PLATE XLVIII. 



FlQS. 



1. Tulifii. Gesneriana (Garden Tulip). Transverse 



section of anther bearing pollen-sacs and ovules. 

 (Original.) p. 192. 



2. Rona arvensis (Field Hose) . A stamen bearing pollen- 



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

 (After Masters.) p. 193. 



3. Daurus Garota (Carrot). Slightly virescent carpel 



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

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

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

 With a unifoliolate leafy carpel, cp, carpel; sip, 

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

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

 Ovular leaflets. Fig. 8. — Diagram showing the 

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

 mode of enwrapping of nucellus by integuments. 

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

 ment ; 11, nucellus. (After Celakovsky.) pp. 196 

 and 197. 



10, 12. Tiifolium rejiens (Dutch Clover). Various forms of 

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

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

 analogous structure to that of Trifolium. (After 

 Celakovsky.) pp. 201-202. 



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

 bearing more than one inner integument on the 

 hiwer side. (Aftei- Celakovsky.) pp. 197 and 198. 

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

 analogous position of indusium. (After Celakovsky.) 

 p. 202. 



