CATALOGUE. 83 



spinescent; leaves thick, evergreen, obovate, £' long; petiole 1-2" long, 

 glandularly denticulate ; flowers dioecious, apetalous, styles distinct above. 

 A thorny shrub with yellow wood, imparting its color to water." Arizona. 

 I have not seen the plant. 



Ceanothus Fendleri, Gray. — Shrub, with stiff, and often spine-tipped, 

 gray branches ; leaves thickish, tomentose pubescent beneath, smoother on 

 upper surface, lanceolate to oval, 5-12" long, usually cuneate at base, 

 petioles 1-3" long ; small white flowers in paniculate racemes terminating 

 the branches. New Mexico (143). Camp Apache, Ariz. (257), at 4,900 

 feet. 



AMPELIDE^. 



Vitis aestivalis, Michx., var. ? — "Resembling a common Texan and 

 New Mexican form ; perhaps V. Arizonica, Engelm. Arizona." — S. 

 Watson. 



Ampelopsis quinquefolia, Michx. ( Vitis, Bentham & Hooker, Gen. 

 Plant.)— New Mexico. (110.) 



SAPINDACEiE. 



Sapindus* marginatus, Willd.— Tree 10-30° high; leaves 4-8' long, 

 leaflets thickish, shining, plainly penninerved, lanceolate, tapering into a 

 long point, inequilateral, somewhat falcate; flowers in compound terminal 

 and axillary panicles ; fruit globose, 6" in diameter. Arizona, in the dryer 

 portions. (301.) "Soapberry." 



Acer glabrum, Torr.— Mountain streams of Colorado. The name A. 

 tripartitum, Nutt., would have been much more appropriate. (1.) 



Acrr grandidentatum, Nutt. — (303.) Ash Creek, Arizona, at 4,684 

 feet altitude. Utah. 



* Sapindus, Linu. — Flowers polygamous, regular. Sepals 4-5, 2-seried, imbricated. Petals 4-5, 

 naked or with 1-2 glabrous or villous scales within, produced iuto a claw above. Disk complete, 

 annular or elevated. Stamens 8-10 (rarely 4-7 or more), filaments free, frequently pilose; anthers 

 versatile. Ovary entire or 2-4-lobed, 2-4-celled ; style terminal, stigma 2-4-lobed ; ovules solitary in 

 each cell, ascending from the base of the interior augle. Fruit fleshy or coriaceous, with 1-2, (rarely) 3-4 

 cocci, which are oblong or globose and indehiscent. Seeds usually globose, destitute of an aril, testa 

 crut taceous or membranous; embryo straight or curved, cotyledons thick, radicle short. — Trees or shrubs. 

 Leives alternate, without stipules, simple, l-foliato,or abruptly pinnate, with the leaflets entire, or rarely 

 serial* Racemes or panicles cither terminal or axillary. Fruit dry or baccate.— Bentham <fc HoOKBB. 



