MKNYANTIIE.S. 22.'i 



Gentiana Andrewsii CJrisebuclj. — Closed Gentian. 



Ifcticriplion. -Ciih'K .l-piirtcd, llic loln-s i>viito, rcciirvotl, Kliortor tliim 

 ilic tiil)('. ('oi'ollu intlatcd club-slmixMl, dosed iit the nioutli, tlu! broiid, 

 short, rounded lolxs reiiminiiifj; in iippositiou und coneeiilin}^ tin; intoriiu!- 

 (liiite friufjfed appondiij^'es. Authera connivcut. Pud at length projecting 

 from the iJorsiHtent corolla. 



Stem creet, Hinooth, simple or sparingly hranflicd, 1 to 2 feet high. 

 Leaves ovate-lanceolato, acute, narnnved at the base. Flowers in terminal 

 aud axillary clusters ; corolla 1 to l.\ inch long, pale blue, sometimes white. 



Halnlal. — Iii rich moist situations ; the most common spocics north- 

 ward. 



Gentiana puberula ^riclmux {(1. Catrsfxf/ Elliott). — Illun Gentian. 



Dcxcripdon. — Caly.x 5-parted, the lobes lanceolate, about as long as the 

 t\ibe. Corolla large, open, thv' lobes ovate, spreading, 2 to 4 tunes as long 

 as the eut-toothed appendages. Anthers connivent. 



Stem erect or ascending, 1 to l.V foot high, rough or slightly pubes- 

 cent. Leaves lanceolate or linear-LuK^eolate, rough-margined. Flowers 

 in axillary and terminal clusters ; corolla bright blue, lined with yellow and 

 deeper 1)lue. 



Uuhitat. — Dry ijraiiics and barrens from Ohio to Wisconsin and south- 

 ward. 



Part Vi^fd. — Tlie root — not official. That of the last described species 

 was formerly official, but was dropped from the Pharmacopona in IHHO. 



ConslifucntK. — Nothing of a positive nature is known of the chemical 

 constituents of these i)lants, thougli they are supposed to be identical witli 

 those of the otlicial species, G. Inlca. 



Preparations. — Water extracts the bitter principle of these plants, hence 

 they may be employed in infusion or decoction. 



Medical Properties and Cxes. — There is probably no other difl'erence 

 than of degree between the therapeutic elfect of tluiso and the otlicial 

 si)ecies, aud they may be employed for like purposes. 



MENYANTIIES, 



IVIenyanthes trifoliata Linne. — /iud-beat), Jlfar.'^h Trefoil. 



Dct^cription. — Calyx 5-j3arted, the lobes obtuse. Corolla rotate or short 

 funnel-form, more than twice as long as the calyx, 5-parted, deciduous, 

 the ujiper surface white bearded, the lobes valvate in the bud with the 

 margins turned inward. Stamens 5, as long as the corolla. Style slender, 

 persistent ; stigma 2-lobed. Capsule 1-celled, many-seeded, bursting ir- 

 regularly. 



An herbaceous perennial with a long, round, jointed, liorizonital rhi- 

 zome, with numerous fibrous rootlets. Leaves trifoliate, iipon long sheath- 

 ing petioles, which proceed from the end of the rhizome ; leaflets oval or 



