* 



APPENDIX. 



219 



102 a. Opuntia pennellii sp. nov. (See page 115, ante.) 



green 



nearly porrect, subulate, 3.5 cm. long or less, white with dark tips; glochids not very conspicuous, 



yellowish. 



Collected 



near Magangue, coastal plain of Colombia, Department of Bolivar, at 

 it 100 meters altitude, by Francis W. Pennell in 1918. 

 Figure 286 shows a joint of the type plant. 

 Here may belong herbarium specimens which we have seen from northern Colombia 



material at hand it is impossible to determine them 



One of these 



William R. Maxon. April 10, IQ06 (No. ^Saq) at Puerto Colombia 



This 



plant is described as consisting of 3 to 6 joints, branching at the third or fourth joint, the 

 joints all being in one place. The flowers are yellow and 



small 



ovary 



Another was collected 

 oints verv similar to th 



H. H. Smith 



1898-1899 



from 



Dr. PenneU's plant. It is said to be 



Fig. 285. 



Opuntia giiatemalensis. 

 X0.33. 



Fig. 286. 



Opuntia pennellii 

 X0.5. 



caracasana 



Fig. 287. — Opuntia caracasana. 



X0.5. 



c. 1849. 238. 1850. (See page 116, a w/e.) 



Stems low, bushy, 4 to 12 dm. high; joints oblong, 10 to 12.5 cm. long, turgid, pale green, 

 ''leaves squamiform, minute"; spines 2 to 4, unequal, 2.5 to 4 cm. long or less, pale yellow; flowers 

 and fruit unknown. 



Type locality: Near Caracas, Venezuela. 

 Distribution: Mountains about Caracas, Venezuela. 

 The type specimens were collected near Caracas by E 



Dr. Rose 



found the plant abundant above Caracas in 191 6. It usually grows on exposed hillsides 



from 



common 



he little station of Zig Zag. Several other cacti 

 among which are 0. elatior and O. depauperata. 



Figure 287 shows a joint of the plant collected by Dr. Rose above Caracas in 1916. 



aequatorialis 



(See page 116, ante.) 



Bushy, much branched; i to 1.5 meters high; the branches spreading or recur\'ed; joints nar- 

 rowly oblong to obovate, 1.5 to 2 dm. long, 3 to 8 cm. broad, easily becoming detached; spines pale 

 yellow, at first only 2 to 4 but more in age, subulate, 2.5 to 6 cm. long; flower-buds ovoid, acute, red; 

 petals few, 8 to 10, orange-red, spatulate; filaments and style red; stigma-lobes cream-colored. 



