828 BORRAGINACEJE. (UORAGE FAMILY.) 



1. T. Canadense, L. Stem tomcntosc, erect, simple or Immclicd ; leaves 

 short-pctiolcd, ovate-lanccolatc, acute, serrate, pubescent aiove, wliite-velvcty 

 beneath ; flowers mostly alternate, in a long hoary spiked raceme, longer than 

 the subulate bracts; calyx bell-shaped. (T. Virginicum, L) — Swamps and 

 low ground, Florida fo Mississippi, and northward. July -Sept. y. — Stem 

 2" -3° high. Leaves 2'- C long. Flowers purplish. 



Order 95. BORRAGINACEiE. (Borage Family.) 



Herbs or shrubs, -wltli terete or irregularly angled stems, and alternate 

 entire cxstipulale mostly rough-hairy leaves. Flowers usually in 1-sided 

 spikes or racemes, which are coiled in the bud. — Calyx free, 5-clefl or 

 5-parted, valvate in the bud, persistent. Corolla regular (except No. 6), 

 hypogynous, 5-lobed, imbricated or (in Myosotis) convolute in the bud. 

 Stamens 5, equal, inserted on the tube of the corolla and alternate with 

 its lobes. Ovary 4-celled, with a single ovule in each cell. Style single. 

 Fruit various. Albumen scarce or none. Cotyledons Hat or folded. 

 Radicle superior. 



Synopsis. 



Tbdje I. CORDIE7E. Ovary undivided. Style terminal, twice 2-lobed at the apex. 

 Fruit a 4-celleJ drupe. Cotyledons folded. Albumen none. — Slirubs. Flowers in 

 heads or spikes. 



1. COKDIA. Calyx opening regularly, not circumscissile. 



TaiBB II. EHRETIK.E. Ovary undivided. Style terminal, 2-Iobcd at the apex. 

 Fruit a 4-secded berry. Cotyledons flat. Albumen scanty. — Shrubs. 



2. EIIRETIA. Style slender. Flowers corymbose. 



3. TOURNEFORTIA. Stylo short. Flowers cymose or spiked. 



Tribe III. HEliIOTROPE.flS. Ovary undivided. Style terminal, simple. Fruit 

 separating into 2 or 4 nutlet.s. — Chiefly herbs. 



4. IIEIilOTUOIMUM. Fruit Feparating into 4 nutlets, each 1-Feeded. 



5. IIELIOPIIYTUM. Fruit separating into 2 nutlets, each 2-KeedeU. 



Tribb IV. BORKAGE.^. Ovary deeply 4-parted, enclosing the baeo of the simple 

 style. Fruit of 1 - 4 one-seeded nutlets. — lierba. 



• Throat of the corolla naked. Nutlets not hbpid- 

 t- Corolla irregular. 



6. ECinUM. Corolla funncl-lihaped, unequally lobcd. 



■t- ■<- Corolla regular 



7. ONOSMOniDM. Lobes of the corolla erect, acute. Nutlets smooth nnd utony. 

 R. LITllOSl'KIS.MU.M LobcH of the corolla rounded. Nutlets siiiooth or rugooo. 

 9. MKRTKNSIA Lnlics of the corolla rounded. Nutlets somewhat fleshy. 



10. MYOSOTIS. Lobes of the corolla convoliito in tho bud. Nutlets smooth. 



• • Thro.if of the corolla closed with scales. Nulliila hispid. 



11. CYNOaLOSSUM. Corolla funnel shaped. Nutlets deprcsotd. 



