xciv. BORRAGIINACEA:. 429 



34. MOLUCCELLA. 



Brought from the Molucca Islands, &c. 



Calyx campanulate, very large, the margin expanding, often 

 repand-spinose ; cor. much smaller, included within it. 



M. L.KVIS. Molucca Balm. Shell Flower. 'St. ascending, subsimple, gla- 

 brous; Ivs. petiolate, roundish-ovate, dentate; fls. in a terminal, leafy raceme; 

 cal. campanulate, equally 5-toothed, nearly twice longer than the corolla, teeth 

 awnless. Syria. A curious plant in gardens, smooth in all its parts and of 

 a glaucous green, 1 2f high. It is chiefly remarkable for its ample, bell- 

 shaped calyx, in the bottom of which is seated the yellowish-green flower. 



TRIBE 9. AJUGOIDEJE.^-Corolla upper lip very short, or split to the base, 

 or rarely erect and vaulted, lower lip longer. Stamens ascending, much 

 exserted. Achenia reticulately rugose. 



35. TRICHOSTEMA. 



Gr. 0j3i, rpiicos, hair, arrjpa, a stamen ; for its long, hair-like stamens. 



Calyx resupinate, oblique, unequally 5-cleft ; upper lip (lower by 

 the twisting of the peduncle) of 2 short, acute teeth, lower (at length 

 the upper) twice as long, 3-toothed ; cor. tube slender, very short, 

 unequally 5-cleft, lobes oblong, declined ; sta. much exserted, lower 

 ones longer. 



T. DICHOTOMA. Blue-curls. 



Lvs. oblong-lanceolate, attenuate at base, obtuse, entire, pubescent ; fls. 

 resupinate; sta. very long, exserted. Found on dry or rocky hills and in 

 sandy soils, Mass.! to Md.! Ga., La., 111. An interesting plant, a foot high. 

 Stem obtusely 4-angled, hairy, bushy. Branches opposite, divided, the upper 

 pair generally forming a dichotomous division of the stem. Leaves petiolate, 

 of a rhombic, ovate-lanceolate form. Flowers axillary and terminal, becoming 

 inverted by the twisting of the petiole. Corolla purple. Stamens slender, of a 

 delicate purplish hue, gracefully bending from the lower lip of the corolla to 

 the upper, forming a beautiful arch. Aug. 



36. TEUCRItTM. 



Teucer, the founder of Troy, is said by Pliny to have first employed it medicinally. 



Calyx subcampanulate, and subregular, in 5 acute segments ; co- 

 rolla with the 4 upper lobes nearly equal, the lowest largest, roundish ; 

 stamens exserted from the cleft in the upper side of the tube. 



T. CANADENSE. Wild Germander. 



Plant erect, hoary-pubescent ; Ivs. lanceolate, acute, serrate, petiolate ; brack 

 linear-lanceolate, longer than the calyx ; spike long, of many crowded verticils 

 of flowers ; upper teeth of cal. broader. *2j. Can. and U. S., fields and roadsides. 

 Stem about 2f high, simple or branched, square, with concave sides. Leaves :+ 

 times as long as wide, somewhat rounded at base, green above, hoary with dowr. 

 beneath. Bracts longer than the calyx. Flowers disposed in axillary verticils, 

 each of 4 6. Calyx with 5 broad, nearly equal segments, the 2 lower Dnet 

 narrower. Corolla purplish, apparently without the upper up, instead of whicl 

 is a fissure through which the stamens are exserted. July. 



0. Virginicum. Upper Ivs. ovate-oblong, nearly sessile ; bracts about as long 

 as the calyx. Habits similar to the last. 



ORDER XCIV. BORRAGINACE^E. BORRAGEWORTS. 



Herbs, shrubs or trees, with round stems and branches. 



Lrs. alternate, often rough with stiffhairs which are scale-like and indurated at base. [flowers e? 



Flip. none. Spikes, racemes or corymbs generally secund. and circinate before flowering, evolving 



F.'.V. of the cyanic series, white, blue, red, &c., rarely yellow. 



Cal. -Sepals 5, regular, more or less united at base, persistent 



Cor. Petals 5, regular (very rarely irregular), united at l>ase, hypotrvnou*. imbricate in aestivation. 



