EXOGENS. 67 



showy. Boll usually 2-valved ; usually long and slender ; sds. winged. 

 Lvs. usually compound, rachis often terminating in tendrils. 46 gen., 

 452 spec. ; tropics, both worlds ; chiefly in Old World. 4 Tribes : 

 Tribe 1. Only gen. Eccremocarpus (CqUmpelis). Stem shrubby, 

 branches long, succulent, climbing by If. -tendrils. E. longiflorus, lvs. 

 3-pinnate ; calyx red, corolla-tube yellow, border green ; E. scdber, 

 lvs. 2-ternate, fls. orange-yelloW; Chili. Tribe 2. Erect small herbs ; 

 fls. raceraed. 1. Amphicome Emodi, fls. pink, sds. comose ; lvs. pin- 

 nate. N. W. Ind. 8. Incarvillea, monotypic, fls. scarlet ; lvs. pin- 

 natisect. China. Tribe 3. Trees, rarely shrubs or herbs. Fls. usually 

 in large panicles. Lvs. large, cordate; fls. white, mottled with colors. 

 1. Catdlpa, Indian Bean. Trees 30=-50° high f boll long, slender. 

 4 or 5 spec. N. Am., W. Ind., Japan, China. C. bignonioides, South- 

 ern U. S. 2. Pandorea. Shrubs, only twiners in the Order; lvs. 

 pinnate. 3 spec, Australia. P.jasminoides, fls. white, throat pink. 



3. Tecomaria. Erect shrubs ; lvs. pinnate, pinnse serrate ; fls. orange- 

 yellow. 6 spec, S. Am. T. cajoeresis (specific name given under the 

 supposition that the shrub came from S. Af.) is the best known 4. 

 Stereospermum. Trees ; lvs. pinnate ; fls. white, very fragrant. 12 

 spec, trop. Af., Asia. 5, Spathodea. Tall trees; lvs. pinnate ; fls. 

 orange or purple. Several spec, trop. Af , Asia. 6. Jacar^nda. 

 Trees; lvs. 2-pinnate ; fls. blue; numerous spec, trop. Am. 7. Zey- 

 heria montdna, only spec ; large, stately tree ; lvs. digitate, fls. gold- 

 color. Brazil. 8. Tecoma. Tall trees ; lvs. digitate ; fls. golden- 

 yellow, purple, pink, or white. Wood (called Koblb, from Rbbur, 

 oak) almost indestructible. 50 spec, trop. Am. 



Tribe 4. Eubignoniese. — True Bignonias, High-climbing or high- 

 creeping shrubs, or tall, slender trees ; fls. large, trumpet-shaped, some- 

 times ill-scented. 1. Calosinthus, monotypic. Very tall, slender 

 tree ; lvs. 2-pinnate ; fls. white, fetid. Ind. 2. Campsis. High- 

 creeping, rooting, like ivy ; lvs. pinnate ; fls. large, scarlet or pink. 6 

 spec, W. Am., E. Ind., Japan, China. C. rddicans, Trumpet- 

 Creeper ; creeping up trees, walU, etc., to height of 80° ; fls. scarlet. 

 Penn. to 111., S. and S. W. C. i/randiflorn., not so tall. China. 3. 

 Campsidium chilense, only spec. ; lvs. pinnate, fern-like ; stem slen- 

 der, climbing (not rooting) to height of 40°; fls. orange-yellow. Chili. 



4. Adenocal5rmna. Lvs. binate, tendrilled ; fls. orange or pink. 

 Stem rope-like, branching, climbing the tallest trees ; several spec. 

 Brazil. 5. Arrabidaea, similar ; fls. much smaller, but in handsome 

 panicles ; 20 spec, chiefly in Brazil. 6. Bign6nia, similar, but fls. 

 largest and finest of all, of various colors. Many spec. ; lvs. of some 

 yielding colored pigments; all trop. Am. B. capreoldta, Cross-Stem ; 

 lvs. evergreen; fls. orange-red; wood in the form of a cross (Lesson 

 XXXI.) S. Va., S. and W. to Mex. B. picta, S. Am. Pig. 70. 



Ord. 38. Gesneraceae. — Characters of Bignoniacese ; but sta. 

 sometimes 5, fertile, ova. l-ce11ed, sometimes adh., and sds. wingless. 

 Anthers often cohering. Fr. a boll or berry. Herbs or Undershrubs, 

 often with tuberous rhizomes. Lvs. simple. 80 gen., 300 spec, 

 chiefly tropical ; both worlds, chiefly in New World. 3 Trjbes : 



Tribe 1. 1. Ramdndia pyrendica, monotypic Stemless Q|. herb ; 

 lvs. rad. ; corol. nearly reg., limb rotate, sta. 5, fertile. Fls. purple, 

 few, on a scape. Pyrenees, Piedmontese Alps. 2. .ffischynSnthus. 

 Splendid epiphytes ; stem pendent, lvs. fleshy, fls. (irreg., sta. didyna- 



