238] Rutaceae. 513 



Ptelea wrightiana Greene 1. c. p. 58. — ibid. (Wright n. 82). 



P antonina Greene 1. c. p. 59. — ibid. 



P. formosa Greene 1. c. p. 59. — New Mexiko (Wooton n. 057). 



P. rillosula Greene 1. c. p. 60. — ibid. (Wooton n. 134). 



P. tortnosa Greene 1. c. p. 60. — Northern Arizona (Leiberg n. 5822). 



P. subintegra Greene 1. c. p. 61. — Mexiko (Palmer n. 846). 



P. coahuilensis Greene 1. c. p. 61. — ibid. (Pringle n. 1937). 



P. obtusata Greene 1. c. p. 61. — ibid. (Palmer n. 146). 



P. pumila Greene 1. c. p. 61. — ibid. (Palmer n. 391). 



P. scutellata Greene 1. c. p. 62. — ibid. (Pringle n. 940). 



P. cuspidata Greene 1. c. p. 62. — ibid. (Nat. Herbarium sheet 130319). 



P. undtdata Greene 1. c. p. 62. — New Mexiko (Rusby n. 111). 



P. cognata Greene 1. c. p. 62. — Arizona. 



P. crenata Greene 1. c. p. 63. — ibid. 



P. jucunda Greene 1. c. p. 63. — ibid. (Mearns n. 383). 



P. sancta Greene 1. c. p. 63. — Mexiko. 



P. parvula Greene 1. c. p. 64. — New Mexiko (Wooton n. 658). 

 P. glauca Greene 1. c. p. 64. — Mexiko (Palmer n. 152). 



P monticola Greene 1. c. p. 64. — Texas. 



P. betulifolia Greene 1. c. p. 64. — Arizona (Palmer n. 428). 



P. attrita Greene 1. c. p. 65. — ibid. (Rothrock n. 499). 



P. simüis Greene 1. c. p. 65. — ibid. 



P. polyadenia Greene 1. c. p. 65. — Oklahoma, Mexiko. 



P aboriginum Greene 1. c. p. 66. — Indian Territory (Sheldon n. 247). 



P lucida Greene 1. c. p. 66. — Texas (Reverchon n. 2229). 



P. persicifolia Greene 1. c. p. 67. — Oklahoma, Mexiko. 



P snbvestita Greene 1. c. p. 67. — New Mexiko. 



P. padifolia Greene 1. c. p. 67. — Western-Texas (Tracy and Earle n. 272). 



P. neo-mexicana Greene 1. c. p. 68. — New Mexiko (Metcalfe n. 1479). 



P. acutifolia Greene et Rose 1. c. p. 68. — Mexiko (Rose n. 2580). 



P. megacarpa Rose apud Greeüe, Ptelea in the West and Southwest 1. c. p. 68. 



— ibid. (Pringle n. 8868). 

 P. laetissima Greene and Rose 1. c. p. 69. — ibid. (Rose, Painter et Rose 



n. 9927). 

 P. verrucosa Greene 1. c. p. 69. — ibid. (Nat. Herb, sheet n. 624). 

 P. ambigens Greene 1. c. p. 69. — Utah. 

 P. nitens Greene 1. c. p. 70. — Colorado. 

 P. pallida Greene 1. c. p. 70. — Arizona. 

 P. straminea Greene 1. c. p. 70. — ibid. (Purpus n. 6165). 

 P nitida Greene in Contr. ü. St. Nat. Herb. Washington X (1906). p. 71. — 



Arizona. 

 P. argentea Greene 1. c. p. 71. — Colorado. 

 P neglecta Greene 1. c. p. 71. — Utah. 

 P. triptera Greene 1. c. p. 71. — Arizona. 

 P. lutescens Greene 1. c. p. 72. — ibid. 

 P elegans Greene 1. c. p. 72. — ibid. 

 P. confinis Greene 1. c. p. 72. — Texas. 

 P. saligna Greene 1. c. p. 73. — Arizona (Jones n. 6048). 

 P breristglis Greene 1. c. p. 73. — California (Nat. Herb, sheet n. 321). 

 P ovalifolia Greene 1. c. p. 73. — ibid. 



Botanischer Jahresbericht XXXVI (1908) 2. Abt. [Gedruckt 9. 7. 10.) 33 



