Genus 5. 



WATER PLANTAIN FAMILY. 



•99 



Filaments much longer than the anthers ; achene with 5-7 tuberculate or prominently 

 toothed crests. 17. 5. lorata. 



i. Sagittaria longirostra (Micheli) J. 



G. Smith. Long-beaked Arrow-head. 



Fig. 231. 



Sagittaria sagittaefolia var. longirostra Micheli 



in DC. Monog. Phan. 3: 69. 1881. 

 Sagittaria longirostra J. G. Smith, Mem. Torr. 



Club, 5 : 26. 1894. 



Monoecious, glabrous, scapes erect, rather 

 stout, il°-3° tall. Leaves hastate or sagittate, 

 4'-i2' long, abruptly acute at the apex, the 

 basal lobes ovate or ovate-lanceolate or linear, 

 acute, one-third to one-half the length of the 

 blade; scape usually longer than the leaves, 

 6-angled below; bracts triangular-lanceolate, 

 acuminate, 7"-is" long, longer than the fertile 

 pedicels ; petals 8"-i4" long ; filaments gla- 

 brous; styles curved, twice as long as the 

 ovaries; achene obovate, about 2" long,. winged 

 on both margins, the ventral margin entire or 

 undulate, the dorsal eroded, its sides with a 

 short crest, its beak stout, erect or recurved. 



In swamps and along ponds, New Jersey and 

 Pennsylvania to Florida and Alabama. July-Sept. 



2. Sagittaria Engelmanniana J. G. Smith, 

 gelmann's Arrow-head. Fig. 232. 



Saggittaria variabilis var. ( ?) gracilis S. Wats, in A. Gray, 

 Man. Ed. 6, 555. 1889. Not Engelm. 



Sagittaria Engelmanniana J. G. Smith, Mem. Torr. Club, 5 : 

 25. 1894. 



Monoecious, glabrous, scape erect or ascending, slender, 

 8'-2o' high. Leaves narrow, ii'-8' long, i"-4" wide, acute 

 or obtuse at the apex, the basal lobes narrowly linear, 

 acuminate, one-third to one-half the length of the blade; 

 scape striate, about as long as the leaves ; bracts lanceo- 

 late, acute, shorter than the slender fertile pedicels, 4"-6" 

 long; flowers y"-i2" broad; filaments glabrous; style about 

 twice as long as the ovary ; achene cuneate, 2" long, winged 

 on both margins and with 1-3 lateral wing-like crests on 

 each face, the beak stout, erect, about \" long. 



In shallow water, Massachusetts, Connecticut and Rhode 

 Island. Arrow-leaf. Aug.-Sept. 



3. Sagittaria cuneata Sheldon. Arum-leaved 

 Arrow-head. Fig. 233. 



Sagittaria cuneata Sheldon, Bull. Torrey Club 20 : 283. 



1893. 

 Sagittaria arifolia Nutt. ; J. G. Smith, Rep. Mo. Bot. Gard. 



6: 32. 1894. 

 Sagittaria arifolia stricta J. G. Smith, Rep. Mo. Bot. Gard. 



6: 34. 1894. 



Glabrous or nearly so, terrestrial or submerged, scape 

 weak, ascending or floating, §°-2° long. Leaves sagit- 

 tate, linear-lanceolate to ovate, ii'-6f long, acute or 

 acuminate, long-petioled ; phyllodia, when present, of 

 two kinds, the one petiole-like and about as long as the 

 leaves, the other lanceolate and clustered at the base of 

 the plant; bracts lanceolate or linear-lanceolate, or 

 rarely ovate-lanceolate; flowers 6"-i2" broad; achene 

 cuneate-obovate, i"-ij" long, the beak minute, erect 

 over the ventral wing. 



In mud or water,- Nova" Scotia and Maine to Quebec, 

 British Columbia, Connecticut, Kansas, New Mexico and 

 California'. July-Sept,'" In the ' first ■ edition ' both figures 

 196 and 197 and the descriptions "apply to this species. 



