SCROPHULARIACEZ 93 
4, D. discolor, Bernh. Corolla purplish: capsule and stout prickles pubescent. 
6. D. meteloides, DC. Leaves entire or repand, one-sided: capsule large. S. Cal. 
; 4, NICOTIANA, Tournefort. 
Very viscid, ill-scented herbs: flowers soon closing in sunshine. 
Corolla salverform, the limb 4 or 6 lines broad.........s.eeeee eT ee 
Corolla tubular-funnelform, white; stamens unequally iaugcted. ate Sie eine ieeree.s 3, 4 
Very suiooth glaucous shrub: corolla tubular, greenish yellow.........ceessceeeceses 5 
1. N. Clevelandi, Gr. Corolla greenish white, violet tinged, an ingh long. ‘s. Cal. 
2. N. attenuata, Torr. Calyx shorter: corolla longer, limb white. 
3. WN. Bigelovii, Watson. Corolla 1-2 inches long, nearly as broad. 
Var. Wallacei, Gr. Corolla smaller: leaves often nearly clasping. S. Cal. 
4. N. quadrivalis, Pursh. Corolla broader than long: capsule globular. Or. E. 
Var. multivalis, Gr. Corolla often 2 in. broad, 5-8-lobed: capsule large. Or. 
5. N. glauca, Graham. Leaves long-petioled, subcordate. Naturalized. S, Cal. 
y a 
7 : 5. PETUNIA, Juss. 
1. P. parviflora, Juss. Spreading or prostrate on the sea shore. 
SCROPHULARIACES, 
A. Leaves all or all but the lower ones alternate, rarely all radical. 
° Leaves simple and entire (except t in No. 1 and 16): corolla sometimes nearly regular, upper 
lip not beak-like, 
Corolla 5-lobed, rotate: stamens 5; filaments woolly.............seceeeeee sislalelsreroaies sa 
Corolla bilabiate, throat nearly closed: stamens 4. 
Base of corolla prolonged into a slender spur on lower side...........+ es coer B 
Base of corolla swollen or saccate on lower side.... ....0..+4 sais sis s aldte 6 Seis ovis 3 
Corolla large, open bilabiate with dentate lobes: stamens 2...... scuusiewiseenicoures & 
Corolla nearly regular: stamens 4: leaves narrow, mostly radical........-see-se0++- 14 
Corolla large, campanulate-bilabiate, 4-lobed: stamens 4.........ceeeeeececececeees 15 
Ooroila and calyx 4-lobed: flowers small: stamens 2. 
Leaves cordate-orbicular, all radical, scapes slender.........00..20eeeeecerece 16 
Leaves on the stem: corolla rotate, 4-lobed........ delbiviisieleviee skeet ee es ecmee 17 
° © Leaves or at least the bracts incisely lobed or pinnate: corolla tubular-bilabiate, closeds 
upper lip beak-like or compressed on the sides. 
Leaves or lobes not serrate: anther cells unequal or only one. 
Upper corvlla-lip much surpassing the 3-toothed obscure lower lip........... 18 
Upper lip erect, much smaller than the 3-saccate, 3-toothed lower lip........ 19 
Lips of club-shaped corolla nearly equal: calyx 1-3-leaved.............00-00 20 
