47 FLORA. 



Family i. SARRACENIACEAE La Pyl. 



Pitcher- Plant Family. 



Marsh herbs, with tubular or pitcher-shaped leaves, and large scapose 

 nodding flowers. Sepals 4 or 5, hypogynous, imbricated, persistent. 

 Petals 5, imbricated, hypogynous, deciduous or none. Stamens oo; 

 anthers versatile. Ovary i, 3~5-celied ; ovules oo, in many rows. Cap- 

 sule 3-5-celled, loculicidally dehiscent ; style terminal, peltate, lobed. or 

 in one genus simple. Seeds small, the testa reticulated ; embryo small ; 

 endosperm fleshy. Three genera and about 10 species, all natives of 

 America. 



i. SARRACENIA L. 



Leaves hollow, with a lateral wing and a terminal lid or lamina. Sepals 5, 

 with 3 or 4 bracts at the base. Petals ovate or oblong. Ovary 5 -celled. Style 

 dilated into a peltate umbrella-like structure with 5 rays which terminate under its 

 angles in hooked stigmas. Capsule 5 -celled, granular, rugose. Seeds anatro- 

 pous. [Named in honor of Dr. Jean Antoine Sarracin, a botanist of Quebec.] 

 About 8 species, natives of N. Am. 



Leaves pitcher-shaped, curved ; flower purple or greenish (rarely yellow). 



i. S. purpurea. 

 Leaves tubular-trumpet-shaped ; flower yellow. 2. S. flava. 



1. Sarracenia purpurea L. PITCHER-PLANT. SIDE-SADDLE FLOWER. (I. F. f. 

 1801.) Glabrous, except the inner side of the lamina and inner surface of the 

 pitchers, which are clothed with reflexed hairs. Leaves tufted, ascending, 1-3 dm. 

 long, inflated, narrowed into a petiole, broadly winged, persistent; scapes 3-6 dm. 

 high, bearing a nodding nearly globose flower 5 cm. in diameter or more: petals 

 obovate, narrowed in the middle, incurved over the style. In peat-bogs. Lab. to 

 the Canadian Rocky Mts., Fla., Ky. and Minn. May-June. 



Sarracenia purpurea heterophylla (Eaton) Torr. Flowers yellow ; leaves slightly or 

 not at all purple-veined, light green or yellowish. Mass, and N. Y. to N. J. 



2. Sarracenia flava L. TRUMPETS. TRUMPET-LEAF. (I. F. f. 1802.) Gla- 

 brous throughout. Leaves trumpet-shaped, 3-9 dm. long, 2-5 cm. wide at the 

 orifice, narrowly winged, prominently ribbed, the lid 2-10 cm. wide, erect, con- 

 tracted at the base; scape 3-6 dm. high, slender; flower 5-8 cm. broad; petals 

 oblanceolate or obovate, drooping, slightly contracted at the middle. In bogs, Va. 

 to Fla. and La. April. 



Family 2. DROSERACEAE S. F. Gray. 

 Sundew Family. 



Perennial or biennial glandular-pubescent herbs, exuding a viscid se- 

 cretion, mostly with basal leaves, circinate in the bud, and fugacious per- 

 fect flowers, racemose in our species. Calyx persistent, 4-8-parted or 

 the sepals distinct and imbricated. Petals 5, hypogynous, convolute, 

 marcescent, distinct or slightly united at the base. Stamens 4-20; fila- 

 ments subulate or filiform ; anthers usually versatile. Disk none. 

 Ovary free, or its base adnate to the calyx, i-3-celled ; styles 1-5, simple, 

 2-cleft or multifid ; ovules numerous. 'Capsule i-5-celled, loculicidally 

 dehiscent. Endosperm fleshy; embryo straight, cylindric. Six genera 

 and about 125 species, of wide geographic distribution. 



i. DROSERA L. 



Bog herbs, with leaves clothed with glandular hairs which secrete a fluid that 

 entraps insects, and scapose racemose flowers. Calyx-tube short, free from the 

 ovary, deeply 4-8-parted (commonly 5 -parted). Petals usually 5, spatulate. 

 Stamens as many as the petals: anthers short, extrorse. Ovary I -celled; styles 

 2-5, usually 3. distinct or united at the base, often 2-parted so as to appear twice 



