EXOGENS. 113 



trees j Ivs. usually pinnately 3-foliolate, sometimes simple ; fls. pink, 

 white, purple, blue. More than 120 spec, chiefly tropical, hoth 

 worlds. Many N. Am. spec., chiefly Q|. herbs. D. canadense; 3°-6° 

 high; fls. pink; N. and W., IT. S. D. canescens, 3''-5° high; fls. pur- 

 ple ; S. States. D. gyrans, Telbgkaph Plant, @ ; fls. violet, 

 rucemed ; Ivs. with apparently independent motion, described, Lesson 

 XXXIII., 417. Ind. 6. ^Eschynomene, Sensitive Pea. Lvs. 

 imparipinnate, in some spec, sensitive ; fls. usually yellow, racemed, 

 showy. Loment of last ; joints 2-10. Herbs oi- small shrubs ; 30-40 

 sjiec, chiefly tropical; both worlds, most numerous in Brazil. J&. 

 dspera, Cork Tkee Pea, SSlah ; shrub ; wood light, used as cork. 

 Ind. /E. muntevidensis, Humming-bikd Bush ; fls. frequented by 

 humming-birds. iE. hispida, Q, 2°-4° high. Penn., S. to Gulf. M. 

 viscidula, Q, prostrate; sts. l°-2° long; fls. small. S. C. to Fla. 7. 

 CoroniUa. Loment several-jointed, round. Lvs. imparipinnate. Pis. 

 umbelled. 20-30 spec, herbs or shrubs, ornamental. JSur., N. Af., 

 Asia. 8. Arachis hypogaea, only spec, Gooea, Pea-nut. [Gooba — 

 misspelt Gdbbe and Goober — is the original negro name, and common 

 throughout the S. States.) Q. Sts. long, trailing; lvs. 4-foliolate. 

 Fls. small, yellow, in spikes or hds. Ova. on a long stalk, and thrust 

 into the ground by the plant itself, where it ripens into a 2-3-seeded 

 thick pod. See Lesson XXXII., 418. Sds. valuable as food and for 

 their fine olive-like oil ; plants valuable as forage. W. Ind., W. Af. ; 

 cult, in all warm regions. 9. Voandzeia subterrdnea, BAMBtJRRA 

 GooBA. (Voandzou, Madagascar name.) Similar to last, but lvs. 3- 

 foliolate. E. Af. ; Bamburra to Natal; naturalized in S. Am. ; called 

 MandIjbi in Brazil, G0OBA in Surinam. 



Tribe 7. Herbs, not climbing ; trees ; or erect or climbing shrubs. 

 Lvs. pinnately 5- 00- (rarely 3-1 -) foliolate ; Ifts. usually entire. Pod 2- 

 valved ; or small, 1-2-seeded and vesicular. Pine Tribe. 1. Glycyr- 

 rhiza. Liquorice. Q|. herbs ; pods often curved, prickly ; fls. blue 

 or white; rts. furnish the ii^MoWce of commerce. Sev. spec, Eur., 

 N. Af., Levant, Asia. G. glabra, Spain, G. echindia, Italy, furnish 

 the best liquorice. G. lepidbta, Am. L. 2°-3° high ; lvs. 15-19-folio- 

 late ; pod bur-like, prickl}'. Ark. to Cal., N. 2. Astrigalus. 2|.. 

 Lvs. imparipinnate ; branches often spiny. Pod curved. Pis. in 

 axil, clusters. More than 500 spec. Many handsome. Eur., N. Af., 

 Asia, N. Am., Andes. A. loioides, fls. red, showy; China. A. cary- 

 oedi-piis, Ground Plum. Low, smooth ; fls. purple ; pod small, plum- 

 like, 2-seeded. N. W., V. 8. A. mexicdnus, 2'-8' high; fls. yellow; 

 pod of last; prairies, S. 111., W. and S. A. canadensis, l°-4° high; 

 fls. greenish white ; pod leathery. Can. to Ga. Sev. other N. Am. 

 spec. 3. Caragana. Lvs. paripinnate, but rachis tipped with a spine ; 

 fls. yellow. Pod linear, several-seeded. Shrubs or trees ; about 15 

 spec. ; Asia. C. arborescens, 15° high, fls. sol. ; Siberia. C. spinbsa, 

 6° high, spiny ; Siberia. C. ChnmXdgu, i° high, spreading ; China. 

 4. Coiiitea, Bladder Senna. Pods inflated, bladder-like. Lvs. im- 

 paripinnate, purgative. Fls. yellow or scarlet. Shrubs, ornamental. 

 3 species, S. Eur., Ind. C. arborescens, 10° high ; fls. yellow. France, 

 Italy. C. eruenta, 4° high, fls. scarlet; Levant. 5. Sutherl4ndia, 

 similar to last; fls. scarlet; 3 spec; Cape of G. H. 6. Swains6nia, 

 elegant; similar to last; fls. white, purple, red, pink ; 23 spec ; Aus- 

 tralia, N. HoU., N. S. "Wales. 7. Cli4nthus, Glory-flower. Vex- 



