HYDROPHYLLACE^E. 639 



S. grandiflora, Nutt. Biennial; stem simple, hairy (1-1| high); 

 leaves thin, long-petioled, cordate, crenate-serrate, obtuse, the floral ones 

 narrower, acuminate, sessile; corolla large (!' long), yellowish-white; 

 calyx-teeth acute. Shady woods, Tennessee, and northward. June. 



STACHYS, L. 



S. COrdata, Riddell. Stem slender, more or less hirsute ; leaves thin, 

 oblong-cordate, crenate, acuminate, long-petioled, the floral ones minute ; 

 calyx-teeth broadly subulate. Banks of streams, mountains of Georgia 

 and Tennessee. August. 



ORDER BORRAGINACE^E. 



CORDIA, Plum. 



C. Sebestena, L. (GEIGER-TREE.) Rough-pubescent; leaves large 

 (4'-8' long), ovate; cyme loose, many-flowered; calyx cylindrical, 2-5- 

 toothed, half as long as the tube of the large red corolla; stamens 5-8. 

 Keys of South Florida. A large shrub. 



HELIOTROPIUM, Tourn. 



H. polyphyllum, Lehm. Rough, with short appressed white hairs ; 

 stems (1 long) spreading from a woody root, very leafy; leaves nearly 

 sessile, lanceolate ; spikes leafy; nutlets 4, hairy ; corolla white, or, in var. 

 Leavenworthii, Gray (H. Leavenworthii, Torr.), bright yellow. South 

 Florida, the variety near Miami (Garber). 



H. tenellum, Torr. Annual, rough-hairy; stem erect (6'- 12' high), 

 slender, branching; leaves linear; racemes leafy or naked, remotely few- 

 flowered, calyx-lobes linear, unequal; corolla white. Alabama, West Ten- 

 nessee, and westward. 



H. anchusaefolium, Poir. Stem villous, simple ; leaves lanceolate ; 

 yme compact, at length spreading; flowers violet-blue. East Florida; 

 Augusta, Georgia; Montgomery, Alabama. Introduced. 



LITHOSPERMUM, L. 



L. latifolium, Michx. Softly pubescent ; leaves broadly lanceolate, 

 acute or acuminate; root fibrous ; otherwise like L. tuberosum. Tennessee, 

 and northward. Stem l-2 high. 



ORDER HYDROPHYLLACE^. 

 HYDROPHYLLUM, Tourn. 



H. macrophyllum, Xutt. Hirsute; stem stout (l-2 high) ; leaves 

 long (6' -10'), pinnatifid, with distinct oval toothed lobes, the upper lobes 



