472 



XCIV. LENTlBULARIE^ (STAPF). 



[ Utricularia: 



Corolla under 9 lin. long ; upper lip under 

 4 lin. long, more or less oblong, 

 rarely ovate. 

 Lower corolla-lip at least i as long as the 

 spur. 

 Corolla 6-8 lin. long; upper lip much 



exceeding the upper sepal . . 11. JJ. prehensilis. 



Corolla not over 4| lin. long ; tipper 

 lip not or only slightly exceeding 

 the upper sepal. 

 Spur about as long us the lower 

 corolla-lip. 

 Corolla yellow, up to 4 lin. long . 12. U. andongensis. 

 Corolla blue with a white paLte, 



up to 3 lin. long . . . 13. U. spiralis. 



Spur distinctly longer than the 

 lower corolla-lip. 

 Spur 2r, lin. long, suhsubulate . 14. U. Schweinfiirthii. 

 Spur liy lin. long, obliquely conic 



from a broad hase . . 15. U. tortilis. 



Lower corolla-lip less than ^ the length 



of the spur . . . . . 16. U. micropetala. 



JJ Scape with a solitary leaf at its base, springing 

 from a tuber. 

 Leaves up to 2 in. long; blade ligulate or 



spathulate, about as long as the petiole . 17. U. Mannii. 

 Leaves up to 1 in. long ; blade lanctolate or 

 linear above the middle, much longer 

 than the petiole ..... 18. U. bryopMla. 



f f Bracts produced below the point of attachment. 



Leaf-blades linear-lanceolate ; bracts orbicular- 

 ovate, attached near the middle; bracteoles 

 ; seeds smooth . . . . .19. JJ. suhulaia* 



Leaf-blades orbicular ; bracts ovate-lanceolate 

 to lanceolate, attached near the lase ; 

 bracteoles 2; seed glochidiate . . . 20. U. striatula. 



' Aquatic herbs, floating in still water or creeping on 

 mud, very rarely in running water and then 

 firmly attached ; leaves divided into 2 to very 

 many, more or less capillary segments. 

 Attached by means of adhesive claw-shaped 

 rlvizoids, destitute of bladders ; seeds 

 mucilaginous ...... 21. JJ. rigida. 



Floating or creeping on mud ; seetls never 



mucilaginous, 

 f Iuflorescence held above water by a whorl of 

 floats. 

 Upper corolla-lip ent're ; stolons and leaf- 

 rays glabrous or sparingly bispidulous 

 near the tips; leaves usually auricled. 

 Leaf-auricles large, hyaline, denticulate 

 or more or less divided into hyaline 

 Ucinise ; capsule quite enveloped by 

 trie much enlarged, closed and 

 cuneately decurrent calyx. 



