294 SOUTH AMERICAN BOTANY. 
722, (5) Cynanchum lancifolium (Hook. & Arn.) ; sub- 
pubescens, foliis lanceolato-acuminatis basi obtusis, cymis 
multifloris pubescentibus pedunculatis folio multo brevioribus, 
corolla rotato-campanulata, corona tubulosa gynostegii longi- 
tudine membranacea 5-fida lobis retusis, stigmate apiculato 
bifido.— Between Osorno and “Rio de Maullen,” Chili. 
Bridges, (n. 600.)—'This is a very fine species, with leaves 
3—4 inches long, and with many-flowered moderately large 
drooping cymes. 
123. (4) Cynanchum tamifolium (Hook. & Arn.); gla- 
brum, foliis cordatis amplis sublonge petiolatis, cymis pedun- 
culatis plurifloris, corolla rotata laciniis demum reflexis, co- 
rona profunde 5-partita columna subduplo longiore, laciniis 
rotundatis apiculo lato acuminatis.—«. major ; foliis acumina- 
tis.— Woods about Rio Pardo, Rio Grande and Maldonado 
in S. Brazil. Tweedie, (n. 261.)—8. minor; foliis obtusius- 
culis cum acumine brevi.— Hedges and woods at Port Alegre. 
Tweedie. 
723. (5) Cynanchum odoratum (Hook. & Arn.); incanum, 
foliis hastato-trilobis, cymis subsessilibus, floribus (magnis) 
extus incanis, corolla rotata, corona tubulosa columnam 
includente alte 5-lobata intus hirsuta lobis lato-linearibus 
apice emarginatis subcartilagineo-plicatis dentibus minutis 
interjectis, —** Old dykes about Buenos Ayres. Flowers green 
and remarkably fragrant, particularly in damp evenings." 
T'weedie.—Leaves 2—3 inches, and petiole about an inch 
in length. 
724. (6) Cynanchum JBoerhavifolium (Hook. & Arn.); 
foliis (parvis) rotundato-cordatis obtusis cum mucrone mar- 
ginibus anguste revolutis, cymis pedunculatis 3—6-floris 
folium zequantibus, corolla rotata, corona exserta monophylla 
tubulosa columnam includente 5-fida lobis plicato-3-dentatis 
dente intermedio elongato.— Coquimbo. Cuming, (n. 891.) 
724. (1?) Cynanchum? connivens (Hook. & Arn.) ; gla- 
brum, foliis ovato-cordatis subcoriaceis mucronato-acutis, 
cymis pedunculatis plurifloris, corolla rotata, laciniis lineari- 
acuminatis incurvato-conniventibus tortilibus margine revolu- 
