EXOGENS. 89 



berries dark bluej evergreen trees, making forests, in Corsica ; shrubs 

 elsewhere. V. Opulus, Guklder Eosb, Snowball ; 6°-12° high ; 

 Ivs. decid. ; fls. small, white, in cymes, outer neutral, enlarged ; berries 

 red. Both worlds. Cultivated form with all the fls. neutral. V. 

 prunifolium, Black Haw. 10°-20° high ; fls. white, cymose ; drupes 

 black, edible. N. Y. to Ga., W. Sev. other spec, in XJ. S. Sub- 

 Ord. 2. Corolla reg. or irreg. ; style simple. 1. Diervilla (Wei- 

 gelia). ris. 5-merouB, almost reg., funnel-shaped, large, clustered. 

 Shrubs. D. trifida, fls. yellow, l°-4° high, N. ; D. sessilifolia, similar, 

 AUeghenies, S. ; D. japonica, fls. pink, profuse, 2°-5° high, Japan. 

 2. Lonicera. Shrubs, twining, or sometimes erect. Many fine spec, 

 both worlds. L. sempervlrens, Trumpet Honktsucklb ; fls. reg., 

 trumpet-shaped, scarlet or yellow; berries red; N. Y., S. States, 

 where it is evergreen. L. Caprifblium, twining, Ivs. decid. ; fls. 

 irreg., pink; berries yellow; Eur., Asia. L. grata, Sweet H. ; 

 twining, evergreen ; fls. white, with pink tube, very fragrant ; Mid. 

 and S. States. L. Pericl'^menum, Woodbine ; Ivs. decid. ; twining ; 

 fls. irreg., red or yellow, fragrant ; berries red ; Eur. L. nigra, Black 

 H. ; erect ; 2°-4° high ; Ivs. decid. ; peduncles 2-flowered ; fls. red- 

 dish ; berries black; Mid. Eur. Pig. 107. 3. Symphoricarpus. 

 Fls. 4-5-merous, small, pink, clustered. Siirubs, N. Am., Mex. S. 

 racembsus, Snowbkrky ; 2^-4° high; hemes large, white; N. Y., 

 Can., "W. S. montdna, straggling; 2°-3° high; berries white; mts.. 

 New Mex., Colorado, Cal. S. vulgaris, Coral-berry ; 2°-3° high ; 

 beiTies dark red ; Penn. to Iowa, S. States. 4. Linnaea horeaUs, 

 TwiN-rLOWKR, only spec. ; creeping and rooting, small evei'green ; 

 fls. twin, pink, fragrant; berries dry, 1-seeded. N. Eur., Asia; N. 

 Am., lat. 39° to Arctic Ocean. 



( 1. Calycifl6rse. 



Division III. — PolypHalm. 3 Subdivisions \ 2. Discifldrse. 



is. Thalamifldrse. 

 Flowers usually dichlamydeous. Petals usually separate. 



Subdivision I. — Calydflbrm. Calyx usually conspicuous ; sepals 

 usually connate. Ova. frequently adh. Petals 1-seriate, epig. or 

 perig. Torus adnate to base of calyx, rarely raised into a gynophore. 

 Sta. perig., usually inserted on or beneath the outer margin of the 

 torus. Most useful of the 3 Subdivisions. 



Umbel Alliance. — Els. reg., usually g. Corolla 2-4-5-10-merous, 

 sometimes 0. Sta. usually def. ; styles free or connate at base. Ova. 

 1-2-00 -celled. O v. sol., pend. ; coats confluent with nucleus. Emb. 

 usually minute. Perisperm present. 75. Cornacese. 76. Araliaceae. 

 77. Uinbelliferae. 



Ord. 75. Cornaceae. — SJ or ^ J> ; often apet. Drupe, berry, 

 pome. Trees or Shrubs; Ivs. exstip., simple, usually opp. 10 gen., 

 40 spec, temp, regions, both worlds. 3 Sections : 



A. 9 (^. Lvs. alt. 1. Nyssa. Els. apet., 2-5-merous ; sta. 

 5-10-12. Di-upe l-'seeded, plum-like. Trees, N. Am. 4 spec. N. 

 capitdta (cdndicans), Ogeechee Lime. J> fls. capitate, $ sol. ; 

 drupe dark red, edible. 20°-30° high. River-banks near coasts, S. 

 N. unijibra (denticuldta, tomentbsa, angulisans, grandidenidta). Great 

 TtrPELO. 9 fl. sol. ; drupe blue. Lvs. sometimes angulate-dentate. 

 70°-80° high. Swamps, S. N. aqudtica {biflbra). Pond TiJpelg. 



