LXXXVII. SCROPHULARIACEA. 267 
18. NYCTERINIA, Don. 
Calyx ovate-tubular, shortly 5-toothed, 2-labiate or 2-parted. 
Corolla persistent, with a long tube, at length split at base ; 
‘the throat equal, often hispid ; limb 5-lobed, spreading, lobes 
2-fid or entire. Back stamens included, with oblong, erect 
anthers ; anterior stamens in the throat, with small, transverse, 
mostly empty anthers or 0. Capsule leathery or membranous, 
loculicidally 2-valved, oblong, the valves shortly 2-fid—DC. 
Prod. x. p. 348; Thes. Cap. t. 58. 
Annual or perennial, somewhat woody herbs, more or less viscid, turn- 
ing black in drying. Lower leaves opposite, upper alternate, dentate ; the 
floral often appressed or adnate to the calyx. Flowers in terminal spikes, 
sessile.—16 species, dispersed. 
19. POLYCARENA, Benth. 
Calyx membranous, 2-labiate, 2-parted in fruit. Corolla 
persistent, the tube at length split; the throat wider ; lobes 
of the limb entire. Stamens 4, didynamous; anthers all 
similar, exserted. Capsule membranous, ovate.—DC. Prod. x. 
p. 350. 
Small annuals, mostly viscid. Lower leaves opposite, upper alternate, 
the floral adnate to the short pedicel. Flowers subsessile, small, in termi- 
nal spikes, lengthening as the flowers open.—10 species, dispersed. 
20. PHYLLOPODIUM, Benth. 
Calyx membranous at base, subequally 5-fid or 5-parted. 
Corolla subpersistent, funnel-shaped, with a short tube; lobes 
of limb entire. Stamens 4,exserted ; anthersalike. Capsule 
membranous, ovate or oblong.— DC. Prod. x. p. 352. 
Small, rigid, diffuse annuals, turning black in drying. Floral leaf adnate 
to the very short pedicel or the calyx. Flowers mostly small, in spikes, 
which are subcapitate at first, afterwards lengthened out.—7 species, dis- 
persed. 
21. SPHENANDRA, Benth. 
Calyx 5-parted. Corolla deciduous, with a very short tube, 
and rotate 5-parted limb, the lobes entire. Anthers 4, ex- 
serted, all similar, reniform. Capsule ovate or oblong.—D0. 
Prod. x. p. 353. 
A subperennial or annual plant, erect, viscidly hairy. Leaves mostly 
opposite, oblong-lanceolate ; the floral free from the pedicel, short, ovate, 
entire, very acute. Corolla violet.—Eastern district. 
22. CHAANOSTOMA, Benth. 
Calyx 5-parted. Corolla deciduous, funnel- or salver-shaped, 
more or less widened at the throat, rarely with a short tube, 
