CENTUXCUUJS.] PRIMULACEsE. 303 



shortly petioled, ovate or ovate-lanceolate. Flowers numerous, white or 

 pink, Sepals lanceolate, longer than the erect usually 4-lobed corolla. 

 filaments naked. Capsule mucronate. Seeds 3-gonous, testa areolate. 

 DISTRIB. Europe, excl. Greece and Turkey, Azores, Siberia, Andes, Brazil. 



6. ANAGAL'liIS, Tournef. PIMPERNEL. 



Slender annual or perennial herbs. Leaves opposite, quite entire. 

 Flowers on axillary 1 -flowered peduncles, ebracteate, red or blue rarely 

 white. Calyx 5-partite. Corolla rotate or funnel-shaped, 5-partite. 

 Stamens 5, on the base of the corolla-tube ; filaments filiform villous free 

 or connate below. Ovary globose ; style simple, stigma obtuse ; ovules 

 many, amphitropous. Capsule globose, bursting transversely, many-seeded. 

 Seeds plano-convex, peltate. DISTRIB. Europe, temp. Asia, N. Africa, 

 S. America ; species 6-8. ETYM. The Greek name. 



1. A. arven'sis, L. ; annual, erect or procumbent, leaves sessile ovate 

 or lanceolate dotted beneath, sepals almost equalling the rotate corolla. 

 Poor Man's Weather-glass. 



Fields and waste places, from Moray and Banff southwards ; a colonist in 

 Scotland, Wuison; fl. May-Get. Glabrous, glandular-dotted. Stem 6-18 iu., 

 branched from the base, 4 -angled ; branches ascending. Leaves ^-1^ in., 

 rarely in whorls of 3-4, sometimes cordate, acute. Peduncles 1-2 in., 

 slender, erect in flower, decurved in fruit. Sepals narrow - lanceolate, 



i acuminate. Corolla ^-^ in. diam., opening in clear weather, lobes often 

 ciliate. Capsule size of a small pea. Seeds 3-gonous. DISTRIB. Europe, N. 

 Africa, Siberia, W. Asia to the Himalaya ; introd. in America. 



VAR. 1, jj/ioeniJea, Lamk. (sp.); corolla scarlet rarely pink, or white with a 

 purple eye (var. paliida), lobes usually glandular-ciliate.- -VAR. 2, cceru'lea, 

 Lamk. (sp. ) ; more erect, corolla bright blue, lobes rarely ciliate. Rare. 



2. A. tenel'la, L. ; perennial, creeping, leaves shortly petioled broadly 

 ovate or orbicular not dotted, sepals much shorter than the funnel-shaped 

 corolla. Bog Pimpernel. 



Marshes and wet meadows, especially in the W. of Great Britain, and in 

 Ireland ; fl. July- Aug. Glabrous, rather succulent. Stems 3-4 in., 4-angled. 

 Leaves -| in., bifarious, opposite or subopposite. Peduncles 1-2 in., rather 

 stout. Sepals linear-subulate. Corolla ^ in. diam., rosy with dark veins. 

 Filaments united at the base. Capsule very small. Seeds as in A . arvensis. 

 DISTRIB. Europe from Belgium southwards, except Russia, E. Siberia, 

 N. Africa, temp. S. America ? 



7. HOTTO'NIA, L, WATER-TIOLET, 



Floating herbs. Leaves submerged, whorled, pectinate and multifid. 

 Flowers racemose, white or lilac, pedicels whorled. Calyx 5-partite. 

 Corolla salver-shaped ; throat thickened ; limb 5-partite, fringed at the 

 base. Stamens 5, included. Ovary globose; style filiform-, persistent, 

 stigma obtuse ; ovules many, anatropous. Capsule 5-valved ; valves 

 c.ohoring at the top, many-seeded. Seeds angled, hilum basilar: DISTRIB. 

 Kuropc, N. America; species 2. ETYM. Pierre Hotton, an early Leyden 

 professor of botany. 



1. H. palus'tris, L. ; sepals subacute, equalling the corolla-tube. 



