CATALOGUE. 75 



Annual, stem erect, smoothish, or with a few scattering hairs ; lower leaves 

 small, roundish, crenate ; stem-leaves long, petioled, thin, irregularly deeply 

 cleft or strongly halbert-shaped ; flowers axillary, sky-blue, J-f ' in diam- 

 eter (apparently resembling A. parviflora, Cav.). Calyx-lobes twice as long 

 as the tube and distinctly bristly hirsute. Much against my will, I am 

 obliged to retain this still as a variety, there being, so far as I can dis- 

 cover, little deviation from the typical form save in the size of the flowers. 

 Camp Crittenden, Southern Arizona, at 5,200 feet altitude. (666.) 



Var. parviflora, Gray. — A low annual, 3-6' high, with a few ovate, 

 crenate leaves on long petioles, was collected by Dr. Loew at some locality 

 in Arizona. (165 a.) 



Sida hedereacea, Toit. (in PI. Fendl. p. 23). — Loew. NewMexico, Utah. 



Sida lepidota, Gray (PI. Wright. 1, p. 18). — A much-branching, 

 prostrate species, from a descending root; leaves petioled, triangular- 

 cordate or somewhat hastate (quite variable), at first densely covered with 

 a stellate pubescence below and scurfy above; peduncles axillary, bearing a 

 single purple flower 8" in diameter. Carpels with a short, obtuse beak. ■ 

 Deer Spring, Ariz., 6,000 feet altitude. (188.) 



Sida filiformis, Moric. var. — Stems thin, wire-like, procumbent or 

 ascending, with long white hairs scattered along the stem and on the calyx ; 

 petioles 3"-l' long ; leaves 6-12" long, lanceolate to oval, usually crenately 

 serrate and more or less densely covered on either side with a short, stellate 

 pubescence ; calyx angular, lobes acuminate, nearly as long as the yellow 

 petals; carpels moderately beaked. (665.) Sanoita Valley, Arizona. 

 From Camp Bowie, I have a form which is much more hairy, has leaves larger 

 in all respects, and almost beakless carpels. (470.) I have a full suite of 

 specimens, and am unable to connect these forms. Hence, I believe they 

 will, as we know them better, be regarded as distinct. 



SpHyERALCEA acerifolia, Nutt. — "Minutely roughish-tomentose, with 

 a stellate pubescence; leaves 5-lobed, somewhat cordate; the lobes acute, 

 toothed, unequally serrate; peduncles aggregated, terminal; carpels 12-14, 

 pointless. — Stem much branched. Leaves 2-2£' long, and about the same 

 in width : petioles about £ of the length of the lamina. Flowers 3-4 

 together at the summit of the branches. Bracteoles linear-lanceolate. 



