544 LENTlBULAKIACEiK utricdlaria 



PINGUICCLA 



scapes slender 2-7 inches high, racemosely 1-10-flowered : corolla pale 

 yellow, 2-3 lines broad, ringent, t|ie upper lip smaller than the lower; spur 

 usually reduced to a brc^d blunt' protuberance, shorter than the lips. In 

 shallow ponds an^ ^^b> ^I'i'''- Columbia to California and across the 

 Continent: also Europe^ 



U. in]|;ermedia Hayne in Schrad. Journ. Bot. i, 18. Stems floating 

 2-6 inches long : leaves 3-6 lines long, more or less scattered, 2-rankedi 

 repeatedly dichotomous, the 'segments linear, flat, the margins bristly- 

 ciliate : bladders with rare exceptions borne on leafless branches : scapes 

 capillary, 2-10 inches high, ndked, or with a few scales, 1-5-flowered: 

 corolla 6 lines broad, its Iqjver lip broad with a large palate and exceeding 

 the upper one : spur conic, Subacute, nearly as long as the lip, to which it U 

 appressed. In shallow water, prit. Columbia to California and across the 

 continent : also in Europe. ^ ^ 



2 PINGUICULA L. Sp. 17. 



Acaulescfnt herbs with fibrous roots, entire rosulale-tufted 

 leaves, the upper surface covered with a viscid secretion to which 

 insects adhere and are capjiured by the involution of the sensitive 

 margins, and naked one-tjpwered scapes. Calyx 4-5-parted, or 

 bilabiate, the upper lip 2-parted, the lower 3- parted. Corolla hi-, 

 labiate, the upper lip ;2-cleftj the lower 3-cleft ; the base produced 

 into a nectariferous spur. Capsule 2-valved, or 4-valved. Seeds 

 oblong, wrinkled or reticulsited, 



P. vulgaris L. Sp. 17. Scapes glabrous or minutely puberulent, 2-6 

 inches high, recurved at the apex and bearing a single large blue flower : 

 leaves 3-7 in a rosette at the base of the scape, greasy to the touch on the 

 upper side, ovate to lanceolate, obtuse, 1-2 inches long, short-petioled or 

 sessile : corolla 3-6 lines broad when expanded, bilabiate, the u^per lip 

 2-lobed, the lower 3-lobed, larger, the tube gradually contracted into an 

 acute or obtuse nearly straight spur 2-4 lines long: capsule globose-ovoid, 

 longer than the calyx. On wet rocks, i southern Oregon to Alaska and 

 across the Continent : also Europe and Asia. 



Order LXXI LABIATE B. Juss. Hort. Trian. 1759. 



Herbs shrubs or rarely trees, mostly aromatic, usually with 

 square stems, simple opposite leaves without stipules and rather 

 small perfect flowers usually clustered in the axils of the upper 

 leaves or bracts. Calyx 3-5-cleft, 3-5-toothed or bilabiate, 



{)ersistent. Corolla bilabiate; upper lip 2-Iobed or entire, the 

 ower 3-cleft or 3-parted, or rarely as if 4 lobes in the upper 

 and one in the lower lip. Stamens mostly 4 and didynamous, 

 rarely equal, sometimes only two with or without staminoidea; 

 filaments distinct, mostly slender, alternate with the lobes of 

 the corolla. Anthers introrse, 2-celled or confluently 1-celled, 

 or sometimes of a single cell. Ovary 4-lobed or 4-parted, su- 

 perior, each lobe or division with 1, mostly anatropous, ovule. 

 Style arising from the centre of the lobed or parted ovary, 

 filiform, 2-cleft at the apex, often unequally so, or one of the 

 cells obsolete : stigma minute, usually 2-robea. Fruit 6i 4 one- 

 aeeded nutlets. Seeds erect from the base of the nutlet.mostly 



