LABIATAE 271 



25. THYMUS L. 

 1. Thymus Serpyllum L. Wii^d or Creeping Thymb. (Man. p. 

 802; I. F. y; 3166.) In thickets, woods and along roadsides, N. S. to 

 Mass., N. Y., Pa. and N. C. Nat. from ^m.— Pennsylvania : Mont- 

 gomery ; Lancaster. 



26. KOELLIA Moench. 

 Leaves with prevailingly linear, linear-lanceolate, or oblong-lanceolate blades. 

 Calyx-lobes triangular-ovate, merely acute. i. K. Virginiana. 



Calyx-lobes subulate, subulate-lanceolate, sometimes bristle-tipped. 



2. K.Jlexuosa. 

 Leaf -blades linear or narrowly linear. 

 Leaf-blades lanceolate, all or some of them toothed. 

 Flower clusters dense : bracts erect or appressed. 

 Plant hirsute or pilose. 3. K. pilosa. 



Plant glabrate or merely puberulent. 4. K. verticillata. 



Flower-clusters lax : bracts spreading. 5. K. clinopodioides. 



Leaves with prevailingly-ovate, oblong-ovate or ovate-lanceolate blades. 

 Calyx-lobes subulate. 6. K. incana. 



Calyx-lobes triangular. 7. K. muiica. 



1. Eoellia Virginiana (L.) MacM. Virginia MounTain-mint- 

 (Man. p. 801 ; I. F. /. 3IS5-) In dry fields and thickets, Quebec to 

 Minn., Ga., Ala. and Ky. — Pennsylvania: Northampton; Bucks; 

 Delaware ; Chester ; Lancaster ; Luzerne ; Frankwn ; Hunt- 

 ingdon ; Cambria ; Erie ; Fayette ; Allegheny. 



2. Koellla fle:suoBa (Walt.) MacM. Narrow- LEAVED Mountain- 

 mint. (Man. p. Box ; L P. f. 3154.) In fields and thickets, Me. and 

 N. H. to Fla., Out., Kaus. and Tex. — Pennsylvania: Northampton; 

 Bucks; Delaware; Chester; Lancaster; York; Perry; Arm- 

 strong ; Allegheny. 



3. EoeUia pilosa (Nutt.) Britton. Hairy MounTain-minT. (Man. 

 p. 801 ; I. F./. J/56.) On prairies and in dry woods, Ohio to Ga., Kans. 

 and Ark. — Pennsylvania : Monroe ; Huntingdon. 



4. KoelHa verticillata (Michx.) Kuntze. Torrey's Mountain- 

 mint. (Man. p. 801; I. F. y: 5157.) In dry fields and thickets, Vt. 

 to R. I., N. Y., Va., Pa. and Mo. — Pennsylvania: Northampton; 

 Bucks ; Lancaster ; Dauphin ; Lycoming ; Allegheny. 



5. Eoellia clinopodioides (T. & G.) Kuntze. Basil Mountain; 

 MINT. (Man. p. 801 ; I. F. /. 3158.) In dry soil, N. Y. and Pa. to 

 Tenn. — Pennsylvania : Monroe ; Northampton ; Bucks ; Delaware ; 

 Lancaster; Berks. 



6. KoeUia incana (L.) Kuntze. Hoary Mountain-mint. (Man. 

 p. 802 ; I. F.y. 3 161.) Dry thickets and hillsides. Me. to Ont., Ohio and 

 Fla. — Pennsylvania : Monroe ; Northampton ; Bucks ; Delaware ; 

 Chester ; Lancaster ; Franklin ; Bedford ; Huntingdon ; West- 

 moreland ; Allegheny. 



7. Koellla mutica (Michx.) Britt. Short-Toothed Mountain-mint. 

 (Man. p. 802 ; I. F./. 3164.) In sandy soil. Me. to Va. and Fla., west 

 to Mo. — Pennsylvania : Northampton ; Delaware; Bucks ; Chester. 



