332 MENYANTHACEAE. 



2. Sabbatia simulata Britton,, Bull. X. Y. Bot. Gard. 3: 448. 1905. 



Similar to S. campanulata but more slender than that species and with 

 smaller white flowers. Plant 4 dm. high or less, the upper leaves narrowly 

 linear, 1-3 cm. long, about 1 mm. wide, the lower spatulate, acute, 4 cm. long 

 or less, 2-5 mm. wide, the basal ones spatulate to orbicular; calyx-lobes nar- 

 rowly linear, less than 1 mm. wide, nearly as long as the corolla or shorter; 

 corolla 1-2 cm. broad, its segments oval, obtuse; capsule ovoid^ about 6 mm. 

 long, tipped by the short style; stigmas narrowly spatulate. 



Savannas, palmetto-lands and edges of brackish pools, Abaco, Andros, New 

 Providence, Eleuthera and Cat Island. Endemic. Referred by Mrs. Northrop and 

 by Coker to S. campanulata (L.) Torr., and listed by Dolley as 8. gracilis Salisb. 

 White Marsh Pink. 



4. LEIPHAIMOS Schl. & Cham. Linnaea 6: 387. 1831. 



Small saprophytic pale simple-stemmed herbs, without chlorophyll, the 

 stems white or yellowish, bearing opposite sessile scales or the lower scales 

 alternate, the flowers terminal, cymose or solitary. Calyx bracteolate at the 

 base, 4-5-toothed. Corolla salverform or funnelform, 4-5-lobed, small. Stamens 

 4 or 5, included ; filaments mostly short ; anthers introrse. Ovary 1-celled, with 

 2 parietal placentae; style one; stigma capitate or dilated. Capsule oblong or 

 linear, septicidally dehiscent at the middle. [Greek, pallid.] About 20 species, 

 mostly of tropical America, the following typical. 



1. Leiphaimos parasitica Schl. &■ Cham. Linnaea 6: 387. 1831. 



Voyria mexicana Griseb. Gen. et Spec. Gent. 208. 1838. 



Stem somewhat fleshy^ whitish, 1-4 dm. high, erect, slender, simple or 

 little-branched, bearing few opposite scales 3-5 mm. long. Calyx-lobes lanceo- 

 late, obtuse ; corolla whitish or yellowish, 6-8 mm. long, its triangular acute 

 lobes about one-fourth as long as the tube; capsule 5-6 mm. long. 



Floor of coppices in leaf mold. Abaco, Great Bahama, Andros, New Providence, 

 Eleuthera. Watling's, Crooked Island and North Caicos : — Florida ; Cuba ; Jamaica ; 

 Mexico. Leiphaimos. 



Family 4. MENYANTHACEAE G. Don. 



BucKBEAN Family. 



Perennial aquatic or marsh herbs, with basal or alternate leaves, and 

 clustered regular perfect flowers. Calyx inferior, deeply 5-parted, per- 

 sistent. Corolla 5-lobed or 5-eleft, the lobes induplicate-valvate, at least 

 in the bud. Stamens 5, borne on the corolla, and alternate with its lobes; 

 anther-sacs longitudinaly dehiscent; pollen-grains 3-angled. Ovary 1- 

 celled, the 2 placentae sometimes intruded. Fruit a capsule, or indehiseent. 

 Five genera and about 35 species, widely distributed. 



1. NYMPHOIDES Hill, Brit. Herbal 77. 1756. 



[LiMNAXTHEMUM S. G. Gmel. Nov. Act. Acad. Petrop. 14^: 527. 1769.] 



Aquatic herbs, with slender rootstocks. Leaves petioled, ovate or orbicular, 

 entire or repand, or the primary ones different; flowers yellow, or white, umbel- 

 late at the summit of filiform stems at the bases of the petioles, or axillary. 

 Calyx 5-parted. Corolla nearly rotate, deeply 5-cleft, the lobes induplicate- 



