APPENDIX. 



3 a. Nopalea gaumeri sp. nov, (See page 37, ante.) 



About 3 meters high, much branched; joints small, linear-oblong or oblong-oblanceolate, 6 to 

 12 cm. long, 2 to 3 cm. broad, rather thin; areoles small, i to 2 cm. apart; spines very unequal, 5 

 to 20 mm. long, acicular, 4 to 12, yellowish when young; flower small, including ovary and stamens 

 about 4 cm. long; sepals ovate, acute; petals oblong, 12 mm. long; stamens long-exserted ; style 

 longer than the stamens; stigma-lobes 6, greenish; fruit red, darker within, obovoid, 3 cm. long, its 

 numerous areoles bearing spines and yellow glochids; umbilicus prominent, i cm. deep; seeds about 



4 mm. broad, with a very narrow margin and a very thin testa. 



i. 



Figs. 277 and 278. — Nopalea gaumeri. X0.8. 



Gaumer and sons near Sisal, Yucatan. March 



.1 



i 



Gaumer from Port Silam 



Gaumer 



small-jointed ; 

 February to J 



much 



% 



blooms from 



very fond of the fruit and consume 



Figures 277 and 278 show joints of the type-specimen 



77 a. Opuntiadepauperatasp.nov. (Seepage loi, awfe.) 



Plant I to 2 dm. high, with a flattened, much 

 branched top; joints dark green, readily detached, 

 terete or shghtly flattened, 3 to 12 cm. long, 2 to 3 

 cm. thick, puberulent; spines on young joints 2 or 3, 

 nn old joints sometimes 6 at each areole, reddish to 

 pale brown, acicular, i to 2.5 cm. long, nearly porrect; 

 glochids tardily developing, conspicuous on old joints, 



ovary 



Mrs. T 



the station of Zig Zag, along the railroad above 



(N 



ery 



specimens 



The 



mountains 



from 



The region here is not so dry as it is farther down on 



mountams 



several other species of cacti 



Figure 279 is from a photo 

 taken by Mrs. Rose; figure 28 



there are 



4 



i 



i 



Fig. 279. — Opuntia depauperata. 



Magdalena River, Colombia, 

 cm. long, the young joints have numerous 



H. H 



The joints, however, are glabrous, 



produce long white wool. 



216 





