67 



The West American Scientist 



6<r 



A COCCTXEUS BrZoe2 72 



?$ csespitose densely white-hirsute petioles 

 nearly as long as the leaves; leaflets, 12-15oval 

 to obovate, obtuse, (5-10 mm long; stipules tri- 

 angular-laneeolate: peduncles consi lerably 

 surpassing the leaves; fls numerous shortly 

 pedicellate, clustered near the top; calyx cyl- 

 indrical slender, the linear nearly equal teeth 

 % the length of the tube: corolla spreading, 

 bright red, 35-40 mm long, double the length 

 of the calyx; banner lanceolate: the oblong 

 keel equalling it in length, very shallow & lit- 

 tle curved not hiding the stamens, which are 

 free for nearly % their length; keel & banner 

 barely emarginate: pods an inch long resem- 

 bling A. Purshii, but not mature & exactshape 

 therefore not determinable." Or j e mj 



A purshii ? coccineus Py W 7 10 



A grandiflorus Wat Am ac pr 18 370 non PajL. 

 A pycnostachyus G da 5 

 A ■ nuttallianus DC Ordj 

 A circumdatus He 

 A gambellianus Sheldon Or63j d 



A didy mocarpus da 5 &c non i -A 



A antiselli G da 5 

 A tener G da 5 



Genus OMEYA A. Gray.. 



OLNEYA TESOTA A. Gray. 



Iron wood, palo hierro, una de gato; a beau- 

 tiful tree, characteristic of the desert regions; 

 the wood is of great density, rich, dark color,. 

 t iking an extremely fine polish, when dry an 

 axe makes slight impression. j e z 



Genus VICIA Tournefort. 



VICIA EXIGUA Nutt. 

 Vicia americana Muhl da 5 

 Vicia linearis Ge da 5 

 Vicia sativa L da 5 



VICIA THURBKRI Watson Am ac pr 25 129 

 "(5), about 1° high, the young leaves, etc., 

 pubescent, becoming glabrous: leaflets 4-12, 

 narrowly linear, acute, 3-7 lines long; stipules 

 small, subulate-lanceolate or linear, not at all 

 sagittate, entire: peduncles short (3-6" long), 

 bearing 1 or rarely 2 small w or purplish fls: 

 calyx nearly glabrous, the teeth rather short- 

 acuminate: pods glabrous, sessile, oblong, ob- 

 liquely acute at each end, about 9" long by 2% 

 -3 broad, 5-7 ovuled. From southern Utah & 

 Colo to z & n" — Watson. 



VICIA HASSEI S. Watson. 



"Often tall: leaflets 3-6 pairs, linear to 

 narrowly oblong, acute or obtuse and apic- 

 ulate, or more frequently truncate and 

 emarginate or toothed at the apex; stipu- 

 les semi-sagittate with the rather broad 

 lower lobe usually 2-4-toothed: peduncles 



6-15" long, 1-fl. or sometimes remotely 

 2-11.: pod more attenuate at each end and' 

 short-stipitate,. 5-9-ovuled, 9-16" long. 

 On open grassy hills about Los Angeles, 

 California, growing with V. exigua; Dr. 

 H. E. Hasse.Also collected at Santa Cruz 

 by Dr.. C. L. Anderson, at Benicia by Dr. 

 Bigelow (V. exigua var (?) California. 

 Torr. in Pac. Railroad Rep. 4.76), and on 

 Guadelupe Island by Dr. Palmer."— S. 

 Watson, Proc. Am. Acad., xxv. 129-130 

 (Sept. 25, 1890). 



Genus ACACIA Willd. 



ACACIA GREOGII A. Gray. 



Acacia Parnesiana Willd.— Dr. Har- 

 vard classes this among the medicinal 

 plants of Texas, probably because "a 

 decoction of the pod contains tannin.'" 



Genus CASSIA Linnaeus. 

 CASSIA COVESII A. Gray. 



Genus LATHYRUS Linnaeus. 



LATIYKUS WA'iSONI White he 75 



''Lathy rus californicus. Stem stout, tall <fe 

 more or less winged: stipules semi-sagittate,, 

 dilated a often coarsely toothed, or the upper 

 narrower; leaflets 3-7 pairs, ovate oblong to 

 linear-lanceolate, %-2' long or more, acute or! 

 acuminate softly pubescent on both sides, as 

 also the rachis: peduncles stout, nearly equal- 

 ing the leaves, many fl'ed: calyx teeth short 

 (the lower 2" long or less); petals 7-9" long, ap-- 

 pai*ently y'ish or pinkish: pod linear, 2' long 

 by 3" broad, attenuate at base to a stipe."- A at 

 Am ac pr 20 363, he 73, < r 7* d 

 l, venosus Muhl of former lists. 



LATHTRUS SPLENDENS Kellogg. 



Pride of California, distinguished for its pro- - 

 fusion of large brilliant rose red to crimson 

 fls borne in clusters of 10 or more the 2d year 

 from seed — the most magnificent of the native 

 climbing plants of West America. Or d, 76 j 

 Also of promise as a forage plant; half-hardy. 



Genus PARKINSONIA Linnaeus. 



PARKINSONIA TORREYANA S. Wat. 



Parkinsonia Aculeata L. — Valued by 

 the Mexican Indians as a febrifuge and 

 suborific, and also as a remedy in epi- 

 lepsy (fide Schott). See Proc. U. S. 

 Nat. Mus. VIII. 501. 



Genus PROSOPIS Linnaeus. 

 PROSOPIS JULIFLORA D. C. 



The mesquite is the most abundant 

 desert tree, rarely over 20 feet high, 



