178 PROCEEDINGS OF THE AMERICAN ACADEMY. 



CARICACEAE. 



Carica, L. 



C. Papaya, L. Hort. Cliff. 461, & Sp. 1036 (1753); Anderss. (1), 

 223, & (2), 94. — Charles Isl. : about habitations, Andersson. 

 Further distrib. general in tropics. 



LOASACEAE. 



Mentzelia, L. 



M. aspera, L. Sp. 516 (1753); Anderss. (1), 222, & (2), 94; Rob. 

 & Greenm. (1), 146. ?Acrolasia squalida, Hook. f. (3), 222; Anderss. 

 (1), 222, & (2), 93. — Albemarle Isl.: Andersson; Iguana Cove, 

 Snodgrass & Heller, no. 102 (hb. Gr.) ; Tagus Cove, common from 

 beach to 310 m. alt., in shady places, Snodgrass & Heller, no. 175 

 (hb. Gr.). Charles Isl.: Darwin; Andersson; Cuevas Bay, Baur, 

 no. 162 (hb. Gr.) ; Snodgrass & Heller, no. 429 (hb. Gr.). Chatham 

 Isl. : Andersson / southwest end, lower region, Baur, no. 161 (hb. Gr.) ; 

 S?iodgrass & Heller, no. 530 (hb. Gr.). Duncan Isl. : Snodgrass & 

 Heller, no. 689 (hb. Gr.). Gardner Isl.: Snodgrass & Heller, no. 

 614 (hb. Gr.). Hood Isl.: Snodgrass & Heller, no. 719 (hb. Gr.). 

 Indefatigable Isl. : Andersson; northern part, Snodgrass & Heller, 

 no. 664 (hb. Gr.). James Isl.: Andersson; James Bay, abundant on 

 lava soil in shade, Snodgrass & Heller, no. 376 (hb. Gr.). Tower 

 Isl. : Snodgrass & Heller, no. 803 (hb. Gr.). Further distrib. 1ST. Am. 



Sclerothrix, Presl. 



S. fasciculata, Presl, Symb. Bot. ii. 3, t. 53 (1858). Ancyrostemma 

 micranthum, Poepp. & Endl. Nov. Gen. & Sp. iii. 65 (1845). — Albe- 

 marle Isl. : Iguana Cove, Snodgrass & Heller, nos. 123, 128 (both in 

 hb. Gr.). James Isl.: James Bay, common on lava rocks near beach, 

 Snodgrass & Heller, no. 373 (hb. Gr.). Narborough Isl. : southern 

 part, tolerably common, alt. 615 m., Snodgrass & Heller, no. 315a. 

 Further distrib. Mex. to Peru and Brazil. 



CACTACEAE. 



[The plants of this family secured by Messrs. Snodgrass & Heller 

 have been kindly identified by Prof. Karl Schumann of the Royal 

 Botanical Museum, Berlin.] 



