128 DICOTYLEDONOUS. 



Genus III. CANTUA. {Syn, Ipomopsis.) 



Calyx 3-5.cleft. Corolla funnel form. Stigma 3. cleft, 



spotted. Stamens 5. Capsule 3-celled, many seeded. Seeds 



angled. 



1. C. CoROxVOpiFOLiA. Stem pubescent. Leaves pinnatifid, sessile, fasci- 

 culate, with smooth, linear segments. Flowers in lon^ racemose panicles. 

 Calyx pubescent ; segments subulate. Corolla dotted with red. Stamens in- 

 serted into the tube of the corolla. Capsule oblong, 3 furrowed. 



Standing Cypress. 

 Red and Yellow. (^. July. On the Congaree, near Columbia. 



Remarks. One of the most beautiful of our native plants which has become exten- 

 sively introduced into our gardens. We have never found it in any otlner locality than 

 the one above noticed. 



GexVus IV. COLLOMIA. 



Calyx S-cloft, som(;wliat campanulate, large. Corolla fun- 

 nel form, 5-lobed, lobes oval, oblong ; tube straight, long, slen- 

 der. Capsule 3-celled, triangular. Seeds oblong, angular, 

 covered with a mucilage c.ox\iii'\mT\gi\\QJil)ro -cellular tissue. 



1. C Linearis. S/e/n pubescent. Leaves oblong-linear, somewhat lance- 

 olate, floral ones ovate-lanceolite, acute. Calyx viscid. 

 Whitish purple. 0. June. Louisiana. 



Order LXIX. HYDROLEACE^. 



Calyx 5-parted, persistent, aestivation, imbricate. Corolla 

 regular, hypogynous. Stamens 5, inserted into the corolla. 

 Anthers lobed at the base. Ovary 2-3.celled, surrounded by 

 an annular disk. Style 2.-3. Fruit capsular, 2--3-celled, 

 dehiscence loculicidal. Seeds indefinite, small. Herbace- 

 ous plants, with alternate, entire, or lobed leaves. Flowers 

 axillary and terminal. 



Genus I. HYDROLEA. 



Calyx 5-parted, or 5-leaved. Corolla campanulate, with 

 the limb 5-parted, filaments inserted into the tube of the co- 

 rolla, dilated at the base. Capsule 2.celled. Seeds numerous. 



1. H. QuADRivALvis. Stem decumbent, assurgent, hairy, geniculate, spiny. 

 Leaves cuneate lanceolate, alternate, entire, hairy along the veins. Flowers 

 in axillary clusters, nearly sessile. Calyx 5-parted, hairy, with subulate seg- 

 ments. Corolla pubescent, with acute segments. Capsule globose. Seeds 

 numerous, oval. 



Blue. % July — Sept. Around ponds. 1-2 ft. 



2. H. CoRYMBOsA. Stem erect, or assurgent towards the summit, without 

 spines. Leaves lanceolate, sessile, with the veins and margins pubescent. 

 Flowers solitary on the extremities of the small branches, somewhat corym- 

 bose. Calyx with the segments acute hairy. Corolla campanulate, with 

 ovate segments, with yell-owish veins, and white spots near the base. Capsulg 

 globose, glabrous. 



Blue. %. Through the summer. In pine barren ponds. 1-2 feet. 



