PENTANDRIA. MONOGYKIA. 139 



the persistent calix, 4-celIed, 4-seedeiI, 2 of the 

 cells sometimes abortive. 



Erect shrubs; flowers small, conglomerate and axillary^ 

 or in siiort terminal, racemes, smooth or internally pube- 

 scent as in Mitchella. 



Species- 1. ^S*. fflomerata. {Lonicera Symphoncarpos. 

 Willd. Spec. Plant. 1. p. 989.) Partial racemes axillary, 

 crowded, imbricated in four ranks; flowers cylindric- 

 campanulate, bractea 3-leaved.— Flowers greenish-red; 

 berries bluish-purple. From Virginia to Florida; in 

 Tennessee and up the Missouri to its sources. Com- 

 mon. 2. racemosa. Berries large, opaque, and white. — 

 In Upper Canada, not far from Queenston on the Xiagara 

 river; near the outlet of Lake Huron, and on the banks 

 of the Missouri. Not rare. This genus is confined to 

 North America. Allied to Mitchella? 



215. DIERVILLA. Tournefort Juss. 



Calix oblong, 5-cleft, bracteate at the base. 

 Corolla double the len.i^th of calix, funnelform, 

 5-cleft, spreading. Stigma capitate. Capsule 

 oblong, naked, acute, 4-celled, many-seeded. 

 Seeds minute. 



A shrub with entire serrated leaves; peduncles axillary 

 and terminal, dichotomous, mostly 3-flowered; flowers 

 yellow- 



Species. 1. J)- Toitmeforti. The only species of the 

 genus* and exclusively indigenous. 



£16. TRIOSTEUM. L. (Fever-wort) 



Calix 5-cleft, persistent, nearly the length of 

 the corolla; segments linear, acute. Corolla 

 tubulous, 5-lobed, subequal, base nectariferous, 

 gibbous. Stigma somewhat 5-lobed, capitate^ 

 Beinj 3-celled, S-seeded, crowned with the caliXo 



Herbaceous; stem simple; leaves opposite, entire, most- 

 ly connate; flowers axillary, sessile, usually by threes, 

 rarely solitary, calix bibracteate. 



Species. 1. T. perfoliatum. Leaves undulated on the 

 margin and hirsute above. Calix, corolla and younger 

 Stems, viscQsely-pubescent. 2. angustifoUum.'^ThiQ genus 



