Rubus cuueifolius, Pursh. {Sand Blackberry.) An upright shrub, L— 3 fed 

 high, armed with stout recurved prickles ; branches and lower surface of the 



leaves whitish woolly. Flowers large. Fruit black. May— July. 



Rosa, Touni. (Rose.) 



Rosa Carolina, L. {Swamp Rose.) Shrub -1—7 feet high, armed with stout 

 hooked prickles; Hower rameroas, rosetootaad. June — Sept. (Abundant.) 



Rosa lucida, Ehrh. (Dwarf Wild Rose,) Low Shrub (1—2 feet high) armed 

 with unequal bristly prickles. Peduncles bearing 1-3 rose-colored flowers ; 

 fruit smooth, when ripe. May — July. (Numerous.) 



Rosa rubiginosa, L. (TrueSweA- Brier.) A high climbing shrub, armed with 

 numerous prickles ; leaves clothed with fragant russet glands beneath ; flow- 

 ers rose-color: fruit pear shaped. June — August. (Scarce.) 



SUBORDER III. POMEAE. (The Pear D/mil,,.) 

 Crataegus, L. (Hawthorn. WAite Thorn.) 

 Crataegus coccmea, L. (Scarletfruited Thorn.) A (horny, low tree, leaves 

 roundish-ovate, sharply toothed, or cut-lobed and glabrous like the stem; 

 flowers white ; fruit bright scarlet, scarcely edible. May. 

 Crataegus tomentosa, L. var. pyrifolia. (Black or Pear Thorn.) A 

 tall shrub or low tree ; leaves downy or villous-pubescent at least when 

 young', sharply toothed or cut ; flowers white ■ fruit crimson or orange-red, 

 of a pleasant flavor. May, June. 



J'ynis, L. (Pear, Apple.) 



Pyrus arbutifolia, L. (Choke Berry.) Tall shrub with simple, oblong and 

 finely serrate leaves, white or with purple tinged Bowers, and purple berry- 

 like fruits. May, June. (Numerous.) 



ORDER ! OliagraccaCt (Evening- Primrose Family.) 

 Epiiobium, L. ( Willow - Herb.) 

 Epilobium coloraturn, Muhl. Perennial herb with numerous purplish flow- 

 ers, July — September. 



Oenothera, L. (Evening Primrose.) 

 Oenothera biennis, L. (Common Evening Primrose.) Biennial erect herb 

 with alternate leaves and light yellow (lowers. June - Septemder. 



Ludwigia, L. (False Loosestrife) 

 Ludwigia alternifolia, L. (Seed-Box.) Perennial herb with alternate leai 

 and axillary peduncled yellow flowers. Augn i 



03tI>Eil ! Caetaceae (Cactus Family.) 

 Opuntia, Toarii. | Prickle Pear. Indian Fig.) 

 Opuntia vulgaris, Mill. (Car/us Opuntia, L.) Fleshy thickened plant 

 with a stem composed of joints, bearing wry small decidious leaves; the 



