420 CONTEIBUTIONS FROM THE NATIONAL HERBARIUM. 



1. AbutHon parvulum A. Gray, PL Wright. 1: 21. 1852. 



Type locality: "Calcareous hills of the San Felipe and the San Pedro Rivers," 

 Texas. 



Range: Western Texas to Arizona, south into Mexico. 



New Mexico: Mangas Springs; Anton Chico; westof Roswell; Hondo Hill; Filmore 

 Canyon. Dry hills, in the Upper Sonoran Zone. 



2. Abutilon malacum S. Wats. Proc. Amer. Acad. 21: 446. 1886. 

 Type locality: Wilson County, western Texas. 



Range: Western Texas to southern New Mexico. 



New Mexico: Tor tu gas Mountain. Dry hills, in the Lower Sonoran Zone. 



A coarse, yellow-flowered plant, 1 meter high or less, with large velvety leaves. 

 In New Mexico it is known from but a single locality and is certainly rare, although 

 it may be expected in the mountains of the southwestern corner. 



3. Abutilon texense Torr. & Gray, Fl. N. Amer. 1: 231. 1838. 

 Ty'pe locality: Texas. 



Range: Central Texas to southern New Mexico. 



Neav Mexico: Hillsboro; Dog Spring. Upper Sonoran Zone. 



8. PHYMOSIA Desv. 



Tall herbaceous perennials, appearing glabrous, but pubescent; leaves large, 3 to 

 7-cleft; flowers in interrupted spikes' terminating the branches, large, rose or white, 

 3 to 5 cm. in diameter, carpels hispid or hu'sute and with fine stellate pubescence, 

 usually 3-seeded, not reticulated on the sides. 



1. Phymosia grandifloraRydb. Bull. Torrey Club 40: 60.1913. 

 SphaeralceagmndifloraKydh.Bnll.ToTreyCluh 31: 565. 1904. 

 Tyte locality: Mesa Verde, Colorado. , 

 Range: Colorado and northern New Mexico. 

 New Mexico: Sandia Mountains. 



9. SPHAEBALCEA St. Hil. 



Low or tall, coarse, perennial herbs with stellate jjubescence; leaves petioled, 

 various in outline, simple or dissected ; flowers in small axillary clusters or by reduc- 

 tion of the leaves forming naiTow crowded panicles; pedicels usually short; calyx 

 subtended by 2 or 3 bracts; fruit a capsule, consisting of numerous 2-ovuled, 1 or 

 2-seeded, 1 -celled carpels. 



key to the species. 



Leaves digitately 5-parted. 



Flowers solitary, on long slender pedicels I. S. tenuipes. 



Flowers fascicled, on short stout pedicels 2. S. pedata. 



Leaves 3-parted or simple, never 5-parted. 



Fruit depressed -globose; ujjper ovule usually not maturing; 

 mature carpels mostly reniform, completely deciduous 

 from the axis. 

 Leaves round-ovate, simple, or with 3 rounded lobes, ob- 

 tuse 3. S. marginata. 



Leaves subhastate, lanceolate, or pinnatifid, acute. 



Flowers 15 to 20 mm. long; leaves subhastate, silvery- 

 stellate 4. S. martii. 



Flowers 10 to 12 mm. long; leaves various. 



Pubescence very dense, fine, silvery, giving the 

 plants a whitish appearance; leaves pinna- 

 tifid 5. S. (jlabrescens. 



