934 DICOTYL. seu EXOGENJE. RE 
f, latifolia, caule erecto v. vix volubili, foliis inferioribus late ovatis v. la- 
üoribus quam longis Superioribus lanceolatis interdum ex parte dissecto- 
dentatis. 7 In Novo Mexico (C. Wright n. 1794!), in Mexico (Aschen- 
born! Hartweg n. 82! specimina macra), in prov. San Luis (Virlet 
d'Aoust n. 121!). Tragia urticzfolia Mich.? ex Benth. Plant. Hartweg. 
p. 14. (v. s) 
y; amblyodonta, caule scandente, foliis latius angustiusve triangulari-ovatis 
vulgo obtusiusculis basi cordatis obtuse v. interdum subrepando-dentatis, 
racemis elongatis. 27 In Novo Mexico (C. Wright n. 17931). T. urticz- 
folia Torr. Mex. Bound. surv. p. 200 pr. p. (v. s.) 
8, teucriifolia, caule volubili, foliis e basi cordata deltoideo-ohlongis. 2c In 
Texas, prope Neubraunfels (Lindheimer). T. teucriifolia Ad. Scheele in 
Linnaa, vol. 25. p. 586. 
"  &, Tümosa, caulibus tenuibus demum flagelliformi-elongatis vage flexuosis 
et subvolubilibus, foliis e basi cordata triangulari-ovatis v. sepius lan- 
ceolatis sensim acuminatis 2-5 cm. longis sepius 21-5 - plo longioribus 
quam latis. 2? In Texas (Lindheimer n. 307!) , in Mexico prope Tlatetla et 
Mirador (Liebm.! in hb. copenh.). T. ramosa Torr. in Ann. Lyc. New York 
2. p. 245 pr. p. et T. angustifolia Nutt. in Transact. Amer. Phil. soc. n. 
ser. 5b. p. 172 ex Torr. in Marcy Explor. of Red River 1854. p. 282. T. 
urticzfolia Torr. Mex. Bound. surv. p. 200 pr. p. (v. s.) 
t, genuina, caulibus rectis subfirmis, foliis triangulari-lanceolatis basi cor- 
datis indistincte venosis. 2^ In Mexico (Née). T. nepetzefolia Cavan. Icon. 6. 
p.37. t. 557. fig. 1. — Habitu satis similis T. urticzefolice Mich., sed folia 
tamen summa angustiora, magis inciso-denfata. Folia fere ut in var. 
precedente, sed caules superne haud flagelliformes. (v. ic.) 
7, Scutellarizfolia, caulibus decumbentibus, foliis breviter petiolatis trian- 
gulari-lanceolatis basi cordatis subtus pulchre venosis, 2^ In Texas prope 
Neubraunfels (Lindheimer). T. scutellariefolia Ad Scheele in Linnza, 
vol. 25. p. 587. 
9, angustifolia, caulibus erectis, foliis triangulari-lanceolatis basi obtusis 
superioribus lineari-lanceolatis v. sublinearibus. 2^ In Texas (Berlandier 
n.2542!). — Tota species a proxime affini T. urticzfolia distinguitur 
caulibus debilioribus, superne magis volubilibus, indumento breviore et 
mollire, foliis inferne presertim et superioribus angustioribus szpe 
undique profundius inciso-dentatis sublobatis, inflorescentiis fere semper 
multo brevioribus et presertim stylis gracilioribus brevius connatis apice 
acutis. (v. s.) 
18. T. un TICAEFOLIA (Mich. Flor. bor. amer. vol. 2. p. 176), petiolis limbo 
2-5-plo brevioribus, limbo grosse serrato, racemis elongatis, bracteis lanceo- 
lato-ovatis, filamentis superne incrassatis, ovario dense strigoso-hirsuto, stylis 
brevibus ultra medium connatis superne erectis obtusis grosse papillosis. ZI 
America septentrionali, in Virginia (Pursh), in Carolina septentrionali (Rugel!) 
et meridionali (hb. Boiss.!), in Georgia (Mich.! Beyrich!), in Florida (Chap- 
man! in hb. Boiss.), in Kentucky (Mich.) et in Arkansas (Engelm. n. 1129! 
et 1130! in hb. berol., nec non in Mexico (Schiede n. 661), ad Tampico de 
Tamaulipas (Berlandier n. 40! 180!). T. urticzfolia Mich. Flor. bor. amer. 
vol. 2. p. 176; Willd. Spec. pl. vol. 4. p. 324; Ell. Sketch 2. p. 564; A. Gray 
Manual of Bot. Illustr. p. 390; Chapm. Flora of the South. Un. Stat. p. 406. T. 
cordata. Mich. Flor. bor. amer. vol. 2. p. 176. T. Mercurialis Walt. Flor. carol. 
p.229. (non Linn.) T. macrocarpa Willd. Spec. pl. vol. 4. p. 323; A. Gray Manual 
of Bot. Illustr. p. 390. T. volubilis Mich. sched.ap. Bail. Etud. gén. Xuphorb. 
p.460. Caules 1-2-pedales, erecti v. superne plus minusve volubiles v. sub- 
Scandentes, simplices v. parce ramosi, hispido-pubescentes. Stipule ovato- 
lanceolatz v. superiores ovatz. Petioli seepius tantum 5-8 mm. longi. Limbus 
foliorum circ. 3-5 cm. longus, evolutus sepius latiuscule triangulari-ovatus v. 
triangulari-laanceolatus, acutus, basi profundius leviusve cordatus, subdupli- 
cato-serratus, subtus pallidior. Racemi multiflori, folia circiter zequantes V. 
superantes. Pedicelli masc. ebracteolati, feminei in quoque racemo sepissime 
