XCJV. BORRAGliNACEiE. 429 



34. MOLUCCELLA. 



Brought frem the Molucca Islands, &c. 



Calyx campanulate, very large, the margin expanding, often 

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



M. L^vie. Molucca Balm. Shell Floicer. — St. ascending, subsimple, gla- 

 brous; ^1-5. petiolate, roundish-ox^ate, dentate; fis. in a terminal, leafy raceme ; 

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

 awnless. — (T) 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. TRIGHOSTEMA. 



Gr. 6pi^, TpiKo^, hair, arr.jic, a. stamen; for its long, hair-Uke stamens. 



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

 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 

 iOnes longer. 



T. DicHOTOMA. Blive-ourls. 



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

 resupinate; da. very long, exserted. — (T) Found on drj' 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. TEUCRIUM. 



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



Calyx subeampanulate, 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. V/ild Germander^ 



Plant erect, hoary-pubescent ; lvs. lanceolate, acute, serrate, petiolate ; bracti 

 linear-lanceolate, longer than the calj'X ; sfpike long, of many crowded verticils 

 of flowers; wpjicr Ueih of cal. broader. — % Can. and U. S., fields and roadsides. 

 Stem about 2f high, simple or branched, square, with concave sides. Leaves v«> 

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

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

 each of 4 — 6. Calj^x with 5 broad, nearly equal segiYipnts, the 2 lower ones, 

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

 is a fissure through which the stam.ens are exserted. July. 



yff. ViTginiciim. Upper Irs. cvate-oblong, nearly sessile ; bracts about as long 

 as the calyx. — Habits similar to the last. 



Order XCIV. BORRAaiNACE^.— Borrageworts. 



Herbs, shrills or tree.9, with round stems and iivanches. 



Lvs. alternate, often rou?h with Bfift"hairs which are scale-like and indurated at base. [flowers expane. 



Slip. none. Spikes, racemes or corjmbs generally secund, and circinate before Qov/enng, evolving as tha 



FYs. of the cyanic series, white, blue, red, <tc.. rarely yellow. 



Cal. — Sepals 5, regular, more or less imited at base, persistent 



Car.— P«tal35, regular (very rarely irregular), united at base, hypoRvnoas, imbricate in eeslivatioB. 



