JJtei of the itppn* (tabetic 



jutb at the abjacettt 



anb ttb-gintak*n tracts. 



LXIII,-PLUMBAGINACE^3. 



Herbs or undershrubs. Radical leaves often in rosettes, cauline 

 usually alternate ; stipules 0. Floivers on terminal scapes or ped an- 

 cles, solitary or in heads racemes or panicles, hermaphrodite, regular, 

 bracts usually rigid and with soarious margins, often sheathing the 

 flowers; braeteoles 2. Calyx inferior, tubular, 5-10-ribbed, often 

 hyaline between the ribs ; mouth frequently funnel-shaped, scari- 

 ous. Petals 5, free or connate at the base into a very short tube 

 or united into a linear tube, spreading. Stamens 5, opposite the 

 petals ; filaments nearly free, or adnate to the base of the corolla. 

 Ovary superior, 1-celled, 5* angled above ; styles 5, distinct from the 

 base or more or less connate below, stigmas subcapitate ; ovule 1 9 

 pendulous from a basal ascending funicle, anatropous. Capsule 

 membranous or hardened at the apex, usually included within the 

 calyx, dircumsciss or rupturing near the thin base, the hardened apex 

 often 5-valved. Seed cyliadric, pendulous ; endosperm more or less 

 copious or 0. Species about 200, throughout the world, chiefly mari- 

 time or in saline or desert places, 



Calyx covered with stalked glands. 1. PLUMBA.QO, 

 Calyx not glandular . . . .2. VOGELIA. 



1. PLUMBAGO, Linn. ; PI. Brit. Ind. iii," 480. 



Perennial herbs or uudershrubs, often scandent. Leaves alternate, 

 auricled and amplexicaul at the base or with dilated and amplexicaul 

 membranous petiole. Flowers in terminal spikes ; bracts and 

 bracteoles shorter than the calyx. Calyx tubular, covered with 

 stalked glands, limb 5-fid. Corolla-tube long, slender; lobes 5, 

 rounded, spreading. Stamens free ; filaments linear, dilated at the 

 base. Ovary narrowed towards the apex ; style slender, divided 



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