DICOTYLEDONS. 181 



G. SEMPP:RVinExs (L.) Ait. Yellow Jessamine. Stein smooth, 

 twining high ; young branches purple ; leaves lanceolate to ovate, 

 acuminate at the apex, acute to slightly cordate at the base, entire, 

 coriaceous; flowers H in. long, bright yellow, fragrant, of two forms, 

 in one of which the anthers are exserted and the style included, 

 while in the other the anthers are included and style long ; pedicels 

 short ; capsule flattened contrary to the partition, seeds oval, winged 

 at the apex. March- April. Woods and river banks. 



II. SPIGELIA. 



Herbs ; leaves opposite, entire ; flowers in one-sided, scor- 

 pioid spikes, or rarely solitary ; calyx 5-parted, its lobes slen- 

 der, persistent ; corolla tubular-funnel form, 5-lobed, the tube 

 many-nerved ; stamens 5, inserted in the tube of the corolla, 

 anthers linear; style slender, jointed in the middle, bearded 

 above, stigma capitate, ovary 2-celled, ovules many ; fruit a 

 capsule, few-seeded, seeds not winged. 



S. Marilandica L. Pinkkoot. Perennial; stem simple, erect, 

 smooth, 4-angled, 1-2 ft. high ; leaves ovate to ovate-lanceolate, acute 

 at the apex, rounded or sessile at the base, smooth above, pubescent 

 on the veins beneath ; spikes terndnal, many-flowered, sometimes 

 forking, bracted below the short pedicels; corolla H-'i in. long, dark 

 red outside, yellow within, lobes lanceolate, spreading ; anthers and 

 style exserted ; capsule somewhat flattened, seeds flattened, orbicu- 

 lar. May-June. In rich woods. 



102. GENTIANACE^. (;P:XTIAX FAMILY. 



Herbs ; mostly with a bitter juice ; stem smooth ; leaves 

 simple, opposite or verticillate, exstipulate, entire ; flowers 

 l)erfect, regular, terminal or axillary, clustered or solitary; 

 calyx 2-12-parted, persistent ; corolla 4-12-lobed ; stamens 

 as many as the lobes of the corolla and inserted in its lobes 

 or throat ; ovary superior, 1- or partly 2-celled, ovules numer- 

 ous, attached to i)arietal placentae, style simple or none, 

 stigma entire or 2-lobed ; fruit a 1-celled, or imperfectly 2-4- 

 celled capsule dehiscent by 2 valves. 



