54 NEOBOT. 



men from Bradbury is apparently only male. 



867. Eriogonum longifolium Nut. in Coll. 

 herb, stem simple cinereous, radical leaves 

 petiolate cuneate elongate smooth above, white 

 tomentose beneath, stem leaves sessile linear, 

 umbel dichotome, flowers lateral glomerate 

 sessile, perianthe campanul. 5-6fid obtuse. — 

 Ozage prairies (Nuttal) in Arkanzas, bipedal, 

 lower leaves 6 to 8 inches long, becoming grad- 

 ualy less and very small above, flowers rather 

 dichotomous than umbellate in lateral clusters 

 almost sessile, perianthe deeper cut than usual. 



EVOLVULUS and akin 

 I have several N. American sp. that would 

 be reduced to Evolvulus by habit and calix 

 equal ; but this Linnean Genus must form many 

 see fl. tellur. 1046 to 1054; while my speci- 

 mens are often deficient in the flowers so as 

 not be reducible easily to those genera, based 

 on the shapes of corolla, styles &c : probably 

 however most belong to my Stylisma of 1817. 



868. STYLISMA R. 1817. fl. tell, calix sim- 

 ple subequal, corolla campanulate subentire or 

 sub-tendentate, filaments 5 subequal villose at 

 base, anthers sagittate, disk annular, style bi- 

 parted, 2 stigmas globose, capsule 41ocular 

 4sperme. — Perennials, peduncles axillary — 

 The true Evolvulus differs by corolla rotate 

 5fid, capsule 2locular 4valve disperme, 2styles. 



869. Stylisma iieteropiiyla Raf. Convolv. 

 tenellus Muhl. in Coll. herb. C, trichosanthes 

 Lee. in do, not of others — stem erect terete pu- 

 bescent, leaves subsessile nearly smooth, lower 

 obovate obtuse, upper elliptical obliqual acute, 

 peduncles patent uniflore double of leaves with 

 2 unequal oblong bracts, calix smooth, segments 

 ovate acute — Florida and Georgia, a very dis- 



