DIANDRIA— MONOGYNIA. Lemna. 31 



3. U. minor. Lesser Bladderwort. 



Spur short, obtuse, keeled, deflexed. Cluster of few flowers. 

 Corolla gaping ; palate nearly flat ; lips undivided, 



U. minor. Linn. Sp. PL 26. mild. v. 1 , U2. Vahl Emim. v. 1. 



1 99. Fl. Br. 28. Engl. Bot. v. 4. t. 254. Hook. Scot. 9. Fl. 



Dan. t. 1 28. Schmid. Ic. 79. t.2\.f.l—[\. Schrad. Germ, 



V. 1. 56. Efirh. Herb. n. 62. Beitr. v. 5. 177. 

 Lentibularia minor. Rail Syn. ^286. 

 Millefolium palustre, galericulatum, minus. Pluk. Plnjt. t. 99. f. 6. 



very bad. 

 Aparine aquis innatans Terevisana, foliis Percepier, capreolis do- 



nata. Bocc. Mus. 23. t.4, no flowers. 



In ditchesj on spongy bogs, but rare. 



Perennial. July. 



Still smaller than the last. Bladders more numerous, many of 

 them, if not all, attached to the leaves. Fl. about half as large 

 as U. intermedia, pale yellow, streaked -, palate not closing the 

 mouth. 



12. LEMNA. Duck- weed. 



Linn. Gen. 478. Fl. Br, 956. Lam. t. 747. Sm. in Rees's 



Cycl. V. 20. Hook. Lond. t. 119. 

 Lenticula. Juss. \9. Mich. Gen. ]5. t. \\. Dill. Gen. US. t. 6. 



Nat. Ord. Miscellanece, Linn. 54. Naiades, Juss. 6. Near 

 Hydrocharidece. Br. Pr. 344. Ai^oidece; sect. 2, Pistia- 

 cece. Richard. Hook. Scot. 191. 



Cal. of 1 leaf, membranous, torn, evanescent. Cor. none. 

 Slam, lateral^ thread-shaped, longer than the calyx, un- 

 equal ; each anther a pair of globes, splitting at the top. 

 Germ, superior, ovate, keeled at one side next the stam. 

 Style columnar, shorter than the stamens. Stigma ob- 

 tuse. Caps, not valvular, of 1 cell. Seed 1, oval, trans- 

 verse. 



An aquatic genus, now well explained by Prof Hooker, 

 who, like Mr. Brown, considers it as a reduced or sim- 

 plified Aroidea, next akin to Pistia. 



Herb floating, consisting of a simple, flattish, highly vascu- 

 lar, smooth, sometimes laterally proliferous,y;o;i^/ *, with 



• I submit to the use of this terra, as necessary in thfs instance and a very 

 few others, though the plants ate not cryptogamic. See from in Introd. to 

 Botany, and Grammar. 



