72 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Trunk tall, sometimes 24 meters high ; leaves large, the blades about 1.2 to 

 1.3 meters long; inflorescence 30 to 70 cm. long, composed of several short 

 panicles; fruit globose, 8 to 10 mm. in diameter. " Huano," " xaan " (Yuca- 

 t&n). Known in Cuba as " palma de guano," " cana," " japa," or " miraguano." 



3. Inodes uresana (Trel.) Cook, Bull. Torrey Club 28: 534. 1901. 

 Sahal uresana Trel. Rep. Mo. Bot. Gard. 12: 79. pi. 35-S7. 1901. 

 Vicinity of Ures, Sonora. 



Trunk 5 to 10 meters high, about 30 cm. in diameter, naked ; leaves very- 

 glaucous, on long unarmed petioles, the blades about 1 meter long; fruit 

 depressed-globose, 15 to 20 mm. in diameter, green or dirty brown and some- 

 what lustrous. 



4. Inodes rosei' Cook, Bull. Torrey Club 28: 534. 1901. 

 Sabal rosei Becc. Webbia 2: 83. 1907. 



In the coastal plain, Tepic and southern Sinaloa; type from Acaponeta, 

 Tepic. 



Six to 12 or even 18 meters high, the trunk slender, naked, 15 to 20 cm. 

 thick ; leaves numerous, the blades pale gi'een, 80 cm. wide or larger ; inflores- 

 cence 60 cm. long or longer ; fruit globose, about 1.8 cm. in diameter, blackish 

 or dark blue. 



5. Inodes texana Cook, Bull. Torrey Club 28: 534. 1901. 

 Sabal texana Becc. Webbia 2: 78. 1907. 

 Tamaulipas. Southwestern Texas (type locality). 



Trunk tall, naked ; spadices about 75 cm. long, copiously branched ; flowers 

 white, with a honey-like odor ; fmit globose, 1.5 to 2 cm. in diameter. " Palma 

 real," "palma de micheros" (Tamaulipas). 



The leaves are used for thatching and for chair seats. The flowers are much 

 frequented by bees. The fruits, known as " micheros," are said to be edible. 



3. WASHINGTONIA Wendl. Bot. Zeit. 37: 68. 3879. 



References: Parish, Bot. Gaz. 44: -408-434. f. 1-12. 1907; Goldman, Contr. 

 U. S. Nat. Herb. 16: 316. 1916; Parish, Bot. Gaz. 46: 144r-147. /. 1-5. 1908; 

 Parish, Bot. Gaz. 48: 462^63. 1909. 



Plants usually with tall trunks ; leaves flabelliform, deeply divided, the mar- 

 gins of the leaves usually separating into drooping fibers; fruit drupaceous. 



Petiole obtuse at the junction with the blade 1. W. sonorae. 



Petiole acuminately prolonged into the blade. 



Leaf blad&s nearly or quite without filaments 2. W. gracilis. 



Leaf blades copiously filiferous 3. W. filifera. 



1. ■Washingtonia sonorae S. Wats. Proc. Amer. Acad. 24: 79. 1889. 



Dry plains and canyons, Sonora and southern Baja California ; type- from 

 canyons near Guaymas, Sonora. 



Trunk reaching a height of 7.5 meters or more; leaves about a meter broad, 

 somewhat glaucous, copiously filiferous; petioles armed with stout curved 

 spines ; inflorescence 1.5 to 1.8 meters long ; fruit about 6 mm. in diameter, said 

 to be used for food. In Baja California three distinct forms, known as 

 " palma blanca," " palma colorada," and " palma negra," are recognized by the 

 natives. 



* Named for Dr. J. N. Rose (1862-), Associate Curator of the U. S. 

 National Herbarium. Dr. Rose has collected extensively in nearly all parts of 

 Mexico, and has obtained a very large series of specimens, which are in the 

 National Herbarium. He has published many papere dealing with Mexican 

 plants. 



