PLANTS OP THE TRES MARIAS ISLANDS. 



8.§ 



Cordia souorae Kose. 



A recently described species from Soiioni. May 3 to '2~>, lS!t7 (No. 

 4207). 



Cordia insularis Greenman. 



Cordia innnlarh Grceum.in, Proc. Amcr. Ao;i(l. 33 : 483. 1898. 



Tlie original description is as follows: " Shrub 3 to 5.5 ni. high; .stems 

 and branches glabrous, reddish brown, conspicuously dotted with 

 numerous whitish lenticels; the extreme branchlets covered with hir- 

 .sute pubescence; leaves scattered, elliptic-ovate or sometimes slightly 

 obovate, 1.5 to 3 cm. long, 1 to 1.5 cm. broad, narrowed below into a 

 short petiole, obtuse, the upper portion more or less deeply creuate- 

 dentate, occasionally sharply toothed, entire toward the base, hispid 

 above, spreading hirsute-pubescent beneath, especially on the midrib 

 and veins; inflorescence capitulate; heads small (after the corolla has 

 fallen, about 5 mm. in diameter) ; iieduncles, during anthesis, 1 cm. or 

 less in length, covered with a spreading hirsute pubescence; calyx 2 

 mm. long, 5-dentate; teeth short, acute; corolla 3 mm. long, nearly 

 cylindrical, with short recurved lobes, externally glabrous, pubescent 

 inside along the line of the filaments, stamens included; style a little 

 exserted. Collected by E. W. Nelson on Maria Madre Island of the 

 Tres Marias group of islands. May 3 to 25, 1S97 (No. 4296)." 



Tournefoitia Candida Walp. 



Not previously in herbarium. May 3 to 25, 1897 (Nos. 4217 and 

 4229). 



Tournefortia cymosa L. 



I have only seen specimens from Guatemala. May 3 to 25, 1897 

 (No. 4189). 



Tournefortia velutina H. B. K. 



Eeported from the west coast of Mexico and Guatemala. May 3 to 

 25, 1897 (No. 4209). 



Heliotropium indicum L. 



Common in Mexico and most tr()i)ical countries. May 3 to 2.5, 1897 

 (No. 4253). 



Heliotropium curassavicum L. 



Common in Mexico and South America as well as in the Old World. 

 Reported in the United States as far north as Oregon and Virginia. 

 May 3 to 25, 1897 (No. 4313). 



Ipomoea bona-nox L. 



A common tropical plant extending into Florida. May 3 to 25, 1897 

 (No. 4269). 



Ipomoea pedunoularis Pertol. 



Common in Mexico and Central America. May 3 to 25,1897 (No. 

 4235). 



