OEDER LXXXVII. BORAOmACE^. 447 



Genus IV.— DICHON'DRA. Foster, 5—2. 

 (From dis, twice, and chondros, a grain, from the form of its capsules.) 



Cal7/x 5-parted ; segments spatulate. Corolla 5-p.irted, bell- 

 form, short. Stamens 5. Sti(jmas 2. Cajjsulc 2-cellecl, formed 

 of 2 carpels, each 1 -seeded. Seeds globose. 



1. D. Carolinen'sis, (Mich.) S(ej7i creeping, pubescent. Leaves 

 somewhat reniform, emarginate. Calyx ciliate, villous. — Purple. 2{. 

 June. Lou. 



Genus V.— CUSCU'TA. Tourn. 5—2. 



(The ancient name of a parasitical plant.) 



Calyx 4-cleft. Corolla globose, urceolate ; limb 4 — 5-cleft. 

 Stamens 5, inserted into the corolla. Stigmas 2. Caj^sule 2- 

 celled, 2 seeds in each cell ; dehiscence transverse. 



1. C. Amekica'na, (L.) Stem twining, filiform, resembling orange- 

 colored threads, springing first from the earth, afterward becoming 

 parasitic ; the root dying. Leaves none. Flowers in racemose clusters. 

 — White. @. Through the summer. Common. 



Love-vine. C. compact a, Juss. 



Order LXXXVII.— BORAGINA'CEiE. [Borage Family.) 



Calyx 5-cleft, persistent. Corolla hypogynous, regular, 5- 

 cleft. Stamens inserted into the corolla, alternate with its seg- 

 ments. Ovary 4-lobed, 4-celled, with 4 suspended ovules. 

 Style simple, arising from the base of the lobes. Nuts 4, dis- 

 tinct. Herbaceous plants, with alternate, scabrous leaves. 

 Flowers in secund spikes or racemes. 



Genus L— LITHOSPER'MUM. L. 5—1. 

 (From lithos, a stone, and sperma, a seed.) 



Calyx 5-parted. Corolla funnel-form, small, 5-lobed. Sta- 

 mens included. Nuts shining. 



1. L. arven'se, (L.) Stem erect, hispid, branching. Leaves oblong- 

 obtuse or ovate. Flo^vers solitary, axillary, forming leafy racemes. 

 Calyx with long, linear, subulate segments. Nuts rugose. — Wliite. ©• 

 April— May. Introduced. 12 — is'inches. Corn Gromweit. 



2. L. hir'tum, (Leh.) Stem erect, hirsute, simple. Leaves hispid, ob- 

 long, somewhat oval, those of the flowers ovate. Calyx with long, 

 lanceolate segments, persis^tent. Corolla with 5 tubercles in the throat, 

 i^/ottiers in terminal racemes. — Bright orange. U- April— May. Com- 

 mon. 10 — 16 inches. Batscliia Gmelitii, Midi. 



3. L. CANEs'cKNS, (Lch.) Stem villous, erect, simple. Leaves oblong, 

 mucronate, obtuse, villous beneath. Flowers axillary, crowded near 

 the summit of the stem. Calyx with linear-lanceolate segments, short; 

 tube of the corolla double the length of the calyx.— Bright orange. U. 

 June— July. 8—12 inches. ' Fuccoon. 



