508 Ordkb 80.— PLUMBAGINACE^E. 



TRIBES AND GENERA. 



I. STATICE^E. Styles distinct, at least above. Utricle not valvate. (a) 



a Stigmas capitate. Style connated at base. Lvs. acerous. Scape terete... Acantholomoh. 8 

 a Stigraas capitate. Styles distinct at base. Leaves flat. Scape 3-angled... .Goniolomoh. 4 



a Stigmas filiform. — Styles glabrous. Scape branching Statiob. 1 



— Styles plumous. Scape capitato A kmeiua. I 



II. PLUMB AGE M. Styles united to the apex. Pericarp subvalvate. (b) 



b Corolla hypocrateriform. Calyx not enlarged in fruit Plumbago. 8 



i. STATICE, L. Marsh Rosemary. (Gr. crari^u), to stop ; be- 

 cause used medicinally it stops diarrhoea, says Pliny.) Calyx funnel- 

 form, limb scarious, 5-nervcd, 5-parted ; petals scarcely united at base ; 

 filaments 5, adnate to the very base of the corolla ; ovary crowned with 

 the 5 glabrous, filiform styles, utricle regularly or irregularly circum- 

 ecissile. — H Herbs with the scape branching the flowers 3-bracted, ses- 

 sile on the 3-bracted branch! et. 



S. Limonum L. Very smooth ; lvs. oblong-elliptical or oblaneeolatc, acute, 

 tipped with a bristle, tapering to a long petiole ; scapes terete, fistulous, bracted, 

 paniculate; spikelets 1-flowered (rarely 2), involucrate with 3 bractlets, remotely 

 secund on the branchlets ; cal. lobes very acute. — Salt marshes along the coast, 

 from Newfoundland to S. Car. Scape 6 to 12' high. Lvs. 1' to 18" long, tho 

 petioles rather longer. The root is large, ligneous, strongly astringent, much 

 valued in medicine. Jl. — Oct. (8. Carolinianum Walt.) — Differs from tho Eu- 

 ropean varieties which have mostly 2 to 3-flowerod spikelets, moro close on tho 

 branchlets, cal. lobes scarcely acute, &c. 



2. ARME'RIA, Wilkl. Thrift. Flowers collected in a dense head; 

 involucre 3 to many-leaved ; calyx tubular-campanulate, 5-angled, with 

 5 shallow lobes, scarious and plaited ; petals, stamens, &c, as in Statice. — 

 U Lvs. radical, mostly linear. Scape simple, appendaged above. 



A. vulgaris Willd. Scapo terete, smooth ; lvs. linear, fiat, obtuse ; outer bracts 

 of tho invoL ovate-acute, shorter than the sheathing appendage at their base. — A 

 neat and elegant plant, native near tho sea-coast, Brit. Am. (Hook.) Often 

 cultivated. Lvs. 3 to 4' by 2 to 3", numerous, crowded. Scape about If high, 

 bearing a singular sheath at top, formed according to Lindley by tho adherent 

 bases of iavolncral lvs. Fls. rose-colored. Jn. — Aug. 



2 A. latifoiia Willd. Scapo solitary, tall ; lvs. very broad, oblong, 5 to 7- 

 veined ; lis. (rose-red) in a large head from a long sheath ; bracts scarious, th« 

 outor oblong-lanceolate, acuminate-cuspidate. — f Portugal. 



3. PLUMBA^GO, Tourn. Leadwort. (Lat. plumbum (lead), a dis- 

 ease of the eyes, which it was reputed to cure. Pliny!) Calyx herba- 

 ceous, glandular, 5-lobed, not enlarged after flowering ; corolla salver- 

 form, tube longer than calyx, limb twisted in aestivation ; anthers 5, 

 linear; style 1, stigmas 5, filiform; utricle membranous, mucronate with 

 the persistent style. — Herbs or shrubs. Fls. cyanic, numerous through 

 the season. 



1 P. Cap6nsis Thunb. St. shrubby, scarcely climbing; lvs. oblong entire, 

 glaucous-tubercular beneath, petiolate ; fls. in short, dense, terminal spikes, pale 

 blue. — f Cape of Good Hope. Very pretty. Southward it is hardy. 



2 P. caerulia Kunth. St herbaceous, erect; lvs. ovate-oblong, acuminate, 

 petiole winged and auriculate at base; fls. iu terminal, looso spikes, blue. — If -f 

 Peru and Chili. 



4 GONIOLOMON specidsum Boies. (Statice specioea L.), with whit* 

 fls., 3 or 4 in each spikelet. 



Or. Tartaricum Boiss (S. Tartarica L.), with pink fls., 1 or 2 in a spikelet, 

 both from Russia, are occasionally cultivated. Also 



