480 250. Valerianella. 41. VALERIANEAE. PI. ex. cal. 
2. Valerianella dent at a. Toothed corn-salad. 
Leaves lanceolate, edge not cut; calyx 3-toothed, un- 
equal, persisting ; fruit ovate, pointed, 1-seeded. 
Valerianella dentata, Willd. S. P. 183. 
Fedia dentata, Willd. S. P. 182. 
Fields and corn-fields ; annual ; April. 
Stem repeatedly forked ; flowers solitary, axillary ; calyx- 
teeth 2 very short, 1 long; fruit ovate, gibbous. 
j3. seiratifolia. Leaves toothed above. 
Fam. VII. 42. RUBIACEiE. Jussieu. 
Calyx adherent to the ovary, 4 or 5-lobed ; corolla on 
the ovary, tubular; limb 4 or 5-cut, regular; stamens 4 
or 5, inserted into the corolla, alternating with the lobes ; 
ovary 2-celled; style 1 ; stigmata 2, crowned by a nectary 
of 2 semicircular glands ; dieresile 2-coccous, 2-seeded ; 
cocci not dehiscent; placentarium central; seeds peltate; 
corculum straight ; perisperm horny ; radicle above ; coty- 
ledons leaflike. — Stem herbaceous ; root reddish ; leaves not 
cut, in whirls ; flowers terminal, corymbose ; corolla white, 
yellow or red. 
Fruit dry, crowned cor. funnelshape Sherardia. 251. 
Fruit dry, not crowned ; cor. funnelshape Asperula. 252. 
Fruit dry, not crowned ; cor. rotate, or 
bellshape Galium. 253. 
Fruit berrylike ; cor. bellshape Rubia. 254. 
I. 251. SHERARDIA. Dillenius. Sherard. 
Calyx 2 lobed ; lobes 2 or 3-toothed, persisting ; corolla 
funnelshape, tube long, limb 4-cut ; fruit dry, crowned 
with the calyx.- — Flowers umbelled ; umbels sessile, termi- 
nal, involucrated ; involucrum many-leaved. 
Sherardia arvensis. Field sherard. 
Leaves 6 in a whirl ; flowers terminal, sessile, umbelled ; 
involucrum 8-leaved. 
Rubeola arvensis repens caerulea, Raii Syn. 225, 1. 
Sherardia arvensis, Lin. S. P. 149. 
Littlefield madder. 
Corn-fields ; annual ; April to September. 
Herb diffuse, bald or hairy; leaves pointed, keel and edge 
rough ; corolla purplish blue. 
