78 CONTRIBUTIONS FROM THE NATIONAL, HERBARIUM. 



Caudex procumbent; leaves about 40 cm. long 11. C. pygmaea. 



Caudex erect ; leaves more than 40 cm. long. 

 Pinnae 12.5 to 17 cm. long, 6 to 8 mm. wide. 



12. C. cataractarum. 



Pinnae 30 cm. long, 2.5 to 3.3 cm. wide 13. C. oreophila. 



Fruit 1-celled. 



Leaves simple, bifid; spadices simple 14. C. tenella. 



I-eaves pinnate; spadices usually branched. 

 Caudex very long, flexuous, subcandent. 



Pinnae partly hooked at the apex, some of them opposite. 



15. C. elatior. 



Pinnae not hooked at the apex, all alternate 16. C. aflanis. 



Caudex erect. 



Pinnae few (5 to 12 on each side), trapezoid or oblong. 



Staminate flowers oblong ; segments of the inner perianth 



free at the apex 17. C. lunata- 



Staminate flowers subglobose; segments of the inner peri- 

 * anth adnate at the apex. 



Pinnae about 5 on each side 18. C. lindeniana. 



Pinnae 10 to 12 on each side 19. C. schiedeana. 



Pinnae numerous, elongate-lanceolate or linear-lanceolate. 

 Pinnae approximate in clusters along the rachis. 



20. C. klotzscMana. 

 Pinpae evenly distributed along the rachis. 



Leaf blades short, 45 to 60 cm. long 21. C radicalis. 



Leaf blades large, 1 to 2 meters long. 



Pinnae 45 to 50 cm. long, about 2.5 cm. wide ; caudex 



very short 22. C. montana. 



Pinnae about 30 cm. long, 2 to 3.5 cm. wide ; caudex 

 elongate. 



Pinnae 3 to 3.7 wide 23. C. karwinskiana. 



Pinnae 0.8 to 2 cm. wide. 



Pinnae about 2 cm. wide 24. C. pochutlensis. 



Pinnae about 1 cm. wide 25. C. graminifolia. 



1. Chamaedorea martiana Wendl. Allg. Gartenz. 21: 137. 1853. 

 Native of Mexico, the locality not known. 



Caudex short, repent, dichotomous ; leaves long-petiolate, pinnate, the pinnae 

 numerous, small, linear ; spadices short-pedunculate, simply branched. 



2. Chamaedorea alternans Wendl. Gartenflora 29: 104. 1880. 

 Chiapas. 



Caudex up to 3 meters high, 3 cm. thick, the nodes 4 to 8 cm. apart ; leaves 

 4 or 5, 1.75 meters long, the petiole 35 cm. long, the blades pinnate, the pinnae 

 about 8 on each side, elliptic-lanceolate, acuminate, the middle ones 40 to 50 

 cm. long, 11 to 14 cm. wide ; pistillate spadix 40 to 50 cm. long, with 9 to 13 

 branches. 



3. Chamaedorea tepejilote Liebm. ; Mart. Hist. Nat. Palm. 3: 308. 1836-50. 

 Described from " Matlaluca, S. Maria, Orizaba." 



Caudex 1.2 to 1.8 meters high, thick, closely annulate ; leaf blades 1.2 meters 

 long, the pinnae 32 to 37 cm. long, 3.5 cm. wide, numerous, alternate, narrowly 

 lanceolate, subfalcate, acute; spadices simply branched, borne among the 

 younger leaves; fruit oblong-ovoid, 16 mm. long, 6 mm. thick, black. "Tepe- 

 jilote." 

 . The unopened spathos are cooked and eaten like asparagus. 



