PINGUICULA.] LENTIBULARINE^E. 297 



the upper ; segments broad, obtuse ; spur straight or incurved, variable in 

 length. Capsule ovoid or subglobose. DISTRIB. Europe (Arctic), N. Asia, 

 E. and W. N. America. Leaves used to curdle milk in Lapland. 



Sub-sp. VULGA'RIS proper ; calyx-lobes more ovate sometimes ' subacute, 

 corolla | in., lobes of lower lip not overlapping, spur entire at the tip, 

 capsule ovoid subacute. 



Sub-sp. GRANDIFLO'BA, Lamk. (sp.) ; larger, leaves broader, calyx-lobes 

 more oblong rounded at the tip, corolla 1 in. , lobes of lower lip very broad 

 overlapping, spur often 2-fld at the tip, capsule subglobose. Bogs, Cork 

 and Kerry ; abundant but introduced in a bog near Penzance. DISTRIB. 

 W. of France, Alps and Pyrenees, Spain and Portugal. Apparently a 

 sub-species ; the Irish is an extreme form ; Alpine and Pyrenean inter- 

 mediates are numerous. 



2. P. lusitan'ica, L. ; calyx-lobes suborbicular, corolla lilac, lips 

 nearly equal, throat yellow, spur short stout conical incurved. 

 Bogs, in the S.W. of England, local, from Hampshire to Cornwall; W. of 

 Scotland and Ireland, common ; ascending to 1,500 ft. in Mayo ; fl. June- 

 Oct. Glabrous. Leaves ^- in., oblong, shortly petioled, thin, succulent, 

 obtuse, margins incurved. Scapes very slender. Corolla ^ in. ; lips nearly 



>.ile 



equal in length, lobes short broad ; spur very broad, ot 

 globose. DISTRIB. W. of France, Spain, Portugal. 



3. P. alpi'na, L. ; calyx-lobes broadly ovate obtuse, corolla white, lips 



unequal, throat yellow, spur very short conical. 



Bogs, I. of Skye, and Rosehaugh in Ross-shire ; fl. May- June. Similar to P. 

 lusitanica, but larger, scapes shorter ; corolla ^ in., throat hairy ; lower 

 lip longer than the upper ; spur broader and more obtuse ; capsule ovoid, 

 acute. DISTRIB. Europe (Arctic) N. of the Alps, N. Asia, Himalaya Mts., 

 Greenland, Fuegia. 



2. UTRICULA'RIA, L. 



Aquatic, often floating or terrestrial slender herbs. Leaves (of Brit, species) 

 floating, multifid ; segments very slender, furnished with floating bladders. 

 Flowers solitary spiked or racemed, naked or bracteate. Calyx 2-partite, 

 lobes subequal. Corolla personate. Stamens inserted on the upper lip of 

 the corolla, filaments incurved ; anthers subterminal, coherent, simple or 

 constricted in the middle. Ovary short. Capsule, globose, bursting irre- 

 gularly. Seeds oblong or peltate, striate, pitted or covered with capitate 

 or glodiidiate hairs. DISTIUB. Widely dispersed; species 120. ETYM. 

 utriculus, from the bladder-like floats. 



1. U. vulga'ris, L. ; leaves spreading pinnately multifid, bladders 



on the young leaves, spur conic acute half as long as the lip. 



Pools and ditches, rather scarce, ascends to 1,500 ft. in the Highlands ; fl. 



July- Aug. Stems 6-18 in., stout, leafy. Leaves f-1 in., broadly ovate in 



outline ; segments subulate, very slender, remotely toothed ; bladders 



^-^ in., shortly stalked. Scape 4-8 in., very stout, 4-8-flowered ; pedicels 



much longer than the calyx. Corolla % in., yellow; palate prominent ; spur 



appressed to the under lip. Anthers cohering. DISTRIB. Europe, N. Africa, 



Siberia, N. America. 



Sub-sp. VULGA'RIS proper ; pedicels 2-3 times as long as the calyx reflexed 



