xxvi. ROSA^CEJE : y/MY'GDALUS. 261 



succulent ; the carpels distinct from one another, and from the calyx, 

 which is persistent, and surrounds them, and, in many, is subtended 

 by as many bracteas as it has lobes ; the bracteas alternate with the 

 lobes. Style proceeding from a little below the tip of the carpel. Leaves, 

 in most cases, pinnately divided. Stipules attached to the petiole. Shrubs 

 bearing fruit, or ornamental. 



7^u\us L. Integuments of carpels juicy. 



POTENTI'LLA Nestl. Integuments of carpels dry. 



Sect. IV. 72o v sE^E Dec. 



Sect. Char. Fruit a hip ; that is, with the tube of the calyx fleshy, of a 

 pitcher shape, contracted at the mouth ; and including an aggregation of 

 carpels attached to its inner face. Style proceeding from the inner side 

 of the carpel. Shrubs eminently ornamental. 



/J!O V SA Tourn. Leaf impari-pinnate. Stipules attached to the petiole. Prickles 



simple. 

 LO X WE^ Lindl. Leaf simple. Stipules none. Prickles usually compound. 



Sect. V. PO'MEJE Lindl. 



Sect. Char. Fruit a pome ; that is, with the tube of the calyx become very 

 fleshy, and including, and connate with, the carpels. Carpels normally 5, 

 with gristly or borjy walls, including 1 2 seeds ; in Cydonia, several. 

 Habit spiny or not ; leaves, in most cases, undivided, in some pinnate. 

 Stipules not connate with the petiole. Ornamental low trees, or large 

 shrubs, with showy flowers, in some genera spiny, and in others bearing 

 some of our best hardy kitchen and dessert fruits. 



CHAT^GUS Lindl. Carpels I 5 prismatic nuts with bony shells, each in- 

 cluding 1 seed. Leaves angled or toothed ; in most cases deciduous. 

 Flowers in terminal corymbs. Spiny shrubs or low trees. 



PHOTI'NIA Lindl. Carpels 2. Petals reflexed. Evergreen. Flowers in ter- 

 minal panicles. Leaves simple, leathery, serrated or entire. In P. integri- 

 folia the ovaries are 3, and each includes 2 ovules. 



COTONEA'STER Medik. Carpels 2 3 ; ovules 2 in each cell. Leaves simple, 

 entire, woolly beneath. Flowers in lateral spreading corymbs. 



AMELA'NCHIER Medik. Ovaries 5, each divided by a partition ; ovules 1 in 

 each cell. Ripe pome including 3 5 carpels. Petals lanceolate. Small 

 trees. Leaves simple, serrate, deciduous. Flowers in racemes. 



.ME'SFILUS Lindl. Carpels 2 5 compressed nuts with bony shells, each in- 

 cluding 1 seed. Leaves lanceolate, serrulate, deciduous. Flowers large, 

 subsessile, subsolitary. 



PY'RUS Lindl. Carpels 5, or 2 5. Seeds 2 in each carpel. Leaves simple 

 or pinnate, deciduous. Flowers in spreading terminal cymes or corymbs. 



GYDO'MA Tourn. Carpels 5, each including many seeds. 



Sect, I. AmYGT)A*LEJE JliSS. 



GENUS I. 



yfMY'GDALUS Tourn. THE ALMOND TREE Lin. Syst. Icosandria 

 Monogynia. 



Identification. Tourn. Inst., t. 402. ; Dec. Prod., ?. p. 330. ; Don's Mill., 2. p. 482. 



s 3 



