NE 



BO. 



Jflora of the £tpper (Sanjetic JJlain 



;tno of the nbjaccnt 



Sitoitltk anb Sub-Simahimtn tracts. 



LXIII.-PLUMBAGINACEJE. 



Herbs or undershrubs. Radical leaves often in rosettes, cauline 

 usually alternate ; stipules 0. Floioers on terminal scapes or pedan- 

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

 bracts usually rigid and with siarious margins, often sheathing the 

 flowers; hracteoles 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 

 I a^e or more or less connate below, stigmas subcapitate ; ovule 1, 

 pendulous from a basal ascending funicle, anatropous. Capsule 

 membranous or hardened at the apex, usually included within the 

 calyx, circumsci88 or rupturing near the thin base, the hardened apex 

 often 5-valved. Seed cyluidric, pendulous ; endosperm more or lees 

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

 time or in saline or desert places. 



Calyx covered with stalked glands. . 1. Plumbago. 

 Calyx not glandular . . . .2. Vogelia. 



1. PLUMBAGO, Linn. ; Fl. Brit. Ind. iii, 4S0. 



Perennial herbB or undershrubs, often scandent. Leaves alternate, 

 auricle d and amplexicaul at the base or with dilated and amplexicaul 

 membranous petiole. Floicers in terminal spikes ; bracts and 

 hracteoles shorter than the calyx. Calyx tubular, covered with 

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

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

 base. Ovary nan owed towards the apex ; style slender, divided 



B 



