STANDLEY TREES AND SHRUBS OF MEXICO. 687 



at apex ; capsule lobes elliptic-oblong, 3 to 4.5 cm. long, 2.5 cm. wide, rounded 

 at apex. " Bejuco Colorado." 



The tough stems are used for binding fences, the framework of houses, and 

 similar purposes. 



5. Hippocratea cMapensis Standi., sp. nov. 



Type from San Vicente, Chiapas {Goldman 888; U, S. Nat. Herb. no. 

 470689). 



Erect shrub or tree ; leaves oval or oval-elliptic, 4.5 to 7 cm. long, 3 to 

 4.5 cm. wide, rounded at apex and sometimes very shortly pointed, coriaceous, 

 bright green, short-petiolate ; branches of the inflorescence tomentulose ; flowers 

 8 mm. broad, the disk and petals glabrous ; capsule glabrous, the lobes broadly 

 obovate, about 6.5 cm. long and 5 cm. wide. 



6. Hippocratea rovirosae Standi., sp. nov. 



Type from Mayito, Tabasco (Rovirosa 411; U. S. Nat. Herb. no. 935856). 



Probably scandent, the branchlets slender, brown ; leaves short-petiolate, 

 oblong-obovate or narrowly elliptic-oblong, 3 to 5.5 cm. wide, short-acuminate 

 at apex, rather coarsely crenate, bright green ; panicles few-flowered, tomentu- 

 lose ; flowers 5 mm. broad, the petals obtuse, barbate within. 



7. Hippocratea excelsa H. B. K. Nov. Gen. & Sp. 5: 138. 1821. 



Type collected between Acapulco and Mazathin, Guerrero. Reported from 

 Panama. 



Tall tree ; leaves short-petiolate, elliptic-oblong, 7 to 7.5 cm. long, 3.5 cm. 

 wide, acuminate, undulate-crenate ; panicles many-flowered. 



8. Hippocratea elliptica H. B. K. Nov. Gen. & Sp. 5: 138. 1821. 

 Hippocratea meizantha Blake, Contr. Gray Herb. 52: 72, 1917. 



Guerrero and Morelos ; type collected between Taxco and Tepecoacuilco, 

 Guerrero. 



Scandent shrub ; leaves short-petiolate, elliptic or oval-elliptic, 5 to 9 cm. 

 long, 2.5 to 4 cm. wide, obtuse or acute, obscurely crenate-serrulate, bright 

 green ; petals barbate within. 



9. Hippocratea acutiflora DC. Prodr. 1: 568. 1824. 

 Described from Mexico, the locality not known. 



Scandent shrub ; leaves elongate-elliptic, 5 to 6.5 cm. long, 1.5 to 2 cm. wide, 

 acute, subserrate, bright green ; panicles 2.5 to 6.5 cm. long ; capsule lobes 

 obovate. 



85. STAPHYLEACEAE. Bladdernut Family. 



Trees or erect shrubs ; leaves opposite, usually pinnately compound, stipu- 

 late ; flowers perfect, in terminal or axillary racemes or panicles ; sepals 5 ; 

 stamens 5; ovary usually 3-celled; fruit 3-celled, capsular or leathery and 

 indehiscent. 



Fruit thin, inflated and bladder-like; ovary 3-parted 1. STAPHYLEA. 



Fruit leathery, indehiscent; ovary 3-lobed 2. TURPINIA. 



1. STAPHYLEA L. Sp. PI. 270. 1753. 

 1. Staphylea pringlei S. Wats. Proc. Amer. Acad, 25: 146. 1890. 



Nuevo Le6n to Hidalgo ; type from the Sierra Madre, near Monterrey, 

 Nuevo Le6n. 



Large shrub or small tree, 4.5 to 6 meters high ; leaflets 3, oval-elliptic, 5 to 

 10 cm. long, 3 to 6 cm. wide, cuspidate-acuminate, finely serrulate, villosulous 

 beneath when young but soon glabrate ; flowers white, the panicles often 



