‘168. 
1. Stem and sepais pubescent, tips of sepals acute to 
linear or bristle-tipped; lobes of stigma and locules 
of capsule 3 (2 in I. lacunosa). 
2. Sepals densely yellow-villous near base, short- 
hirsute above, tapering to long linear tips; 
leaves densely hirsute on both sides, the lobes, 
if present, with narrow U-shaped sinuses.......... I. hederacea 
2. Sepals moderately to sparsely pilose, with broadly 
acute or bristle tips; leaves strigose or sparsely 
pilose, the lobes, if present, with broadly obtuse 
sinuses. 
3. Sepals moderately hirsute at base, sparsely so 
above, with broadly acute tips; peduncles long; 
leaves never lobed, strigose on both sides..... I. purpurea 
3. Sepals sparsely pilose, with bristle tips; 
peduncles short; leaves sparsely pilose, the 
lobes, if present, with broadly obtuse sinuses. 
Expected (I. lacunosa). 
Ipomoea pandurata (L.) G. F. W. Mey. Wild Potato-vine 
Ivy Neck. One station: plowed, fallow cornfield on Cheston 
Peninsula. Higman 1028. 
I. hederacea (L.) Jacq. Blue Morning-glory 
Ivy Neck. Moderately abundant in cornfields. Associate species: 
Barbarea vulgaris, B. verna, Cerastium vulgatum, etc. Higman 999, 1007, 1016. 
I. purpurea (L.) Roth. ‘Common Morning-glory 
Java Farm and Ivy Neck. Infrequent along unshaded roadsides, 
and in cornfields at Ivy Neck. Associated with I. hederacea above. 
Higman 1021, 1064. 
BORAGINACEAE 
1. Ovary unlobed, surmounted by the style. (Also, 
leaves oval, 2-5 cm. long, petioled; spikes bractless, 
5-12 cm. long; sepals 2-3 mm. long). Expected 
(Heliotropium) . 
1. Ovary deeply lobed, the 1-locular divisions forming 
nutlets around the base of the style. 
