LIST OF HIGHER SEED-PKODUCING PLANTS. 281 



North America: N. Br., Q., Ont. to Man.; S. to N. 

 Eng. , N. J. and N. Car. ; W. to Minn. , Neb. , Ky. , Mo. and to 

 San Francisco mts. of Arizona. 



Minn, valley: Throughout, but infrequent far W. ; 

 woods and waste places along streams. 



Herb. : Taylor 273, Janesville; Sheldon 461, Madison 

 Lake; Sheldon 53, Elysian; Taylor 804, Glen wood; Sheldon 856, 

 Sleepy Eye; Ballard 83, Chaska; Kassuhe 86, Minneapolis; 

 Sandberg 192, Goodhue Co. ; Herb. Sheld. 1881, Minneapolis. 



LI. ROSACEAE. Rose Family. 



Endlicher, Gen. PI. 1240 (1840); Chrysobalaneae Endl. Gen. PI. 1251; 

 Amygdaleae, Endl. Gen. PI. 1250; Pomaceae Endl. Gen. PI. 1236 (1840); Dru- 

 paceae, Sanguisorbaceae Llndl. Veg. King. 559, 561 (184G); Benth. and 

 Hook. Gen. PI. I, 600 (1865); Baillon, Hist. PI. I, 345 (1869); Focke, in Engler 

 and Prantl, Nat. Pflanz. 3, III, 1 (1888). 



Genera: 70 ± ; 90 (Focke); 71 (B. and H.); 66 (Baillon); 

 cosmopolitan. 



Species: 1200-1500; two great distributional regions: 

 (1) Pacific coast and border regions; (2) N. temperate zone. 

 Fossil species known from the Tertiary and Recent and even 

 from Upper Cretaceous of N. America, sparingly. 



OPUL ASTER Medic. Beitr. Pflanzenanat. II, 109 (1799). 

 Physocarpos Cambess. Ann. Sci. Nat. I, 385 (1824). 

 Neillia Don, Prodr. Nep. 228 (1825). 

 Adenileima Bl. Bij. 1121(1826). 

 Epicostorus Raf. Atl. Jour. 144 (1832), 

 Phy.socarpa Raf. Fl. Tell. (1836). 

 SteiJhanaudra Sieu. et Zucc. Abh. Munch. Akad. Ill, 739 



( )• 



Baillon, Hist. PI. I, 470, 471; Benth. and Hook., Gen. PI. I, 612; Du- 



rand, Ind. Gen. Phan. 112; Engler and Prantl, Nat. Pflanz. 3, III, 14 



(Focke); O. Kuntze, Bev. Gen. Nachtr. 949; Schenck, Palaeophyt. 674. 



Living species: 9, in three distinct sections {Neillia, 

 PhysocarpoH and Stephanandra); North America; N. Asia to 

 Himalayas; S. China and Japan. North America, 2 sp. ; 1, 

 Rocky mts. and Calif.; 1, E. Sts. 



Fossil species: 0. opulif alius (Linn.) in Tertiary of 

 Siberia; also, Alaska? Hungary? {Heer, linger). 



Opnlaster opiilifolius (Linn.) OK. Rev. Gen. II, 949 (1891). 

 Spiraea opulifolia Linn. Spec. 489 (1753). 

 S. caroliniana Mausii. Arbust. Amer. 146 (1785). 

 Opidaster bullatus Med. Pflanzenanat. II, 109 (1799) 

 Physocarpos opidifoUus Raf. N. Fl. Ill, 73, 74 (ISSe- 

 Neillia opulifolia B. and H. Gen. PI. I, 612 (1865). 



