Part 2, 1910] ZYGOPHYLLACEAE 113 



7. Kallstroemia canescens Rydberg, sp. nov. 

 Annual ; stem decumbent, branched at the base, 3-5 dm. long, short-canescent and 

 with a few longer hairs; leaves 1-3 cm. long; petioles 3-5 mm. long; leaflets usually 3 

 pairs, broadly oval or suborbicular, 5-15 mm. long, rather densely hirsute beneath ; pe- 

 duncles 1-1.5 cm. long, spreading or reflexed in fruit; sepals lanceolate, about 3 mm. long, 

 hirsute ; petals obovate, 5 mm. long, orange ; fruit strigose ; beak conic at the base, 3 mm. 

 long ; carpels 3-4 mm. long, cross-ridged on the back. 



Type collected at Rosario, Sinaloa, July 7, 1897,/. IV. Rose 1547 (U. S. Nat. Herb.). 

 Distribution : Sinaloa and Jalisco. 



8. Kallstroemia parviflora Norton, Rep. Mo. Bot. 

 Gard. 9 : 153. 1898. 

 A branched annual ; primary branches 3-10 dm. long, striate, angled, sparingly hirsute 

 and somewhat strigose, especially at the nodes ; stipules linear-lanceolate, 7 mm. long, 

 persistent ; leaves distant, 1-3 cm. long, short-petioled ; leaflets 3-5 pairs, elliptic, 7-10 mm. 

 long, acute or acutish, glabrous above, ciliate and pubescent with rather long appressed 

 hairs beneath ; peduncles 1-1.5 mm. long, equaling or commonly longer than the leaves, 

 minutely appressed-pubescent, ciliate; sepals narrowly linear-lanceolate, or subulate, 5 mm. 

 long, soon shriveled, persisting till after the maturing of the carpels, beset with long stiff 

 cilia ; petals light-yellow, turning whitish, 5-7 mm. long, usually barely exceeding the 

 sepals ; fruit minutely appressed-pubescent ; beak pubescent, 5-8 mm. long, longer than the 

 body ; carpels 8-10, 3-4 mm. long, with short rounded tubercles on the back, strongly reticu- 

 late on the faces. 



Type locality : Agricultural College, Mississippi. 

 Distribution : Mississippi to Arizona and Durango. 

 Illustration: Rep. Mo. Bot. Gard. 9: pi. 46. 



9. Kallstroemia intermedia Rydberg, sp. nov. 



Kallstroemia maxima Britt. & Brown, 111. Fl. 2 : 352, in part. 1897. 



A profusely branched annual ; stems3-7 dm. long, ascending or decumbent, hirsute as 

 well as pilose, striate ; stipules subulate or linear-lanceolate, 5-7 mm. long; leaves 2-5 cm. 

 long ; petioles shorter than the leaflets ; leaflets 4-5 pairs, elliptic, acutish, nearly all of the 

 same size, 8-20 mm. long, usually glabrate above, hirsute beneath ; peduncles in fruit 1-3 

 cm. (rarely 4 cm.) long, usually shorter than the leaves, often spreading or reflexed ; sepals 

 subulate, 5-6 mm. long, hispid, persistent; petals bright-yellow, 7-10 mm. long, obovate; 

 fruit canescent-strigose ; beak 5-6 mm. long, nearly columnar ; nutlets about 4 mm. long, 

 rather sharply tuberculate on the back, faintly reticulate on the faces. 



Type collected in Bexar County, Texas, 1904, Gust. Jenny (herb. N. Y. Bot. Gard.). 

 Distribution : From Missouri and Kansas to New Mexico, Chihuahua, and Texas. 

 Illustration : Britt. & Brown, 111. Fl./. 2268 (as K. maxima). 



10. Kallstroemia Rosei Rydberg, sp. nov. 

 A branched annual ; stem 3-10 dm. long, spreading, sparingly hirsute; stipules lanceo- 

 late, acuminate, 5-8 mm. long; leaves 2-4 cm. long; petioles 3-10 mm. long, much 

 shorter than the leaflets ; leaflets obliquely oval, 10-25 mm. long, the pairs not very unlike 

 in size, glabrous above, sparingly hirsute beneath ; peduncles 2-3 cm. long, usually shorter 

 than the leaves, more or less curved and reflexed in fruit ; sepals narrowly lanceolate, 

 hirsute, 8-10 mm. long ; petals bright-yellow or orange, 10-15 mm. long ; fruit sparingly 

 strigose; beak about 6 mm. long, somewhat conic at the base; nutlets 4 mm. long, cross- 

 ridged and tuberculate on the back, slightly reticulate on the faces. 



Tvpe collected near Yautepec, Morelos, August 27, 1903, Rose & Painter 6562 (U. S. Nat. 

 Herb.). 



Distribution : Morelos, Oaxaca, Jalisco, Queretaro, and San Luis Potosi. 



