STANDLEY TREES AND SHRUBS OF MEXICO. 759 



Shrub or herb, about a meter high ; leaves broadly cordate, 5 to 7.5 cm. 

 long, cuspidate-acuminate, crenulate, densely stellate-tomentose ; petals 10 to 

 12 mm. long ; carpels 8 to 10 mm. long, beaked. 



The same or a closely related plant, of which only imperfect material is 

 available, occurs in Tepic. 



5. Pseudabutilon lozani (Rose) R. E. Fries, Svensk. Vet. Akad. Handl. 43*: 



100. 1908. 



MHssadula lozani Rose, Contr. U. S. Nat. Herb. 10: 124. pi. 41. 1906. 



Type from El Carrizo, Nuevo Le6n. Also in western Texas. 



Leaves broadly cordate, 5 to 11 cm. long, acute or obtuse, crenulate, densely 

 stellate-tomentose ; petals yellow, 10 to 12 mm. long ; carpels 8 mm. long, short- 

 beaked. 



6. Pseudabutilon rosei R. E. Fries, Svensk. Vet. Akad. Handl. 43': 102. 1908. 

 Wissadula conferta T. S. Brandeg. Zoe 5: 250. 1908. 



Queretaro and Puebla ; type from TehuacSn, Puebla. 



Leaves broadly cordate, 6 to 12 cm. long, acute or obtuse, crenate, some- 

 times shallowly trilobate, densely stellate-tomentose; petals 8 mm. long; 

 carpels 6 mm. long, not beaked. 



7. BASTABDIA H. B. K. Nov. Gen. & Sp. 5: 254. 1821. 



Shrubs or herbs; leaves cordate, petiolate; flowers yellow, axillary, the 

 peduncles 1-flowered ; bractlets none ; carpels 5, 1-seeded. 



Carpels slender-beaked 1. B. bivalvis. 



Carpels not beaked 2. B. viscosa. 



1. Bastardia bivalvis (Cav.) H. B. K. Nov. Gen. & Sp. 5: 255. 1821. 



Sida bivalvis Cav. Monad. Diss. 13. pi. 11, f. 3. 1785. 



Bastardia herlandieri A. Gray, Proc. Amer. Acad. 22: 295. 1887. 



Michoacan to Oaxaca and Veracruz. Greater Antilles and South America. 



Slender shrub, 1.5 to 2.5 meters high, the branches tomentose and viscid- 

 pilose ; leaves ovate-cordate, 1.5 to 6 cm. long, obtuse to acuminate, crenulate, 

 densely stellate-tomentose beneath; petals about 8 mm. long; fruit 5-lobate, 8 

 mm. broad. 



2. Bastardia viscosa (L.) H. B. K. Nov. Gen. & Sp. 5: 256. 1821. 

 Sida viscosa L. Syst. Nat. ed. 10. 2 : 1145. 1759. 



Tamaulipas and Veracruz; reported from Guerrero. West Indies and South 

 America. 



Shrub or herb, 0.5 to 1 meter high, the branches viscid-pubescent; leaves 

 ovate-cordate, 2 to 6 cm. long, acuminate, sinuate-dentate, paler beneath and 

 stellate-tomentulose ; petals 6 mm. long ; fruit about 6 mm. wide. 



8. GAYA H. B. K. Nov. Gen. & Sp. 5: 266. 1821. 



Shrubs or herbs; leaves toothed; flowers yellowish or purplish, chiefly soli- 

 tary in the axils, sometimes racemose; carpels 8 or more, membranaceous, 

 bivalvate, 1-seeded. 



Carpels 25 to 30, 10 to 12 mm. long 1. G-. occidentalis. 



Carpels 8 to 14, 6 mm. long or less. 



Stems long-pilose 2. Q. violacea. 



Stems puberulent or short-pilose. 



Petals 5 to 6 mm. long 3. G. minutiflora. 



Petals 10 to 12 mm. long 4. G. calyptrata. 



