JANUARY 1 TO DECEMBER 31, 1957 109 



238600 to 238639— Continued 



238601 to 238617. Dioscorea composita Hemsl. Dioscoreaceae. Yam. 



238601. Col. No. 16437. East of San Andres Tuxtla, Veracruz. 

 238602 to 238609. Rio Papaloapan, Veracruz. 



238602. Col. No. 16438. 238606. Col. No. 16442. 



238603. Col. No. 16439. 238607. Col. No. 16443. 



238604. Col. No. 16440. 238608. Col. No. 16444. 



238605. Col. No. 16441. 238609. Col. No. 16445. 

 238610 to 238612. Rancho del Carmen, south of Tierra Blanca, Veracruz. 



238610. Col. No. 16446. 



238611. Col. No. 16447. 



238612. Col. No. 16448. 



238613 to 238617. Tierra Blanca, Veracruz. 



238613. Col. No. 16450. 238616. Col. No. 16453. 



238614. Col. No. 16451. 238617. Col. No. 16454. 



238615. Col. No. 16452. 



238618. Dioscorea floribunda Mart. & Gal. Yam. 



Col. No. 16455. Tierra Blanca, Veracruz. 

 238619 to 238636. Dioscorea spiculiflora Hemsl. Yam. 



238619. Col. No. 56B. Above Tuxtla Gutierrez, Chiapas. 



238620 to 238622. Colonia Grijalvo near Chiapa, Chiapas. Elevation 

 2,400 feet. 



238620. Col. No. 16399. 



238621. Col. No. 16401. 



238622. Col. No. 16402. 



238623 to 238625. Thorn forest of Cardenez, along road to Villa Flores 

 Chiapas. Limestone soil. 



238623. Col. No. 16405. 



238624. Col. No. 16406. 



238625. Col. No. 16407. 



238626 to 238628. Rancho Reforma along road to Villa Flores, Chiapas. 



238626. Col. No. 16412. 



238627. Col. No. 16413. 



238628. Col. No. 16414. 



238629 to 238635. East of Cardenez, along road to Villa Flores, Chiapas. 



238629. Col. No. 16420. 238633. Col. No. 16426. 



238630. Col. No. 16421. 238634. Col. No. 16427. 



238631. Col. No. 16424. 238635. Col. No. 16428. 



238632. Col. No. 16425. 



238636. Col. No. 10431. Above Rio Chiapa, along road to Cupia, Chiapas. 

 238637. Dioscorea sp. 



Col. No. 57B. Sierra Sumidera, above Tuxtla Gutierrez, Chiapas. Roots 

 yellow. 



