390 PLANTAGINACE.E. (PLANTAIN FAMILY.) 



33. TEUCRIUM, L. GERMANDER. 



Calyx tubular or bell-shaped, 5-toothed. Corolla 5-lobed ; the 4 upper lobes 

 short, the lowest large, oblong or rounded, concave. Stamens 4, didynamous, 

 the lower pair longest, exserted between the 2 upper lobes of the corolla : 

 anther cells confluent. Nutlets rugose. 



1. T. Canadense, L. Stem tomeutose, erect, simple or branched ; leaves 

 short-petioled, ovate-lanceolate, acute, serrate, pubescent above, white-velvety 

 beneath ; flowers mostly alternate, in a long hoary raceme, longer than the 

 subulate bracts ; calyx bell-shaped. Swamps and low ground. July - Sept. 

 # Stem 2 - 3 high. Leaves 2' - 6' long. Flowers purplish. 



PERILLA OCTMOIDES, L., cultivated as a foliage plant, is spontaneous along 

 roads in the upper districts, and the Thyme of the garden (TuYSius SER- 

 PYLLUM, L.) is sparingly naturalized in North Carolina. 



ORDER 103. PL ANT AGIN ACE^. (PLANTAIN FAMILY.) 



Chiefly stemless herbs, with radical mostly ribbed leaves, and small 

 whitish spiked or capitate flowers, borne on a naked scape. Calyx 

 of 4 imbricated sepals, with scarious margins. Corolla salver-shaped, 

 4-parted, withering. Stamens 2-4, included or exserted, inserted on 

 the tube of the corolla, and alternate with its lobes : anthers 2-celled, 

 deciduous. Style slender. Ovary free, 2- 4-celled. Capsule 2-celled, 

 few - many-seeded, opening transversely. Seeds attached to the de- 

 ciduous partition. Embryo straight in fleshy albumen. 



1. PLANTAGO, L. PLANTAIN. 



Characters same as the order. 



* Flower perfect, 



1. P. major, L. Leaves ovate or oval, smooth or pubescent, 5-7-rihbed, 

 mostly toothed, narrowed into a broad concave petiole ; scape pubescent ; spike 

 long-cylindrical, densely many-flowered ; bracts ovate ; capsule many-seeded. 

 Low ground around dwellings. Introduced. May -August. Scape 6' - 

 1 2' h igh. Leaves 4' - 6' long. 



2. P. cordata, Lam. Smooth ; leaves broadly ovate or cordate, toothed, 

 7-9-ribbed, on long flat petioles; spike long-cylindrical, rather loosely 

 flowered ; bracts roundish ; capsule 2 - 4-seeded. Low ground in the upper 

 districts. April -June. ^ Scape 1 high. Leaves 3' -8' long. 



3. P. Rugelii, Decaisne. Leaves smooth or pubescent, oblong, entire or 

 obscurely denticulate, 3-5-ribbed ; spike cylindrical, rather loosely flowered; 

 bracts acute, shorter than the smooth calyx ; capsule conical, 4-seeded. Low 

 ground in the upper districts. Plant small. Scape slender, 6'- 10' high. 



4. P. Patagonica, Jacq. Annual, villous, or sometimes smoothish ; 

 leaves lanceolate or linear, shorter than the scape ; spike oblong or capitate, ; 



