( 209 .) 
PINGUI'CUIA*. 
Linnean Class and Order. Dia'ndria f, Monogy'nia. 
Natural Order. Lentibula'rije, Richard. — Sm. Engl. FI. v. i. 
p. 27. — Lindl. Syn. p. 186. ; Introd. to Nat. Syst. of Bot. p. 226. — 
Rich, by Macgilliv. p. 432. — Loud. Hort. Brit, p.529. — Syringa- 
les; subord. Primulos,®; sect. Menthina: ; type, Utricula- 
ria'ce.e ; Burn. Outl. of Bot. v. ii. pp. 900, 958, & 976. — Lysi- 
machia5, sect. 3. Juss. Gen. PI. pp. 95 & 97. — Sm. Gram, of Bot. 
pp. 95 & 96. — Corydales, Linn. 
Gen. Char. Calyx (fig. 2.) inferior, small, ringent, permanent; 
Upper lip upright, 3-clelt ; lower reflexed, cloven. Corolla (fig. 1 .) 
of 1 petal, ringent, more or less equally 5-cleft in the border, with 
a spur from the base behind. Filaments (see fig. 3.) 2, cylindri- 
cal, crooked Anthers clasping close to the stigma. Germen (see 
fig. 2.) globose. Style very short. Stigma unequally 2-lipped. 
Capsule (fig. 4, to 7.) of 1 cell, opening at the top. Seeds (see 
figs. 6 & 9.) numerous, cylindrical, attached to a central uncon- 
nected receptacle (see figs. 7 & 8). 
The 5-cleft calyx ; the inferior, monopetalous, ringent, spurred 
corolla; the 2-lipped stigma ; and the 1 -celled capsule ; will dis- 
tinguish this from other genera in the same class and order. 
o o 
Three species British. 
' PINGUECULA VULGA'RIS. Common Butterwort. Yorkshire 
Sanicle. Butter-root. White-rot. 
Spec. Char. Spur cylindrical, sharp-pointed, as long as the 
veinless limb of the corolla, whose segments are very unequal, 
rounded, even, and all entire. Capsule egg-shaped. 
Engl. Bot. t. 70. — Hook. FI. Lond. t. 104. — Curt. Brit. Entoin. v. ii. t. 90. — 
Linn. Sp. PI. p. 25. — Huds. FI. Angl. (2nd ed.) p. 8. — Sm. F). Blit. v. i. p. 27 ; 
Engl. FI. v. i. p. 28. — With. (7th ed.) v. ii. p. 22. — Gray’s Nat. Arr. v. ii. p. 
317. — Lindl. Syn. p. 186. — Hook. Brit. FI. p. 8. — Lightf. FI. Scot. v. i. p. 76. — 
Sibth. FI. Oxon. p. 7. — Abb. FI. Bedf. p. 5.— Davies’ Welsh Bot. p.4. — Purt. 
Midi. FI. v. i. p. 55. and vol. iii. p. 336. — Relh. FI. Cantab. (3rd edit.) p. 11. — 
Hook. FI. Scot. p. 8. — Grev. FI. Edin. p. 5. — Johnst. FI. of Berw. v. i. p. 8. — 
Winch’s FI. of North, and Durham, p. 2. — Walk. FI. of Oxf. p. 6. — Perry’s PI. 
Varv. Select®, p. 3.— Mack. Catal. of PI. of Irel. p. 9. ; FI. Hibemica, pt. i. p. 
196. — Pinguicula Gesneri, Ray’s Syn. p. * 281. — Pinyuicula sive sanicula 
Eboracensis, Johnson’s Gerarde, p. 788. 
Localities. — I n bogs, and moist heaths; not uncommon, especially in the 
North. 
Perennial. — Flowers in May and June. 
Root of several, somewhat fleshy fibres. Stem none. Leaves 
radical, of a very light, yellowish-green colour, undivided, entire. 
Fig. 1. Corolla. — Fig. 2. Calyx, Germen, and Pistil.— F’ig. 3. A vertical 
section of the Corolla, showing the two stamens, with their curved filaments, 
their anthers clasping the style just beneath the lobe of the stigma. — Fig. 4. A 
Capsule. — Fig. 5. A transverse section ol the same. — Fig. 6. A vertical section 
of ditto, showing the central placenta with the seeds attached. — Fig. 7. The 
same with the seeds removed. — Fig. 8. The Placenta with the valve of the cap- 
sule removed. — Fig. 9. A Seed. 
* From pinguis,/at ; the leaves being thick and greasy to the touch. Hook, 
t See Veronica Chama'drys, folio 50, note t. 
