DIDYNAMIA. ANGIOSPEHMIA. 59 



Calix partly lobed, btit monnphyllous, se.c:ments 5, loirg-, 

 linear, and acute. Upper lip oF'the corro'lla bifid; lower 

 trifid. and plaited, paipie. Anthers whitish, lobes acute 

 at the base. 



* Gymxocaulis. Calix and corolla almost equallu 

 5-deft. 



3, * fascindata. Stem short and simple; peduncles 

 many, naked, nearly terminal, and about the le!;g-ili 

 of the stem; scales fe\x% ovale and concave, pubescent; 

 lobes of the corolla very short, rounded, and naked on the 

 margin. Mae. With the above. Flowering in June and 

 July. Very nearly allied to the following. Obs. 4 or 5 

 inches high, densely and ptdvenilently pubescent, intern 

 angular, with few scales, terminatnig in 6 or more naked 

 filiform peduncles, 2 tO 2 1-2 mches in length. Calix cam- 

 pamdat-, semiquinquefid, segments subianceoltie, acute, 

 little more than one-th'.-d he length of the coi-olla. Corol- 

 la curved, tubular, dilute purple; segments of the border 

 scarcely more than a line long; lo ver lip producing a 

 groo\(rd p;date. Stamina smooth, lobes of the antliers 

 acute below, opening mari-inally a^d longitiidinailv, the 

 lobes being p';rullel. Capstde 1 celled, ovate, acuminate. 



2. * bijiora. Stem very si-ort, often obsolete; mostly 

 2-flowered, peduncles scaplform, naked; scales smooth, 

 concave; lob^ s of the corolla (>blop,g-oval, wiih a pubes- 

 cent c-/;oured margui. O.unifiora. L. Hab. Common 

 in shad\ woods throup;hout the Atlant-c states. Obs. 

 Stems rarely more than an inch, olten sevei al together, 

 producing 5 or 6 smooth scales; peduncles nakeil, 4 to 6 

 inches long, S')mewhrtt pubescent. Calix and corolla as 

 the preceding, tube also recurved, lobes flat, and nearly 

 equal, twic- as deep as in the preceding, yellowish white, 

 as well as the whole corolla, markt^d .ithfamt blue veins, 

 margin elegantly bordered with an azure blue pubescent 

 line, very conspicuous in the early stigeot the flower; un- 

 der side of t'ne tube also furnished with a grooved palate 

 after the manner of the genus; the ridges yellow on the 

 inner side. Anthers obcordate, and with the filaments 

 smoo'ii, pubescent on the margin of the cells, lobes paral- 

 lel and acute below; stigma biitimmellHie, pf-rforate, lobes 

 rounded and acuminate, nearly smooth, lower lobe arch- 

 ed over the stamina. Capsule 1-celled, parietal placentu- 

 Ix 4; seeds minute. 



A genus p:-:iicip.aliy indigenous to Europe and the tem- 

 perate parts of Africa in both hsmispheres, v.-ith a few 8p£- 

 cies also in Siberia. 



