PLATE XLVIII. 



1. Tulipu Gesneriana (Garden Tulip). Transverse 



section of anther bearing pollen-sacs and ovules. 

 (Original.) p. 192. 



2. Rom arvensis (Field Rose). A stamen bearing pollen- 



iferous ovules (ov) and a stigma (st), an, anthers. 

 (After Masters.) p. 193. 



3. Daucus Garota (Carrot). Slightly virescent carpel 



bearing marginal ovules. (After Cramer.) p. 195. 



4, 5. Trifolium repens (Dutch Clover). Virescent flowers. 

 Fig. 4. — With a trifoliolate leafy carpel. Fig. 5. — 

 With a unifoliolate leafy carpel. cp, carpel; stp, 

 stipule; co, corolla; cal, calyx. (Original.) p. 194. 



6-9. Sisymbrium Alliaria (Garlic Mustard). Figs. 6, 7. — 

 Ovular leaflets. Fig. 8. — Diagram showing the 

 three sets of laminas. Fig. 9. — Diagram showing 

 mode of enwrapping of nucellus by integuments. 

 f, funicle ; oi, outer integument ; ii, inner integu- 

 ment ; n, nucellus. (After Celakovsky.) pp. 196 

 and 197. 



10, 12. Trifolium repens (Dutch Clover). Various forms of 



ovular leaflet. (After Celakovsky.) p. 197. 

 11. Hymenophyllum sp. (Filmy Fern). Pinnule, showing 



analogous structure to that of Trifolium. (After 



Celakovsky.) pp. 201-202. 

 -13, 14. Hesperis matronalis (Dame's Violet). Ovular leaflets 



bearing more than one inner integument on the 



lower side. (After Celakovsky.) pp. 197 and 198. 

 15. Cystopteris sp. (Bladder Fern.) Pinnule showing 



analogous position of indusium. (After Celakovsky.) 



p. 202. 



