364 PROCEEDINGS OP THE AMERICAN ACADEMY 



attenuated to the base, 2 to 2^ inches long, 3 or 4 Hnes broad, — In 

 thickets, Oakland Hills, Bolander and Dr. Torrey in 180") ; Angel 

 Island, G. R. Vasey, 1876 ; Del Norte County, T. J. Howell, 1884 ; 

 liutte County, Mrs. John Bidwell, a very broad-leaved form ; Union 

 County, Oregon, W. C. Cusick. This species has been confounded 

 with the last, but may be distinguished by the want of pubescence, the 

 less narrow and often obtuse leaves, the longer calyx-teeth, and purple 

 flowers. 



Calliandra Schottii, Torrey in herb. This species, which is 

 doubtfully referred in the Botany of the Mexican Boundary to C. Por- 

 toricensis, has been again collected by Mr. Pringle in the Santa Cata- 

 liua Mountains, Arizona, but still without fruit. The specimens are 

 finely pubescent througiiout, branches elongated, the leaflets -4 to 7 

 pairs, acutish, 2 or 3 lines long, and stipulates subulate, \\ lines long; 

 otherwise as described by Dr. Torrey. 



CoWANiA IIavaupi. A much-branched shrub, 2 or 3 feet higli, 

 with rough grayish brown bark : leaves distichously fascicled at the 

 ends of the numerous very short branchlets, entire, revolute-terete, 

 white-tomentose below, glabrous above, spinulose-apiculate, 2 or 3 lines 

 long : flowers solitary on the branchlets, shortly pedicellate ; calyx- 

 tube glandular-hispid, the short lobes oblong-ovate ; petals white or 

 yellowish, 3 or 4 lines long : carpels 8, with the plumose tails an 

 inch long or less. — On a rocky mountain west of Tornillo Creek, 

 W. Texas, by Dr. V. Ilavard, U. S. A., August, 1883, in flower and 

 fruit. 



IIORKELiA SERiCATA. Perennial, cespitose, not glandular : radical 

 leaves densely white-silky, the numerous crowded leaflets 2 or 3 lines 

 long, oblong or obovate, unequally bifid : flowering stems slender, 

 a foot high, the few short leaves with linear entire or bifid leaflets ; 

 cymes open and few-flowered: calyx silky, with narrowly lanceolate 

 acuminate lobes, the narrower appendages nearly as long ; petals nar- 

 row'ly obcordate, white tinged with pink: stamens 10, subulate, short: 

 carpels 5 ; styles filiform : receptacle somewhat villous. — On the sum- 

 mit of the Coast Range in Curry County, Southwestern Oregon, by 

 Thomas Howell, June, 1884. 



IvESiA PINNATIFIDA. Caudcx thick, with very short stout branches : 

 leaves pinnate, villous, the leaflets (.', to 1 inch long) deeply' pinnatifid 

 and segments linear : stems sparingly leafy, bearing an open panicle, 

 G inches high ; flowers solitary, on pr^dicels nearly a half-inch long : 

 calyx-lob< 8 lanceolate, the accessory lobes sliglitly narrower and 

 shorter: stamens 20: carpels numerous. — Abundant in meadows 



