j. v - l^JLJ. 



Isotoma Vernonia. 619 



II. Vernonia Schieb. 



2. V. phyllostacbya (Cass.) Gleason in Bull. \. York Bot. Gard. 

 IV (1906) p. 176. Lepidaploa phyllostachya Cass. in Dict. Sc. nat. 

 XXVI (1823) p. 16. - Vernonia arborcscens DC. Prodr. V (1836) p 48 

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

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

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

 Sesse 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 grarainosis et ad Pueblo-viejo in 

 pratis, prope Aibonito ad Algarrobo, prope Coarao in moute Santana, 

 prope Utuado ad margines sylvarum circa Santa Isabel, prope Maricao 

 in convalli flurainis, prope Yauco in monte Duey, prope Mayagez 

 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 lc. 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 Sabaua 

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

 n. 593, Sintenis n. 389, 390 c , 3929, 5915, Stahl' n. 237. * 



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

 An species propria? 



Planta 1 2 m. alta. Flores pallide violacei, VII. 



Prope Penuelas in declivibus umbrosis montis Llano: Sintenis 

 n. 4749. St. Jan. 



3. V. venusta Gleason in Bull. X.York Bot. Gard. IV (I906)p.l77. 

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



4. V. borinquensis Urb. Symb. III (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. I, 

 IH, XL 



Sierra de Juncos in graminosis apricis montis Guvuy, prope 

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

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

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

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



