Amela-ncuier. ROSACETE. 473 



§ Ovary completely 2-celled. — Euphotinea, Lindl. 



1. P. arhutifolia [lAnAh): leaves oblonjr-lanceolate, acute, distinctly ser- 

 rate ; pedicels shorter than the calyx. — Lindl. ! I. c, Sf h(jt. rcg. t. 491 ; 

 DC. ! prodr. 2. p. 631 ; Honk. Sf Am. ! hat. Bcechcy, p. 139, 4' svjrpl. p. 

 340, P. nudillora & foliolosa, Nutt. ! mss. Cratsegus arbutifolia, Ait. ! Kew. 

 {ed. 2.) 3. /;. 202. 



Calitornia, ATenzics ! Douglas ! Nuttall ! Scc. — Leaves very rii^d, sharp- 

 ly serrate, the teeth mostly tipped withglaiids ; the margin revolute. " Sta- 

 mens about 10. Style 1 ; stigmas 2. Ovary tomcntose, obliijue, exserted 

 beyond tlic calyx." Nutt. — IJy a tyi)Ograpliical error in Dc CandoUe's Pro- 

 dromus, the pedicels are said to be longer than the calyx. 



29. AMELANCHIER. Medic. ; Lindl. in Lin. trans. 13, p. 100. 



Calj'x 6-cleft. Petals obovate-oblong or oblanceolate. Stamens short. 

 Styles 5, more or less united. Pome 5- (or by abortion 3-4-) celled, each 

 cell imperfectly divided by a spurious dissejnment, with a single seed in 

 each division :' endocarp cartilaginous. — Small trees or shrubs, with simple 

 serrated leaves, and racemose (while) flowers. 



1. A. Canadensis: leaves, as well as the racemes and calyx, tomentose- 

 lanuginous when very young, glabrous when mature, ovate, elliptical, or 

 oblong, sometimes cordate at tlie base, often slightly acununafe or mucro- 

 nate ; segments of the calyx triangular-lanceolate, about the length of the 

 tube ; fruit globular (edible) purplish. — Mespilus Canadensis, Linn. 1 spec. 

 1. p. 478 (excl. syn. Gronuv.) ; Michx. .' Jl. I. p. 291. Pyrus Botryapium, 

 Linn. f. suppl. it. 255. 



a. Bolryujn^im : arborescent ; leaves ovate-oblong, very sharply serrate, 

 mostly subcordate when young, acuminate and cuspidate ; petals oblong, 

 four times the length of the calyx. — Mespilus Canadensis 0. cordata, Michx. 

 I. c. M. arborea, Michx. f. sylv. 1. p. 33G. t. G6. Pyrus Botryaiiium, 

 Willd. ! spec. 2. p. 1013 ; Pursh, I. c. Crataegus racemosa, Lam. did. 1. 

 J). 74. Aronia Botryapium, Pers. syn. \ p. 39 ; Ell. sk. 1. j)- 357. Ame- 

 lanchier Botryapium, DC. ! prodr. 2. p. 632. A. Botryapium, & ovalis. 

 Hook. ! jl. Bor.-Am. 1. p. 202. 



;. (i. ohlongifolia : shrubby; leaves oval-oblong, mucronate, serrate with 

 short acute teeth, the tomentum of the lower surface often remaining during 

 llowering ; racemes shorter ; flowers smaller ; petals obovate-oblong, about 

 thrice the length of the calyx. — Mcsinlus Amelanchier? Walt. Car. jj. 148. 

 M. Canadensis a. obovalis, Michx. / Amelancluer ovalis. Hook. ! I. c. 

 (j)arlly.) A. intermedia, Spach ! suite Buff. 



y. rotundifolia : siu^ubby or arborescent ; leaves roundish-oval, often some- 

 what acummate or cuspidate, very shar])ly serrate ; racemes 6-10-llowered ; 

 petals narrowly oblong, rather small. — M. Canadensis y. rotundifolia, 

 Miclix. I.e. Pyrus ovalis, Willd.! I.e. (i)ar(ly.) P. sans;u'mca, Pursh, Jl. 

 1. p. 340 ? Aronia ovalis, Pers. I. c. ; Ell. I. c. Amelanchier ovalis, 

 DC. ! I. c. 



. S. alnifolia : shrubby or arborescent ; leaves roundish or broadly ellipti- 

 cal, very obtuse or retuse at each end, serrate near the summit only ; ra- 

 cemes densely-flowered ; petals linear-oblong, 3-4 times the length of the 

 calyx; stamens very short. — Aronia alnifolia, Nutt.! gen. 1. p. 306. 

 Amelanchier alnifolia, Nutt. ! in jour. acad. Jr*hilad. 7. p. 22. A. ovalis /i. 

 semiintegriiblia, Hook. ! I. c. A. florida, Lindl. ! hot. reg. t. 1589. 



60. 



