SCROPHULARIACEAE. 



[Voi„ III. 



2. Ilysanthes attenuata (Muhl.) Small. 



Short-stalked False Pimpernel. 



(Fig. 3281.) 



Lindernia altenuala Muhl. Cat. 59. 1813. 

 Ilysanlhes frralio!oides curliptdicellata Bush, Bull. 



• Torr. Club, 21 : 494. 1894. 

 /. allfitnala Small, Dull. Torr. Club, 23: 297. 1896. 



Stem erect or ascending, 3'-i6' long, the 

 branches spreading. Leaves obloug to ovate, or 

 sometimes obovate, }i'-iyi' long, Ihinnish, ob- 

 tuse, serrate with a few low teeth, 3-5 -nerved, nar- 

 rowed into short petioles, or sessile; peduncles 

 shorter than the leaves; calyx-segments liuear- 

 subulate, as long as the capsule, or longer; cor- 

 olla 2"-6" long; capsule narrowly ovoid, about 

 2" long, pointed; seeds slightlj- curved, i>^"-2" 

 long, yellowish brown, the ends usually rounded. 

 In wet places, Maine and Ontario to Wisconsin, 

 south to Florida and Missouri. Ascends to 2000 ft. 

 in Virginia. Maj'-Oct. 



16. MICRANTHEMUM Michx. Fl. Bor. Am. i: 10. />/. t2. 1803. 



Creeping or ascending, branched small leafy annual glabrous herbs, with opposite obo- 

 vate oval or orbicular sessile entire leaves, and minute white or purplish short-ped uncled 

 flowers, solitary in the axils. Calyx 4-5lobed or 4-5-parted. Corolla very irregular, the 

 tube short, the upper lip shorter than the lower, or wanting, the lower 3-lobed, spreading or 

 ascending, the middle lobe the largest. Stamens 2, anterior; filaments short, somewhat 

 dilated or appendaged at the base; anthers small, their sacs distinct, parallel, or slightly 

 divergent. Style short; stigma 2-lobcd. Capsule globose, 2-celled by a membranous parti- 

 tion or becoming i-celled. Seeds numerous, minute. [Greek, small flower.] 



About 16 species, natives of America. Besides the following, another occurs in the southern 

 United States. 



1. Micranthemum micranthemoides (Nutt.) Wettst. Nuttall's Micran- 



tliemum. (Fig. 3282.) 



Hemiant/ius micrmit/iemoides TSiult. Journ. Acad. Phil. 



I: 119. fi/. 6. 1817. 

 Micranlliemum Nullallii .\.CjX&y,'i\A\\. Kd. 5, 3,'5i. 1867. 

 Micraulhemum niicra)i/hcmoides Wettst. in l^ngl. & 



Prantl, Nat. Ptt. Fam. 4: Abt. 3b. 77. 1891. 



Somewhat fleshy; stem filiform, creeping, the 

 branches ascending, Yz'-iYz' high. Leaves obo- 

 vate to oval, obtuse, \"-2yz" long; flowers about 

 Yz" long, borne on peduncles of about the same 

 length; calyx campanulate in flower, obovoid in 

 fruit, 4-lobed, usually split along one side; pedun- 

 cles recurved in fruit; upper lip of the corolla 

 nearly obsolete; middle lobes of the lower lip 

 longer than the lateral ones; appendages at the 

 bases of the stamens nearly as long as the fila- 

 ments; stigma of 2 subulate lobes; capsule obo- 

 void-globose, Yi" 'd diameter, as long as the calyx. 



In tidal mud, New Jersey to Florida. Also in Cuba. 

 Aug. -Oct. 



17. LIMOSELLA I,. Sp. PL 631. 1753. 



Low glabrous succulent flo.-itiug or creeping,tufted annual herbs(or perennial by stolons?), 

 with filiform stems rooting at their nodes, basal slender-petioled entire leaves, and filiform 

 l-flowered scape-like peduncles, the flowers small, white, pink, or purple. Calyx campanu- 

 late, 5-lobed. Corolla nearly regular, open-campanulate, the tube short, the limb 5-cleft. 

 Stamens 4, inserted on the corolla-tube, scarcely exserted; filaments short; anther-sacs con- 

 fluent. Style short; stigma capitate. Ovar5' 2-celled at the base, i-celled above. Capsule 

 globose or oblong, becoming i-celled, many-seeded. [Greek, mud seated.] 



About 6 species, of wide geographic distribution. 

 Leaves expanded above into an oblong or linear-oblong blade. i . L. aqnalica. 



Leaves filiform-linear, with little or no distinction between blade and petiole. 2. L. tenui/olia. 



