72 ANGIOSPERM^. 



eoecinea, Busybody. Lvs. cordate, corolla-limb 5-angled. Q. vuU 

 gdris, Cypress QuImoclit. Lvs. pinnatiseet ; corolla-limb 5-lobed. 

 Mex. First run wild in S. States. 8. Calon^ction. Boll 4-valved, 

 4-seeded. Herbaceous bold twiners, lvs. and fls. very large. 15 spec, 

 trop. Asia, Am. C. Bona-Nox, Moon Flowbe, Evening Glory ; 

 corolla-tube 4' long, border 5' wide; vespertine; tropics. Tribe 5. 

 Berry, 4-celled. Like last, but shrubby. 1, Rlvea, fls. very often 

 purple. 12 spec, trop., both worlds. 



Ord. 46. Polemoniaceae. — Characters of Convolvulsleese. Boll 3- 

 valved. 17 gen., 100 species ; temp, regions, chiefly in Am. 1. Co- 

 ba6a. Q|., high-climbing by leaf-tendrils ; lvs. pinnate ; fls. large, 

 sol., green, becoming violet. Sev. spec. Mex. C. sc&ndens, best 

 known; hair on sd.. Fig. 106, 3. 2. Polemonium. QJ.. Erect; lvs. 

 pinnate ; fls. blue or white, panicled. P. reptans. G'-IO' high. Mid. 

 States. P. cmruleum, Jacob's Ladder, G-rebk Valerian, P-3° 

 high. Eur. 3. Gilia, Standing Cypress. Herbs, erect; fls. and 

 lvs. resembling Quamoclit. 65 spec. Kansas to Tex., Mex., Cal. 4. 

 Phlox. Q). herbs, usually erect, l°-i° high; lvs. simple, fls. showy, 

 usually panicled. Many spec, N. Am. P. stelldria {bifida). Stab 

 Phlox. 10' high, turfy ; stems almost hair-like; lvs. small, linear ; 

 fls. large, lilac ; tube curved, lobes deeply bifld. Kare, lovely species ; 

 local ; in Mo., 111., cedar glades about Lavergne, Tenn. 



Ord. 47. Hydrophyllaceae. — Characters of Polemoniacese ; but 

 placentation parietal ; boll 2-valved. 18 gen., 80 spec, chiefly in 

 Am. Fls. usually blue; infl. scorpioid. Herbs, usually small. 1. 

 Hydrolea. Spiny or hispid marsh plants ; sev. spec ; both worlds. 

 The following American : 2. Wig&ndia, bristly foliage-plants ; Bra- 

 zil. 3. Vf\\\\\a.wia. grandiflbra ; Cal. 4. Eutoca, 5. Phacelia, more 

 delicate; IT. S. 6. Cosmanthus, corolla fringed; TJ. S. 7. Ne- 

 mophila, sev. spec. ; Ark. to Cal. 8. HydrophJ^llum, sev. spec. ; 

 forests, U. S. 



Gentian Alliance. — !^ . Corolla mono- rarely sub-polypetalous, 

 rarely 0. Sta. 2-4-5-10, epipetalous. Ova. usually syncarpous and 

 2-celied. Lvs. rarely alt. or stip. Serbs, Shrubs, Trees, with watery 

 or milli;y juice, tonic, or poisonous. 48. Gentianacese. 49. Logani- 

 acese. SO. Asclepiadaceae. 51. Apocynacese. 53. Salvadoracese. 

 S3, Oleacese. 



Ord. 48. Gentianaceae.— Corolla 5-4-6-8-merous, isostemonous ; 

 throat often with fringed ring. Carpels 2; boll 2-valved; sds. mi- 

 nute ; perisperm copious. Ann. or perenn. Herbs or Shrubs. Lvs. 

 exstip. 70 gen., 500 spec, both worlds. 2 Tribes. Tribe 1. Lvs. 

 alt. Aquatic or marsh plants. 1. Limndnthemum ; 2. Villarsia, 

 both aquatic ; 3. Menyanthes, in marshes ; all with yellow or white 

 fls. ; throat usually fringed. Both worlds. 



Tribe 2. Lvs. opp. ; many gen. 1, Ophelia elegans, herb, fls. blue, 

 throat naked. Ind. 2. Crawftirdia. Twining herbs, fls. large. Ne- 

 pal. 3. Gentiana, Gentian. Herbs. Corol. throat with teeth or 

 folds, no fringe ; lobes sometimes flmbriate (as in G. crindta. Fringed 

 G.) Lvs. ribbed. Many fine spec ; fls. blue or yellow in Alps ; blue, 

 Himalayas ; red in Andes ; blue, rarely white, U. S. G. I'Atea, tall ; 

 fls. yellow. Alps. Fig. 116. 4. Lisiinthus. Shrubs or herbs ; fls. 

 long, pendent, often red; trop. Amer. 5. Sabbatia. Slender herbs. 

 Corol. rotate, 5-12-merous, white or pink, corymbose. Many pretty 

 spec. N. Am. 



