant Ilt/ssup. 



Stem and lower surface of the leases pubescent: leaves ovate, acute, serrate, 

 eremite; cahjxtcp.th lanceolate, acute, shorter than the corolla. 



Borders o'" rich woods. Aug. Stem 3 to 5 feet hi-jdi. nvwtlv of a pnrnle color 

 branched. Leaves often cordate at base, 5 inches long and ab>ut 3 inches wide. 

 coarsely serrate. Flower* In crowded, axillary vertieels, forming a k>n b ', dense, 

 teriniual spike. CoroiU pale purple. Stamens aud style exserted. 



15. PYCNANTHEMUM, Miehx. Mountain Mint. 



Or. puknos, dense, and awttemon, a blossom: from the crowded or capitate Rowers. 



Calyx tubular or ovate-oblong, striate, 5-toothed. Co- 

 rolla with a short tube and a somewhat 2-lipped border ; 

 upper lip entire or slightly notched, the lower 3-cleft ; lohes 

 all ovate and obtuse. Stamens 4, distant, the lower pair 

 rather longest. — Perennial aromatic upright herbs, corym- 

 boscJy branched above, often whitish floral leaves, and dense 

 man //-flowered whorls, crowded with bracts, usually formiug 

 terminal heads or close cymes, with whitish or flesh-colored 

 flowers. 



1. P. INCANUM, Miehx. Common Mountain Mitt. 



I/eavet ovatc--'hlon<r. acute, remotely toothed, rounded at the bane, downy above 

 ani hoary with whitish wool underneath; cymes peluucled, compound, open; 

 bracts subulate. 



Hocky wools and hills. ennruon. July, Aug. Stem 2 to 1 fbpt hi?rh. obtntfdy 



4-angipd, erect, covered with soft down. Flowers pale red or liesh-oolored. with 

 purple spots on the lower iip of the corolla. 



2. P. MUTICUM, Pers. Veiny-leaved Maintain Mint. 



Smooth or «om»whit hoary throughout, corymb^s.dy branched: leases ovat^ or 

 broadly ovate lanceo 1 ate. acute, rounded or somewhat heart-shaped at tin base, 

 mostly sessile, minutely toothed, rigid; whorls dense mostly in terminal head, ; 

 outer hrwts and ovate-lanceolate cah/x taeJh noary with a fine close down. 



Dry hills; common. Aug. Stem 1 to 2 feet high with widely spreadm? branch- 

 es, square. Leaves onpo-.it ■, lar»-e, x A t a« wide as long. Flowers reddish-white, 

 wiih purple sputs, iu dense term/na! heads which are about l^ iaeh in diametert 



3. P. LANCEOLATUM, Pursh. Lance-leaved Mountain Mint. 

 Smnothish or minutely downy, coryoihnsely branched above, very leafy; huxres 



lanceolate or nearly linear, entire, rigid, obtuseat the base, sessile, feathar-veiue i ■ 

 hracts ovate lanceolate, barely pointed, downy, 



Th : ck-ts and dry woo Is: common. July, Aur. Stem about 2 feet hirh. Sqnare, 

 with ohtu.se angles. Leaves variable in width. Flowers small, reddish-white, 

 with purple dots, in numerous small clustered deuse heads. 



4. P. linifblium, Pursh. Flaxdeavrd Mountain Mint. 



Smooth, or nearly so ; leaves narrowly liuear, crowdcl, 3-veined, entire; brads 

 Slightly awned; calyx-teeth lanee-subulate. 



Thickets and moist woods. July. Aug Stem erect. 12 to IS inches hi.vh. with 

 fiwtigiate tricbotomoas branches, often purplish. Leaven very narrow, pu ictate, 

 with fasioles of smaller ones iu the nxils. Flowers small, white, iu uiuaerood 

 small, roundish heads, mo.-tly terminal. 



G2* 



