Isotoma — Vernonia. 619 



II. Vernonia Schreb. 



2. V. phyllostachya (Cass.) Gleason in Bull. N. York Bot. Gard. 

 IV (1906) p. 176. — Lepidaploa phyllostachya Cass, in Diet. Sc. nat. 

 XXVI (1823) p. 16. — Vernonia arborescem DC. Prodr. V (1836) p 48 

 (p.p., non Sw.); Bello! Ap. I p. 283 n.415; Krug Ic. t. 237; Stahl! 

 Est. V p. 103 (var. Lessingiana) — V. Berteriana DC. I.e. p. 52. — 

 Conyxa jwrtoricensis Bert. ! ap. DC. 1. c. p. 52. — Eupatorium sessile 

 Sess6 et Moc. Flor. Mex. II ed. (1894) p. 182. — Tapa-camino. 



Frutex 2 m Flores albi in roseum vergentes. Fl. et fr. II, III, 

 XI, XII. 



Prope Bayamon in campis et graminosis et ad Pueblo- viejo in 

 pratis, prope Aibonito ad Algarrobo, prope Coamo in monte Santana, 

 prope Utuado ad margines syl varum circa Santa Isabel, prope Maricao 

 in convalli fluminis, prope Yauco in monte Duey, prope Mayagiiez 

 in monte Mesa, prope Rincon in montibus ad Puntas et in sylva 

 ad Barrio del pueblo: Bertero, Heller n. 183, 4472, Krug n. 592, 

 Schwanecke n. 95, Sintenis n. 390, 390 b , 1154, 2936, 2936 b , 3632, 

 5522 b , 5642, 6145, Stahl n. 621. — Hispaniola, St Thomas, St. Croix 



(ex DC), St Jan. 



Var. foliis angustioribus lanceolatis usque linearibus. — V. Ber- 

 teriana Bello Ap. I (1881) p. 283 n. 416; Krug Ic. t. 236. 



Planta 0,5 — 2 m. Fl. et fr. I, III, XI, XII. 



Prope Bayamon, prope Utuado in fruticetis ad Los Angeles, 

 prope Maricao in monte Montoso et in convalli fluminis, prope Sabana 

 grande in fruticetis ad ripam fluminis Estero, prope Mayagiiez: Krug 

 n. 593, Sintenis n. 389, 390<\ 3929, 5915, Stahl n. 237. — * 



Var. foliis obovatis v. ellipticis, apice obtusis v. rotundatis. — 



An species propria? 



Planta 1-2 in. alta. Flores pallide violacei, VII. 



Prope Pefiuelas in declivibus umbrosis montis Llano: Sintenis 



n. 4749. — St. Jan. 



3. V. venusta Gleason in Bull. N.York Bot. Gard. IV (1906) p. 177. 



Prope Ponce: Heller n. 6136 (ex Gleas. 1. c). — * 



4. V. borinquensis Urb. Symb. Ill (1903) p. 390; Gleason 1. c. 

 p. 179. - ? V. rigida Bello Ap. I (1881) p. 283 n. 417 (non Sw.) 



Frutex 0,6-3 m. Flores albi in roseum vergentes. Fl. et fr. 1, 

 III, XL 



Sierra de Juncos in graminosis apricis montis Guvuy, prope 

 Utuado in marginibus sylvarum ad Paso palma, prope Lares m fruti- 

 cetis ad Jobo et ad margines viarum sylvae ad Anones, prope Maricao 

 ad margines sylvarum, prope Mayagiiez 160 m. alt.: Heller n. 4391, 

 Sintenis n. 388, 2659, 5884, 6079, 6362. — * 



