376 BORAGINEA. 
17. Heliotropium oaxacanum, DC. Prodr. ix. p. 543. 
Soura Mxxico, between Tehuantepec and the Pacific, Oaxaca (Andrieuz). 
18. Heliotropium oblongifolium, Mart. et Gal. in Bull. Acad. Brux. xi. 2, 
p. 336; Walp. Rep. vi. p. 556. | 
Souta Mexico, Mextitlan &c., near Real del Monte, 5000 feet (Galeotti, 1272). Hb. 
Kew. 
Probably the same as the next. 
19. Heliotropium parviflorum, Linn. Mant. p. 201; A. Gr. Synop. Fl. N. Am. 
li. p. 186. 
Heliophytum parviflorum, DC. Prody. 1x. p. 553. 
Froripa; TEexas.—Norra Mexico, region of San Luis Potosi, 6000 to 8000 feet 
(Parry & Palmer, 617), Monterey (Eaton & Edwards); Sovura Mexico, Zimapan 
(Coulter, 1064), Yucatan (Johnson).—West Inp1Es and tropical SouTH America. Hb. 
Kew. 
This should, perhaps, include both H. oblongifolium and H. rugosum, Mart. et Gal. 
20. Heliotropium phyllostachyum, Torr. Bot. U.S.& Mex. Bound. Surv. p. 137. 
Arizona.—Norta Mexico, near Monterey (Eaton & Edwards), San Fernando, 
Coahuila (Berlandier). 
21. Heliotropium rigidulum, DC. Prodr. ix. p. 540. 
Nort Mexico, Monterey (Eaton & Edwards), around Matamoros (Berlandier, 234). 
Hb. Kew. 
22. Heliotropium rupestre, Mart. et Gal. in Bull. Acad. Brux. xi. 2, p. 338 ; 
Walp. Rep. vi. p. 557. 
Soura Mexico, Santa Maria, near Morelia, Michoacan, 6500 feet (Galeotti, 1282). 
Hb. Kew. 
23. Heliotropium rugosum, Mart. ect Gal. in Bull. Acad. Brux. xi. 2, p. 336; 
Walp. Rep. vi. p. 557. . 
Sout Mexico, cactiferous plains of Ejutla, south of Oaxaca, 5000 feet (Galeotti, 
1271). Hb. Kew. 
24. Heliotropium striatum, H. B. K. Nov. Gen. et Sp. iii. p. 87; DC. Prodr. 
ix. p. 545? 
GuaTeMaa (Bernoulli, 784). Hb. Kew. 
The typical plant was collected in Venezuela. 
8. HARPAGONELLA. 
Harpagonella, A. Gr. in Proc. Am. Acad. xi. p. 88; Benth. et Hook. Gen. Plant. ii. p. 846. 
An annual herbaceous monotype. © 
