390 LXXXVI. LENTIBULACEiE. Pinguicula. 



Properties —The root of Statice Limonium is one of the best and most powerful of all astringents. 

 The species of Plumbago are acrid and escharotic, so much so, that the roots of P. Europaeus are said oy 

 Lijidley to be employed in Europe by beggars, to raise blisters on the face, in order to excite compassion. 



Genera. 



Inflorescence an involucrate head ^i^IY'" \ 



Inflorescence a panicle of racemes aiaivx. -t 



1. ARMERIA. Willd. 

 Flowers collected in a dense head ; invol. 3 — many-leayed ; cal. 

 cubular-campanulate, 5-angledj with 5 shallow lobes, carious and 

 plaited ; petals 5, almost distinct : sta. 5, inserted on the base of the 

 petals ; styles 5, distinct ; fr. indehiscent, invested with the calyx. — 

 % Lvs. radical^ mostly linear. Scape si??ipk, appeiidaged above. 



A. VULGARIS. Willd. (Statice Armeria. Linn.) Thrift. 



Scape terete, smooth, hs. linear, flat, obtuse; outer bracts of the invol. ovate, 

 acute, shorter than the sheathing appendage at their base. — A neat and elegant 

 plant, native near the sea-coast, Brit. Am. Hook, N. Eng. 1 Middle and South- 

 ern States. Often cultivated. Leaves 3—4' by 2—3", numerous, crowded. 

 Scape about If high, bearing a singular sheath at top; formed, according to 

 Lindley, by the adherent bases of the involucral leaves. Involucre about 3- 

 leaved. Flowers showy, rose-colored. Jn. — Aug. f 



2. STAT Ice. 



Gr. araTi^oi, to stop ; for, used medicinally, it stops the dianhcea, says Pliny. 



Flowers scattered in a paniculate or spicate inflorescence, otherwise 

 essentially the same as in Armeria. — % Lvs. radical or cauline. dilated, 

 mostly entire. Invol. 0. 



1. S. Limonium. (S. Carolinianum. Walt.) Marsh Rosemary. 



Scape terete, paniculate; lvs. all radical, ovate-lanceolate, undulate, 

 smooth, obtuse, mucronate below the tip.— Salt marshes, R. 1. Olmy I to Md. ! 

 and Car. Scape about a foot high, with several lanceolate, clasping bracts, 

 and supporting at top a broad, branching panicle composed of close, secund 

 spikes of sessile, blue flowers. Petals obovate, unguiculate, bearing the sta- 

 mens on their claws. Leaves narrow, lanceolate, broader in the upper half, 

 smooth, veinless, on long petioles. The root is large, ligneous, strongly astrin- 

 gent, much valued in medicine. Aug. — Oct. 



Order LXXXVI. LENTIBULACEiE.— Butterworts. 



Plants herbaceous, aquatic. Lvs. radical, undivided, or compoimd, root-like and bearing vesicles of air. 



Scapes generally simple, naked or with bracts, with few or many showy flowers. 



Cal. interior, of 2 or 5 sepals united or distinct at base. 



Cor. irregular, bilabiate, personate, spurred. 



Sta. 2, included within the corolla and inserted on its upper bp. Anth. 1-celIed. 



Ova. l-celled, \dth a free, central placenta. Style 1. Stigma cleft. 



Fr. — Capsule many-seeded. Sds. minute ; embrj'o none. 



Genera 4, species 175, natives of swamps, pools and ri\Tilets, diffused throughout nearly all countries. 

 Properties unimportant. 



Genera. 



Calyx 4— 5-cleft, capsule 5-celled Pinguicula 1. 



Calyx 2-parted, subequal. Capsule l-celled Utriculana 2. 



1. PINGUICULA. 



Lat. pinguis, fat ; from the greasy appearance of the leaves. 



Calyx bilabiate, upper lip trifid, lower bifid ; cor. bilabiate or rare- 

 ly subregular, upper lip bifid or 2-parted, lower trifid or 3-parted, spur- 

 red at base beneath ; sta. 2, very short ; stig. sessile, 2-lobed ; caps, 

 erect ; seeds 00. — % In wet places. Lvs. radical, rosulate, entire. 

 Scapes \ -flowered, noddi7ig. 



P. VULGARIS. Butterwort. 



Lvs. ovate or elliptic, obtuse, unctious-puberulent above ; scape and cal. 

 subpubescent ; cor. lips very unequal, lobes obtuse; sp^Lr cylindrical, shorter 



