180 i:ui5iAci:-i:. (MAi)i>i,ii family.) 



Stamens 5, cxscrted. Style filiform, thlckeiicd above. Stigma obtuse or 2-loI)C(l 

 Capsule coriaceous, ovoid, 2-cellcd, oi)tniiig loculicidally at the aj)C.\, and scpti- 

 ( id:il!y nearly to the base, many-seeded. Seeds circular, imbricated, winged. 

 — Trees or shrubs. leaves opposite. Stipules solitaiy. Flowers white or 

 ■•eddish. 



1. E. Caribaeum, K. & S. Smooth; branches slender; leaves ovate- 

 lanceolate, acuminate ; jjcduncles axillary, solitary, 1-flowered ; corolla as long as 

 tlie leaves. — South Florida. — Shrub 6°- 12° high. Coroila 2' long, fragrant 



18. OLDENLANDIA, Plum. Bluets. 



Flowers tetramerous (except No. 8). Calyx 4-toothcd, persistent. Corolla 

 funnel-shaped, salver-shaped, or wheel-shaped, 4-lobed, imbricated in the bud. 

 Sfamcns 4. Stigma mostly 2-lobed. Capsule roundish or obcordate, 2-celled, 

 opening loculicidally at the apex, which is often free from the calyx. Seeds few 

 or many, wingless. — Chiefly small herbs, with opposite leaves. Stipules united 

 wirh the jtctioles, sometimes fringed with bristles. Flowers small, whire or pur- 

 plish. 



* Corolla salver-shaped, longer than the calyx, smooth : flowers dimorjihous, — some of 



them bearing exserted slamens and an included style, while others bear included 

 stamens and an exserted style : peduncles axillary, solitary : capsule broad, free 

 at the apex. 



1. O. CCerulea, Gray. Annual or biennial, smooth; stems tufted, fork- 

 ing ; leaves lanceolate, lliosc at the base spatulate, clustered ; peduncles elon- 

 gated, erect or sjjreading. (Iloustonia cosrulea, L. II. patens, Kll.) — Moist 

 banks, Florida to Mississippi, and northward. February and March. — Stems 

 3' - C high. Corolla blue or white, yellow in the throat. 



2. O. serpyllifolia, Gray. Perennial, smooth ; stems filiform, i)rostratc, 

 branching ; leaves ovate or roundish, abruptly contracted into a long and slen- 

 der petiole; peduncles elongated, terminal and in the forks of the stem. (Hou.s- 

 tonia serpyllifolia, 'Mivhx.) — High mountains of North Carolina. — Stems C- 

 12' long. Peduncles 1'- 2' long. 



3. O. I'Otundifolia, Gray. Perennial ; stems diffuse, creeping ; leaves 

 round or oval, fleshy, abruptly contracted into a short petiole ; peduncles mostly 

 .shorter than the leaves, recurved in fruit ; flowers white. ( Iloustonia rotundi- 

 folia, Michx.) — Sandy soil near the coast, Florida to South Carolina, and west- 

 ward. February and March, and bearing apetalous fiuiting flowers through the 

 year. 



* ♦ Corolla funnel-shaped : flowers dia:ciously dimorphous : capsule free at the apex : 



stem 4-angled : flowers in terminal cymes. 



4. O. purpurea, Gray. Pubescent; stem branching, erect; leaves ovate 

 or lanccohite-ovate, sessile, 3-5-ribbed; calyx-lobes longer than the capsule; 

 corolla purple or nearly white, slightly hairy within ; capsule roundish. (Ilous- 

 tonia pur[)urea, A.) — Woods, Mississippi to North Carolina, and northward. 

 June and July. — Stems 8'- 12' high. Calyx-lobes occasionally 3-4 times the 

 longlli of the capsule. 



