1907] SCH N EIDER—CONSPECTUS GENERIS AMORPHAE 301 
There is another remarkable form of the type with very large and obtuse 
leaflets (ad 21. 3°™ magnis) of the lower leaves, from Watson, Missouri, Bush, 
no. 217. 
3. A. MICROPHYLLA Pursh, Fl. Am. Sept. 2:466. 1814.—A. nana 
Nutt. Gen. N. Am. Pl. 2:91. 1818; nec Nutt. 1813 (fide Torr. et 
Gray, Fl. N. Am. 1:690. 1840) non Sims 1820. 
Vidi specimina numerosa ex Manitoba, Dakota, Minnesota, Iowa, Nebraska, 
et New Mexico (Gordon, no. 13, iv. 48, Upper Canadian River). 
4. A. Schwerini, sp. nov. 
Nort Carotina.—Rowan Co., J. K. Small, 18-27. viii. 94, on Dunn’s Mt. 
(fructibus semi-maturis). 
With its very long acuminate calyx teeth, and its very approximate, rather 
large leaflets pubescent on both sides, this form seems to be a good but very local 
species. 
5. A. HISPIDULA Greene, Fl. Francisc. 1:14. 1891.—A. calijor- 
nica Hook. et Arn. Bot. Beech. Voy. 333. 1841, nec Nuttall apud 
Torr. et Gray. 
CALIFORNIA.—Shasta Co., H. E. Brown, no. 2323, 15-18. v.97; Ventura Co., 
Elmer, no. 3950; Monterey Co., Elmer, no. 3280; Sonoma Co., Heller, no. 5757; 
Los Angeles Co., LeRoy Abrams, no. 2622; H. E. Hasse, v. 92; Orange Co., 
LeRoy Abrams, no. 1828; San Bernardino Co., G. Engelmann, 21. ix. 80; Parry 
et Lemmon, no. 10811 (no.g7); Parish, nos. 3198 et 4185; H. M. Hall, no. 1288. 
A very distinct species with its prickle-like glands. Hooker and ARNOTT 
say (7. c.) ‘‘ramulis petiolisque glandulis rigidis acutis aculeatis;” while NUTTALL 
(apud Torr. et Gray) makes no mention of such glands and plainly says “teeth of 
the villous calyx all acute and short;” but it is somewhat strange that he also 
says “petioles furnished with minute glandular scales.” Unfortunately I had no 
opportunity to see an original specimen of Nuttall from Santa Barbara, where A. 
hispidula seems to occur very frequently. 
6. A. cattrornica Nutt. apud Torr. et Gray, Fl. N. Am. 1306. 
1838. 
CAaLtrorntiA (southern).—San Francisco Mts., Hall, no. 2121; San Diego Co., 
Orcutt, near Jacumba valley, vi. go; LeRoy Abrams, no. 3425; Cleveland, no. 
1361, in 1874. 
RIZONA.—Santa Rita Mts., Pringle, 5. vi. 84; Engelmann, 27. ix. 80 (in the 
leaflets this specimen very much resembles A. angustifolia, but the rather gland- 
less small fruits are quite the same as those of the Mexican plant); Fort Whipple, 
. Palmer, no. 240. 
New Mexico.—Grant Co., Metcalfe, no. 133; Albuquerque, Harward, no. 
12; Dofia Ana Co., Wooton, no. 46. 
Mexico.—Chihuahua, Pringle, no. 1588 (Paso del Norte). 
