6 



BILTMORE BOTANICAL STUDIES 



Marshallia obovata platyphylla (Curtis) Plate VI. 



M. lanceolata platyphylla Curtis, Chap. Fl. S. U. S. , ed. i, 241, i860; 

 Gray, Syn. Flora, ed. 2, 303. 1886. 



More common than the species, at least in herbaria, and 

 differing mainly in the longer stems, which are leafy to near the 

 middle, 3-5 dm tall, larger and broader leaves, often i-i.5 dm long 

 and i-2 cm wide. 



Same range as the species. 



The following specimens have been examined : North Carolina : Tryon, 

 E. C. Tozu?isend, May 24, 1897; Hyams, June, 1879; Hillsborough, M. A. 

 Curtis; Yadkin River Region, J. B. Britton ; Rowan county, Small & Heller , 

 No. 485. South Carolina: Abbeville, L. R. Gibbes, 1855; Seneca, G. Mc- 

 Carthy, June, 1888. Georgia : Chapman, no date or locality ; Yellow River 

 valley, Biltmore Herbarium, No. 1258 b; same locality, J. K. Small, May, 

 1895 ; Augusta, A. Cuthbert, No. 327 ; G. Vasey, 1878 (in part). Florida : 

 Dr. Chapman. 



Marshallia trineryia (Walt.) Porter. Plate IV. 



Athanasia trinervia Walt., Fl. Car. 201, 1788. 

 Persoonia latifolia Michx. , Fl. Bor.-Am. 2:105, 1803. 

 Trattenikia latifolia Pers., Syn. PL 2:403, 1807. 



Marshallia latifolia Pursh, Fl. Am. Sept. 2:519, 1814; Torr. & 



Gray, Flora N. A. 2:390, 1842; Chapman, Flora S. U. S. 241, 



i860; Gray, Syn. Flora, 2d ed. , 1:303, 1886. 

 Marshallia schreberi Tratt. Arch. Gew. 1 : 108, 1812-18, (ex. DC. 1. 



c. and Torr. & Gray, 1. c.) 

 Marshallia trinervia Porter, Mem. Torr. Club, 5 : 337, 1894 ; Britton 



& Brown, 111. Flora, 3:443, 1898. 

 Figures: Michx., FL, Bor.-Am., t. 43; Tratt. Arch. Gew. t. 123, (ex. 



DC. and T. & G. 1. c. ); Britton & Brown, 111. Fl. t. 3956. 



A perennial herb 3-7 dm tall : stem simple or occasionally 

 branched, glabrous, or pubescent near the summit, angled and 

 striate, leafy to near the summit : leaves thin, 5-i2 cm long, 

 1-3. 5 cm wide, the cauline ovate or ovate-lanceolate, the lowest 

 lanceolate or a little broader; they are glabrous, 3-nerved, acute 

 or acuminate at the apex, narrowed to a sessile or subsessile 

 base : peduncles 5cm_ 2 dm long : involucre hemispheric or broadly 

 campanulate, the bracts 6 mm -i cm long, i-2 mm broad, linear-lan- 

 ceolate, acute, glabrous: florets i-i.5 cm long, pubescent, the tube 

 of the corolla dilated at the throat: pappus scales about i.5 mm 

 long, entire, lanceolate, acuminate : achenes angled and ribbed, 



