4:^2 FLOKA OF TEXAS. 



the very short bristle-like calyx-lobes. July and August. 

 Stem rigid, hollow, 2°-2i° high; leaves lJ'-3' long; corolla 

 5"-G" wide. 



ft Flowers scattered, on long peduncles, white or purple; branches alternate. 



S. STELLARis, Pursh. Stciii obscurely 4-angled, slender, 

 paniculately branched, the branches elongated; leaves 

 somewhat fleshy, the lowest lanceolate or oblong, obtuse, 

 the upper linear, acwiQ', flotuers on very long peduncles; 

 lobes of the corolla oblong, longer than the filiform calyx- 

 lobes. Salt marshes. August and September. Stem l°-3° 

 high; leaves 1-2' long; jf?efZ?^?icZe.s l'-4' long; corolla IJ' 

 wide. 



** Calyx and corolla '1-12-parted ; flowers purple. 



S. GENTIANOIDES, Ell. Ste??i erect, simple, slender; low- 

 est leaves lanceolate or oblong, narrowed at the base, the 

 others long, linear, sessile ; floivers large, in axillary and 

 terminal clusters, or terminal and solitary ; corolla 8-10- 

 parted, 2-3 times as long as the subulate calyx-lohQ^; 

 aJithers straight. Low pine-barrens. July and August. 

 Stem l°-2° high; leaves lJ'-3' long; corolla 2' wide. 



EUSTOMA, Don. 



Calyx bell-shaped, 4-5-parted, sharply 4-5-angled, the 

 lobes subulate, keeled; corolla tubular, 4:-5-lobed, mem- 

 branaceous at the base, withering-persistent, the lobes erect, 

 lanceolate-oblong, acute ; stamens 4-5, partly exserted, in- 

 serted on the middle of the tube of the corolla; anthers 

 sagittate, introrse, opening lengthwise ; style conspicuous, 

 erect, persistent; stigmas ronnd-ovate, thick, at length 

 spreading, with the margins revolute; capsule oblong, ob- 

 tuse, 1-celled, the margins of the valves slightly inflexed; 

 placentce spongy, sutural; seeds minute, globose, sessile. — 

 Herhs, with oblong glaucous clasping leaves, and 2><^nicled 

 showy purple or \)\wq flowers. 



