264 60. LENTIBULARIACE^. 



2-lipped. Stam. included, 4, didynamous, or 2. Capsule 

 dividing into 4 nuts.— G. F. G. Gam. ii. 50. 



1. Verbena Linn. Vervain. 



1. V. officinalis {Ij.); st. erect solitary 4-angular, 1. ovate-ob- 

 long trifid or laciniate-multifid rough, spikes filiform somewhat 

 panicled, stam. 4.—E.B. 767. St. 3.— St. rather hispid,- 1—2 feet 

 high. L. lobed and serrate. Spikes long, slender, with small 

 distant pale purple flowers. — Waste ground. P. VII. VIII. 



Order LX. LENTIBULAEIACEiE. 



Cal. permanent, inferior, divided. Cor. irregular, 2-Iipped, 

 spurred. Stam. 2. Ovary free, 1 -celled of 2 carpels. Stigma 

 2-lipped; lower lip smaller or obsolete. Caps. 1-celled; pla- 

 centa large, free, central. 



1. PiNGuicuLA. Cal. 2-lipped, lower of 1 bifid, upper of 3 

 segments. Cor. ringent, spurred. — G. F. G. Gam. i. 24. 



2. Utricularia. Cal. 2-leaved, lower often notched, upper 

 entire. Cor. personate, spurred. — G. F. G. Gam. i. 25. 



1 . Pinguicula Linn. Butterwort. 



1. P. vulgaris (L.); spur subulate shorter than the veinless 

 border of cor., cor .-segments very unequal oblong-obovate rounded 

 separated entire. — E. B. 70. — L. all radical, fleshy, covered with 

 minute crystalline points, pale green ; when the plant is gathered 

 they curve backwards so as to hide the root. Fl. purple. Caps, 

 ovate, acute. — Bogs. P. V. VI. 



2. P. grandiflora (Lam.); spur subulate cylindrical often 

 notched as long as veined border of cor., cor .-segments very un- 

 equal broadly obovate rounded contiguous "the middle one of the 

 lower Up notched." — E. B. 2184. — Much larger than P. vulgaris. 

 Fl. very large, deep purple. Caps, oval, rounded at the end. 

 Length of spur variable — Bogs. Kerry and Cork. P. V. VI. I. 



3. P. alpina (L.) ; spur conical shorter than unequal border of 

 cor. and curved towards lower lip, caps, acuminate, scape gla- 

 brous. — E. B. S. 2747. — Fl. small, yellowish; spur remarkably 

 short and conical. — Bogs. Skye. Black Isle, Ross. P. VI. S. 



4. P. lusitanica (L.) ; spur cylindrical obtuse decurved shorter 

 than the nearly equal limb of the cor., caps, globose, scape downy. 

 — E!. B. 145. — Fl. small, pale, yellowish, spur short and cylin- 

 drical. [P. villosa, distinguished from this by its acute spur and 



