1922] 



PAYSON — STUDY OF THELYPODIUM AND ITS IMMEDIATE ALLIES OL / 



IVlexico '. 



Lower California: Topo, Sept. 8, 1884, Orcutt 945 (Mo. Bot 



Gard. Herb, and Univ. Calif. Herb.). 



la. Var. tenellum (Jones) Payson, n. comb. 



Thelypodium Wrightii Gray var. tenellum Jones, Proc. Calif 



Acad. II. 5:G22. 1895. 



Stems slender, leaves very thin, entire or with rounded lobes; 

 inflorescence in fruit much elongated ; pods very slender, torulose 



4-6 cm. long. 



Distribution: Utah. Type: M. E. Jones 5559 from Provo. 



Specimens examined : 



Utah: Provo Slate Canyon, July, 1894, Jones 5559 (Mo. Bot 

 Gard. Herb., Rky. Mt. Herb., and Univ. Calif. Herb.). 



List of Exsiccatae 



In the following index to the specimens cited the collector's 

 number, if one occurs, is printed in italics and is followed imme- 

 diately by a number in parenthesis. The latter number indi- 

 cates the serial number of the species involved as adopted in the 

 present study. The name of this species follows the parenthesis. 

 Generic abbreviations are as follows: C. (Caulanthus) ; Ch. 

 (Chlorocrambe) ; Stan. (Stanleyella) ; Strep. (Streptanthella) ; 

 T. (Thelypodium) and W. (Warea). 



1147 (18a) C lasiophyllus var. inalienus; 2699 (1) C. amplexicaulis; 

 3364 (15) C stenocarpus; 3573 (18) C. lasiophyllus. 



Angier, B. S. 



79 (13) G. hetcrophyllus ; 196 (18) C lasiophyllus. 



Austin, R. M. 



(4) T. Howellii. 

 E. N. B. 



(14a) T. lilacinum var. subumbellatum. 



Baker, C. F. .„.,.,. 



362 (1) Strep, longirostris; 459 (18) C. lasiophyllus; 635 (14) T. lilacinum; 



1020 (10b) T. laciniatum var. milleflorum ; 1191 and 1218 (3) T. crispum; 



2629, 2791 (18) C. lasiophyllus; (7) T. sagittatum. 

 Baker, C. F., Earle, F. S. & Tracy, S. M. 



510 (1) Stan. Wrightii. 

 Baker, H. P. 



(14) T. lilacinum. 

 Baker, M. S. & Nutting, F. 



(3) T. crispum; (4) T. Howellii. 



Barber, J. H. 



A7 (17) C. anceps; (18) 0. lasiophyllus; (12) C. Lemmonii. 



Beard, A. 



(18c) C lasiophyllus var. utahensis; (1) Strep, longirostris. 



Bennitt, D. 



