? 



»^ 



r 



w 



t 



173 



Dinieftsions in ibt/is of an huh. 



Variety of Olive. Whole fruit, Pit^ Pit per cent. 



Length, Width, Length. Width. by hulk, 



Regalis, i? ^3 9 5 7-8 



Manzaniilo No. I,i6 13 9 5 ^^^^ 



Nevadillo Blanco, 16 10 10 4 lu.o 



PenduIIna, 12 9 7 4 11.5 



Columella. 14 11 8 5 11. 8 



Mission, • t6 10 10 5 15,6 



+ 



Poly niorpha, 19 12 12 6 15.8 



Rubra, 12 8 8 4 16.7 



Rock's Oblonga, 15 S 11 4 18.3 



Redding Picholine, 8 6 6 4 33-3 



U varia, 13 9 10 6 34. 2 



Onion. Allium cepa, L. (Liliace.^). 



The top-onion may be mentioned as a plant not bearing 

 seeds, yet I have often observed a few seeds arising from among 



p 



the bulbs. In one case an onion of the ordinary sort became in- 

 jured in the stalk. From the split a cluster of bulbs protruded, 

 and the '' top " failed to produce seed. 



Opuntia. (Cacte.?!:). 



Opitntia Davisiiy Engelm., is common on the Upper Canadian, 

 near the Llano Estacado, Tex. All the fruits observ^ed were 

 sterile, and most of them elongated, one to one and a quarter 

 inches long, as Engelmann states'. In Sicily a variety of Opun- 

 tia FiciiS'indica has fruits without seedsl 



Orange. Citrus aurantium, L. (Rutace/E). 



This fruit is botanically a hesperidium, or a berry with a 

 leathery rind. It consists of the carpels surrounded by the ex- 

 ternal coat of the ovarium, and having the space between their 

 inner wall and the seeds they contain filled with a very succulent 



1 Engelmann, Pac. R. R. Report, iv. 49, Fig. pi. xvi. 



2 P. L. S., Card. Chron. Aug. 9. 1884, p. 171. 



