PRIMULACE.E. (PRIMROSE FAMILY.) 297 



1. A. Pickeringia, Torr. & Gray. Smooth; leaves oblong-ubovate, ob- 

 tuse, entire, narrowed into a short pe iole, pale beneath ; panicles terminal, 

 short; corolla dotted with minute black globules. South Florida. July. 

 Leaves 2' long. Drupe 1" iu diameter, shorter than the pedicel. 



3. JACQUINIA, L. 



Calyx lobes obtuse. Corolla bell shaped, with ovate obtuse appendages. 

 Stamens inserted on the base of the corolla : filaments broad and flat. Style 

 cylindrical from a conical base: stigma capitate, 5-angled. Berry pointed, 

 3-10-seeded. Albumen hard. Leaves entire, short-petioled. Flowers in 

 racemes. 



1. J. armillaris, L. Branches puberulent ; leaves wedge-obovate, the 

 margins revolute; racemes chiefly terminal, many-flowered, rather longer 

 than the leaves ; corolla bell-shaped, fleshy ; stamens short ; the filaments di- 

 lated and connate at the base, lining the base of the corolla; fruit subglobose. 

 South Florida. Leaves I'-l^'long. Fruit 5" in diameter, orange-red. 



ORDER 85. PRIMUIjACE^}. (PRIMROSE FAMILY.) 



Herbs, with chiefly whoiied or opposite leaves, and regular flowers. 

 ' Calyx 4 -5-lobed, persistent. Corolla 4-5-lobed. Stamens 4-5, 

 opposite the lobes of the corolla, and inserted on its tube. Ovary 

 free, or partly adherent to the calyx, 1-celled, many-ovuled. Placenta 

 central, globose. Style single. Capsule 1-celled, many-seeded, val- 

 vate or circiunscissile. Seeds anatropous or amphitropous. Embryo 

 straight in fleshy albumen. 



Synopsis. 



* Ovary free from the calyx. 

 4- Capsule opening by valves or teeth. 



1. HOTTONIA. Corolla salver-shaped. Leaves pectlnately dissected. 



2. LYSIMACHIA. Corolla lobes entire. Sterile filaments none. Anthers oval. 



3. STEIRONEMA. Corolla lobes denticulate. Sterile filaments between the fertile. An- 



thers linear. 



4. DODECATHEON. Corolla wheel-shaped. Stemless. Leaves radical. 



i- -i- Capsule opening transversely. 



5. ANAGALLIS. Parts of the flower 5. Leaves opposite. Stamens bearded. 



C. CENTUNCULUS. Parts of the flower 4. Leaves alternate. Stamens beardless. 



* * Ovary partly adherent to the calyx. 

 7. SAMOLUS. Stamens 5, with sterile filaments interposed. Capsule valvate. 



1. HOTTONIA, L. 



Calvx 5-parted. Corolla salver-shaped, 5-lobed. Stamens 5. Style slender. 

 Capsule globose, at length splitting into 5 valves, which cohere at the base 

 and apex. Seeds fixed by the base, anatropous. Aquatic perennial herbs, 



