148 House: NortrH AMERICAN CONVOLVULACEAE 
Foliage densely brown-tomentose ; mature peduncles 4- 
cm. long; corolla 2 cm. long. 4. S. villosa. 
Filaments glabrous or nearly so. 
P. cles as long as the leaves or exceeding them, 
Bracts exceeding the flowers ; leaves linear. 5. S. Pickeringit. 
Bracts not exceeding the flowers ; leaves oblong to 
wly lanceolate. 6. S. aquatica. 
Pedicels step in the axils and shorter than the round- 
ovate leaves. 7. S. rotundifolia. 
1. Stylisma angustifolia (Nash) 
Breweria augustifola Nash, Bull. Torrey Club 22: 155. 1895. 
Type Locaity: Near Eustis, Florida. 
DisTriBuTIon: Sandy soil in high pine’ lands, Florida. 
2. STYLISMA HUMISTRATA (Walt.) Chapm. Fl. Southern U. S. 346. 
1860 
Convolvuus humistratus Walt. Fl. Car. 94. 1789. 
Convolvulus tenellus Desv. ; Lam. Encyl. 3: 559. 1789. — EIl. Bot. 
Ot Siok = 215, yeie . 
Convolvulus Sherardi Pursh, Fl. Am, Sept. 2: 30. 1814. 
Siylisma evolvuloides Choisy, Mém. Soc. Phys. Genév. 6: 494. 
18 33. 
Stylisma peduncularis Raf. Fl. Tellur. 4: 55. 1836. 
‘Breweria Choisyana Steud, Nom. ed. 2. 1: 224. 1840. 
Bonamia humistrata A. Gray, Man. ed. 5. 376. 1867. 
Breweria humistrata A. Gray, Syn. Fl. N. Am. 2: 217. 1878. 
Breweria tenella Peter, in Engler & Prantl, Natiirl. Pflanzenfam. 
4”: 16, 1601. 
Type Locatity: Carolina. 
DisTRiBuTION : Sandy soil, Virginia to Florida and Louisiana. 
3. Stylisma trichosanthes (Michx.) 
Convolvulus trichosanthes Michx. Fl. Bor. Am. 1: 137. 1803. 
Breweria trichosanthes Small, F1. Southeastern U. S. 939. 1903- 
TyPE LocALITy: Carolina. 
Distripution: Sandy soil, North Carolina to Florida and 
Alabama. 
