57O PATAGONIAN EXPEDITIONS'. BOTANY. 



2. ABUTILON VIDALII (Ph. sub Cristaria] Speg. (Plate XXI, A.} 



Low shrub ; with ash-colored branches and stellately tomentose petioles 

 and peduncles. Leaves cordate, oblong-ovate, obscurely 3-lobed, cre- 

 nate, 1 2 by 9 mm. Calyx large ; its lobes broad-triangular, 2-3-toothed 

 on both sides. Corolla twice as long as the calyx. Capsule 5-celled, the 

 carpels prolonged at the external angle to one appendage. Seeds 2-3 in 

 each cell. 



S. Patagon., by Rio Sta. Cruz (Hatcher) ; Chubut, in plain near Lago 

 Musters. Leaves large, with rounded, deeply cut lobes. Teeth of calyx- 

 lobes everted. Dense stellate pubescence over the leaves and the calyx. 

 Corolla purplish-pink. No calyculus on Hatcher's specimens. 



2. SPH^ERALCEA St. Hil. 



Herbs or shrubs. Bracteoles 3, distinct or partly united. Calyx 

 5-parted more or less deeply. Carpels 5-many, each 2-3-ovuled, separat- 

 ing from the axis when ripe, not septate between the seeds. Styles as 

 many as the carpels. Seeds reniform. 



Species 30, America and S. Africa. 



i. S. AUSTRALIS Speg. 



Perennial shrub branching from the base, the branches slender, arcuate- 

 ascending, flexuose, subsimple, becoming glabrate. Leaves remote, pin- 

 natipartite, the segments lobed or toothed, obtuse, hoary on under sur- 

 face, green and subglabrate above. Flowers in the upper axils, solitary 

 or ternate, subsessile. Calyx 5-parted ; sepals lanceolate, acute, appressed, 

 silvery-hoary. Corolla large, glabrous, livid. Ovary tomentose ; carpels 

 generally 2-seeded, not aristate. 



Patagon., in dry places by Rio Chubut, and between Rio Negro and 

 Rio Colorado. The hairs all stellate. Root long (50-150 cm.), branches 

 15-75 cm. high. 



2. S. BONARIENSIS (Cav.) Griseb. 



Stems 30 cm. long, ascending-suffrutescent ; flowers crowded in the 

 axils and approximate at the apex. 

 Argentina. 



