STANDLEY TEEES AND SHRUBS OF MEXICO. 685 



2. Perrottetia longistylis Rose, Contr. U. S. Nat. Herb. 5: 110. 1897. 



Veracruz, Oaxaca, and Chiapas; type from Izhuatlancillo, near Orizaba, 

 Veracruz. Guatemala. 



Leaves oblong or oblong-ovate, 7 to 20 cm. long, 3 to 8 cm. wide, acuminate, 

 serrulate, finely puberulent beneath or glabrate ; panicles equaling or shorter 

 than the leaves. 



Reported by Hemsley as P. quindiuensis H. B. K. 



16, ELAEODENDRON Jacq. Nov. Act. Helv. Phys. Math. 1: 36. 1787. 



1. Elaeodendron xylocarpum (Vent.) DC. Prodr. 2: 11. 1825. 



Cassine xylocarpa Vent. Choix PI. Cels 23. pi. 23. 1803. 



Elaeodendron xylocarpum continentulc Harms & Loes. Bot. Jahrb. Engler 29: 

 98. 1900. 



Veracruz; Tres Marias Islands (?). West Indies; Mujeres Island. 



Shrub or tree, sometimes 10 meters high, glabrous throughout ; leaves short- 

 petiolate, obovate to elliptic-oblong or rounded, 4 to 13 cm. long, acute or 

 obtuse, acute to rounded at base, coriaceous, obscurely serrulate or crenulate, 

 often pale ; petals white, about 3 mm. long ; fruit globose or obovate, 1 to 3 cm. 

 long, yellow or orange . " Guayarrote," " coscorron," " cocorron " (Porto Rico) ; 

 " piiiipiiai," " pinipiniche " (Cuba). 



The vernacular name of the Tres Marias Islands plant is given as " mano de 

 leon." 



84. HIPPOCRATEACEAE. Hippocratea Family. 



1. HIPPOCRATEA L. Sp. PI. 1191. 1753. 



Reference : Miers, On the Hippocrateaceae of South America, Trans. Linn. 

 Soc. Bot. 28: 319-432. pi. 16-32. 1872. 



Trees or shrubs, often scandent ; leaves opposite, persistent, petiolate, entire 

 or toothed ; stipules small, caducous ; flowers small, greenish, in axillary cymes 

 or panicles; calyx 5-parted; petals usually 5, spreading, valvate or imbricate; 

 stamens 3; fruit a large capsule, strongly compressed vertically, 3-lobed or of 

 3-carpels, the carpels coriaceous, bivalvate along the middle ; seeds 2 to 6 in 

 each cell, large, compressed, broadly winged. 



Hippocratea volubiUs L. {H. ovata Lam.; H. scandens Jacq.) has been re- 

 ported from Mexico, but no specimens have been seen by the writer. It is 

 a West Indian species, with edible seeds. The seeds yield an odorless color- 

 less oil. The plant is reputed to have pectoral properties, and it is one of the 

 West Indian remedies for snake bites. 



Branches of the inflorescence glabrous or very sparsely and obscurely puberu- 

 lent, slender ; inflorescence long, much branched, many-flowered ; branchlets 

 glabrous. 

 Leaves mostly elliptic or oblong-elliptic, 3 to 7 cm. wide, broadest about the 

 middle, usually acute or short-acuminate; cynies much shorter than the 



leaves 1. H. celastroides. 



Leaves obovate-oblong or oblanceolate-oblong, 1 to 3.5 cm. wide, broadest to- 

 ward the apex, usually rounded or obtuse at apex; cymes often longer 



than the leaves 2. H. acapulcensis. 



Branches of the inflorescence densely puberulent or tomentulose, stout inflor- 

 escence short and comparatively few-flowered ; branchlets often densely 

 puberulent. 

 Leaves scaberulous on the upper surface, pubescent beneath, at least when 

 young 3. H. uniflora. 



