DESCRIPTION OF GENERA OF PLANTS. 



CLASS i. MONANDRIA. One Stamen. 



Order 1. JMonogynia. One pistil. 



SALICOR'^IA. Calyx inflated, entire, 3 or 4-sided, obconic ; corolla ; 

 style 2-cleft ; seed 1, enclosed in the calyx. (samphire.) 



Order 2. Digynia. Two pistils. 



BLI'TUM. Calyx 3-cleft, or 3-parted, berry-like : corolla 0: seed 1, 

 immersed in the calyx. (blite.) 



CLASS ir. DIANDRIA. Two Stamens. 



Order 1. Monogynia. One pistil. 



A. Corolla \-pctaled, inferior, regular ; seeds in a drupe or nut. 



CHIOXAN"THUS. Calyx 4-parted ; corolla 4-parted, with very long 

 divisions: nucleus of the drupe, striate-fibrous. (fringe-tree.)* 



Exotic. 



JAS"MINUM. Corolla salver-form, 5 to 8 cleft : berry 2-seeded, ea:n 

 seed solitary, arilled. (jasmine.) 



SY-RIN"GA. Corolla salver-form : capsule 2-celled. (lilac.) 



B. Corolla l-pcfalcd, inferior, irregular ; seeds in capsules. 



VERO-N"ICA. Calyx 4-parted : corolla cleft into 4 lobes, lower divi- 

 sion smaller: capsule obcordate, few-seeded, 2-celled. (speedwell.) 



CATAL"PA. Corolla 4 or 5-cleft, somewhat inflated, bell-form : calyx 

 2-parted or 2-leaved : stigma 2-lipped : capsule cylindric, 2-cellcd. 

 (catalpa tree.) 



C. Corolla l-pctaled, inferior, irregular; seeds naked. 



MON*AR"DA. Calyx cylindric, striated, 5 toothed: corolla ringen? 

 lubular. (Oswego tea, mountain mint.) 



SAL" VIA. Calyx tubular, striated, 2-lipped, under lip 2 to 3-toothtd, 

 lower lip 2-cleft: corolla ringent, upper lip concave, lower lip broad, 

 three-lobed, the middle lobe the largest, notched : stamens with two 

 spread ing branches, one of which bears a one-celled anther ; germ fruit 



* This is an exo'.ic in our region, hut grows wild in tlie southern slates. 

 13 



