1 88 



SCROPHULARIACEAE. 



[Vol. III. 



1. Melampyrum lineare Lam. Narrow-leaved Cow-Wheat. (Fig. 3340.) 



Melamfiyium lineare Lam I'^ncycl. 4: 22. 1797- 

 M. Ameruanuni Miclix. Kl. liur. Am. 2: 16. 1803. 



Tiiljeruleut; stem slender, obscurely 4-6i(led 

 above, at leiif^th widely brauclicd, 6'-i}4° high. 

 Leaves lanceolate or linearlanceolate, short- 

 petioled, acuminate or acute at the apex, nar- 

 rowed, obtuse, or tlie upper truncate at the base, 

 l'-2>2' long, : }4"-6" wide, the lower all en- 

 tire, the upper floral ones ovate or lanceolate, 

 with 2-6 bristle-pointed teeth near the base; 

 flowers short-pcduncled, 4"-6" long; cal\x 

 about one-third the length of the corolla, its 

 subulate teeth longer than its tube; corolla white 

 or whitish, puberulent, the lower lip yellow; 

 capsule 4"-5" long, about 2" wide, twice as 

 long as the calyx. 



In dry woods and thickets. Nova Scotia to Britisli 

 Columbia, south to North Carolina, KeiUucky and 

 Minnisola. Asctiids 3500 ft. in Virginia. JIay-Aug. 



2. Melampyrum latifolium Mulil. Broad- 

 leaved Cow-Wheat. (Fig. 3341.) 



Melampynim latifolium Muhl. Cat. 57. 1813. 



Similar to the preceding, widely branched, x°-\}^° 

 high; but the leaves all entire, short petiolcd, the 

 lowest small, spatulate, obtuse, the middle ones lan- 

 ceolate or ovate, acuminate, narrowed at the base, 

 I'-y long, the floral ovate or ovate-lanceolate, 

 shorter, acute, mostly rounded at the base; corolla 

 purple, veiny. 



In dry woods. Delaware (according: to Muhlenberg); 

 Virginia to Georgia and Tennessee. Juue-Aug. 



Family 28. LENTIBULARIACEAE Lindl. Veg. Kiugd. 686. 1847.* 



Bladdhrwort F.^milv. 

 Aquatic plants, or terrestrial on moist ground, with the leaves basal and 

 tufted, or borne on floating branching stems, or reduced to minute scales. Scapes 

 erect. Flowers .solitary or racemose, perfect, irregular, the pedicels bracteolate. 

 Calyx inferior, 2-5-parted. Corolla 2-lipped, the upper lip usually erect, con- 

 cave, or the sides plicate, entire, or 2-lobed, interior in the bud; lower lip larger, 

 spreading or reflexed, 3-lobed, with a palate projecting into the throat and a 

 nectariferous spur beneath. Stamens 2; anther-sacs confluent itilo i. Ovary 

 superior, ovoid or globose, r-celled; ovules numerous; style short, or none; 

 stigma 2-lamellate. Fruit a capsule, irregularly bursting, or dehiscent by valves. 

 Seeds anatropous, rugose, reticulated, or bristle-bearing; endosperm none. 



About 4 genera and i8o species, widely distributed in warm and temperate regions, both of the 

 Old World and the New. 



Aquatic or bog plants; foliage often dissected and bladder-bearing. i. Ulrictilaria. 



Terrestrial; leaves basal, tufted, entire. 2. Pinguicula. 



I. UTRICULARIA L. Sp. PI. i8. 1753. 



Herbs floating free in the water, or rooting in the mud, the aquatic species with stems 

 usually bearing finely divided leaves and covered with minute bladders; marsh species with 

 a few bladder-bearing leaves or rootlets under ground. Bladders contracted at the mouth, 

 closed by an operculum and furnished with a few projecting bristles. I'lowcrs racemose or 

 solitary at the summits of slender scapes, the pedicels 2-bractcolate. Calyx deeply 2-lobed, 



* Text contributed by the late Rkv. Thom.vs Moroxg. 



