OnvEr 90.—BORRAGEWORTS. 261 
Jlowers seldom yellow, generally in a coiled (circinate) inflorescence: 
sepals 5; petals 5, united below, almost always regular; 
stamens 5; ovary deeply 4-lobed, forming in fruit 4 separate, 1-seeded 
nuts or nutlets, generally without albumen. 
Analysis of the Genera. 
§ Ovary not 4-lobed, but separating when ripe irto several achenia....a 
§ Ovary 4-lobed or parted, becoming 4 achenia around the style....2 
2 Corolla irregular, with unequal lobes or a bent tube....b 
2 Corolla perfectly regular... .38 
8 Achenia or ovary prickly. Corolla throat closed with 5 scales....f 
8 Achenia and ovary not prickly....4 
4 Corolla throat closed by 5 scales....¢ 
4 Corolla throat open, no scales, sometimes 5 ridges....d 
a Corolla tube with open thruat. Achenia4, Heliotrope. Turnsol, Hetiorro’pium. 1 
a Corolla tube with constricted throat. Achenia 2. Fudse Helio. HeLiorropH’¥TOM, 
b Corolla irregularly 5-lobed. Throatopen. Blue. Viper’s Bugloss. Ecn’1um. 
b Corolla with the slender tube bent, closed. Blue. Bugluss. Lycop’sts. 
ce Corolla wheel-form, anthers exserted. Blue. Borrage. Borra’ao. 
ce Corolla tubular bell-form. Style exserted. White. Comfrey. Sym/PHYTUM. 
d Cor. tubular, with erect, acute lobes. White. Fudse Gromwell. ONosMo’DIUM. 
d Corolla lobes rounded, spreading,....¢ 
e and imbricated in the bud. White or yellow. Gromwell. LirposPER’MuM. 2 
e and imbricated in the bud. Purple or blue, large. Merrten’sta. 8 
e and convolute in the bud. Blue or white, small. Myoso’ts, 4 
f Corolla salver-form. Ach. prickly on the edge.  Burr-seed. EoutnosPER’MUM. 
€ Corolla funnel-form. Achenia prickly all over. Hound’s-tongue. CynooLos’suM. 5 
1, HELIOTRO’PIUM. Turnsol. Heliotrope. 
Corolla salver-form, lobes shorter than the tube. Anthers sessile. Style 
short, terminal. Ovary entire, splitting at length into 4 achenia.—Herbs 
or shrubs. Flowers in one-sided, coiled spikes. 
1 H. Europe’um. Wild H. Herb downy. Leaves oval, obtuse. Spikes single or 
forked. White. 8. {oltuse. Blue. W. 
2 H. curassav’icum. Glaucous H. Herb smooth, glaucous. Luvs. linear-lanceolate, 
8 H. Peruvia/num. Common H. Shrubby, whitish-downy. Spikes many, clus- 
tered. wp. t+ 
2. LITHOSPER’MUM. Gromwell or Grammell. 
Calyx 5-parted. Corolla funnel-form or salver-form, the limb 5-lobed, 
throat open, naked or with 5 projections. Stamens included. Achenia 
