PRIMULACEAE. 



VOL. II. 



i. Glaux maritima L. Sea Milkwort. Black 

 Saltwort. Fig. 3299. 



Glaux maritima L. Sp. PI. 207. 1753. 



G. maritima obtusifolia Fernald, Rhodora 4: 215. 1902. 



Perennial by slender rootstocks, glabrous, pale or 

 glaucous, simple or branched, erect or diffuse, 2'-i2' 

 high. Leaves oval, oblong or linear-oblong, rarely 

 somewhat spatulate, sessile, 2"-7i" long, i"-4" wide, 

 the lower usually smaller than the upper; flowers 

 about li" broad, solitary and very nearly sessile in 

 the axils, usually numerous; calyx-lobes oval, pink, 

 purplish or white; stamens either shorter than the 

 style or exceeding it ; capsule nearly enclosed by the 

 calyx, but free from and about equalling it. 



In salt marshes and on sea-beaches, New Jersey to 

 Newfoundland ; in saline or subsaline soil from Minne- 

 sota to Manitoba, Alberta, Nebraska and Nevada ; on 

 the Pacific Coast from California to Alaska. Also in 

 Europe and Asia. Called also sea-trifoly. June-Aug. 



10. ANAGALLIS [Tourn.] L. Sp. PI. 148. 1753. 



Annual or perennial, diffuse or erect, branching mostly glabrous herbs, with opposite or 

 verticillate (rarely alternate) sessile or short-petioled leaves, entire or nearly so, and small 

 axillary peduncled red blue white or pink flowers. Calyx 5-parted, the lobes lanceolate or 

 subulate, spreading, persistent. Corolla deeply 5-parted, rotate, the segments entire or erose, 

 convolute in the bud, longer than the calyx. Stamens 5, inserted at the base of the corolla, 

 filaments subulate, or filiform, puberulent, or pubescent, distinct, or united into a narrow ring 

 at the base ; anthers oblong, obtuse. Ovary globose, ovules numerous ; stigma obtuse. Capsule 

 globose, circumscissile, many-seeded. Seeds minute, flat on the back. [Greek, delightful.] 



About 15 species, mostly of the Old World, i native in southern South America. The following 

 European and Asiatic typical species is widely distributed as a weed. 



i. Anagallis arvensis L. Red or Scarlet 



Pimpernel. Poor Man's or Shepherd's 



Weather-glass. Fig. 3300. 



Anagallis arvensis L. Sp. PI. 148. 1753. 

 Anagallis coerulea Lam. Fl. Fr. 2: 285. 1778. 

 Anagallis arvensis coerulea Ledeb. Fl. Ross. 3 : 30. 

 1846. 



Annual, diffuse, usually much branched ; branches 

 4'-! 2' long, 4-sided. Leaves ovate or oval, mem- 

 branous, opposite or rarely in 3's, sessile or some- 

 what clasping, obtuse or acutish, 3"-io" long, 

 black-dotted beneath; peduncles filiform, 4'-iV 

 long, recurved in fruit ; calyx-lobes keeled, rather 

 rigid, slightly shorter than the crenate glandular- 

 ciliate or glabrous corolla-segments; flowers 

 scarlet or bine, sometimes white, usually with a 

 darker center, 2"-$" broad, opening only in bright 

 weather; capsule glabrous, about 2" in diameter. 



In waste places, Newfoundland to Florida, west to 

 Minnesota, Texas and Mexico, and on the Pacific 

 Coast. Naturalized from Europe. Red chickweed. 

 Burnet-rose. Shepherd's-clock. Bird's-eye or-tongue. 

 Sunflower. Eyebright. Wink-a-peep. Shepherd's- 

 delight. May-Aug. 



IT. CENTUNCULUS [Dill.] L. Sp. PI. 116. 1753. 



Low annual glabrous erect simple or branched herbs, with alternate small entire sessile 

 or short-petioled leaves, or the lower opposite, and minute solitary axillary flowers. Calyx 

 4~5-parted, persistent, the lobes longer than the corolla. Corolla 4-5-cleft, marcescent, the 

 tube subglobose, the lobes entire, acute, spreading. Stamens 4-5, inserted on the throat of 

 the corolla; filaments short, glabrous, distinct; anthers ovate or cordate, obtuse; stigma 

 capitate. Ovules numerous, amphitropous. Capsule globose, circumscissile, many-seeded. 

 Seeds minute, flat on the back. [Latin, diminutive of cento, a patch.] 



Three species, of wide geographic distribution. In addition to the following typical one, another 

 occurs in Florida. 



