PI ex, cm-. ^7. GENTIANS. 93. Erythalia. 337 



Root fusiforai, twisted; stem upright, branchy above; 

 leaves ovate, 3 -ribbed ; peduncles 1 or 2-flowered ; tuhe of 

 the corolla white, limb purple. 



i3. quadrifida. Corolla 4-cut. 

 Gentiana campestris, Walcot. Brit. Flor. 



y. prcecoxi Flowering in April or May. 



Gentiana fugax verna, seu praecox. Rail Syn. 275, 3. 



^. multiplicata. Flowers double ; lobes inflected. 



2. Erythalia campestris. Field erythalia* 



Calyx 4)-lobed ; 2 outer lobes larger, ovate, spearshape, 

 overlapping the other 2 ; edge of the lobes of the calyx 

 and of the leaves cartilaginous and minutely serrated. 



Gentiana pratensis, flore lanuginoso, Raii Syn. 275, I. 

 Gentiana campestris, Lin. S. P. 334. 

 Gentiana Amarella /S, Lamark Fl. Fr. 

 Genticina AmarellEi, Allioni Pedem. 353. 

 Erythalia campestris, Brockh. in Rcem. Arch. 1,26. 

 Hippion campestre, Schmidt in Roem. Arch. 1, 17. 

 Gentianella tetandra, Moench Meth. 482. 



Chalky pastures and hills by the sea ; ann. ; September. 

 Stem 9 in. high, rather branchy ; calyx appearing as if 

 enclosed in 2 bracteae. 



IV. 94. ERYTHR^A. Renealra. Centory^ 



Calyx 5-sided, 5-cut; corolla funnelshape; tube cylin- 

 drical; mouth denticulated; limb 5-cut; 5^awe/?5 5, equal, 

 exserted, declined ; anthers distinct, after the anthesis spi- 

 rally twisted ; style 1 ; stigma capitate, S-parted ; capsule 

 linear, \-ce\ledi.-— Flowers rose-coloured, in bundles, ter- 

 minal or axillary. 



1. Erythrcea vulgaris. Common centory. 



Stem long, forked ; leaves ovate^ oblong ; radical leaves 



crowded ; Jinwers sessile, panicled, girt at the base with 1 



or 2 scales ; calyx shorter than the tube. 



CentJ^urinm minus. Rail Syn, 287, 1. 



Centaurinm parvuni, Ger. em. 547, 1. 



Centaurium minus vulgare, Parfc. 272. 



Gentiana Centaurium, Lin. S. P. 332. 



Chironia Centaurium, Curtis Fl. Land. 



Centaurium vulgare, Rafinesque. 



Chironia pulchella, Salisb. Prodr. 3^4. 



Erythroea Centaurium, Pers. Syn. 1,283. 



Little centory. Small centory. Small purple centory. 



Dry pastures ; annual ; July and August 

 VOL. II. a 



