57^ PATAGONIAN EXPEDITIONS: BOTANY. 



3. CRISTARIA HETEROPHYLLA (Cav.) Hook. & Arn. 



Rough annual, covered by stellate hairs. Stems various, not much 

 branched. Lower leaves orbicular-oval, entire or 3-lobed. Median leaves 

 tripartite, with divergent and sinuose segments ; stellate beneath and on 

 margins ; lamina 4 cm. long, petiole as long. Stipules short, triangular. 

 Racemes long, the lowest flowers axillary. Peduncles exceeding the calyx. 

 Sepals hirsute, pungent, 15 mm. long. Petals twice as long, blue. Fruit 

 unknown. 



N. Patagon., at confluence of RR. Limay and Neuquen. 



4. C. INTERMEDIA Gay. 



Rather glabrous. Stem terete, decumbent. Leaves glabrous, rarely 

 ciliate, pinnatipartite, the lobes obtuse, incised or coarsely toothed. 

 Petioles striate. Flowers large ; calyx very hirsute. 



(Chili) ; Patagon., Chubut by Teka-choique. 







5. C. (?) KUNTZEI (O. Ktze.) Speg. (C. patagonica O. Ktze. non Phil.) 



Nearly stemless perennial herb, 5 cm. high, white-tomentose, except the 

 violet petals. Leaves long-petioled, palmatisect, 15 cm. long and broad, 

 with trifid lobes, having ovate lobules. Flowers about 5, subumbellately 

 crowded, with leafy bracts. Calyx-segments acuminate, 6 cm. long, shorter 

 than the petals, tomentose. Fruit (?). 



Patagon. (M. & T.). It has no bracteoles, and may belong to Sida; to 

 be called Sida patagonica (O. Ktze.) Speg. 



6. C. LINOIDES (Hieron. sub Malvastrmn}. 



Annual herb, with terete stem, simple, erect, subglabrous, or with few 

 stellate hairs. Lower leaves sparsely hairy, 3 cm. long ; petiole 3 cm. ; 

 blade pinnatisect, the segments 3-4 pairs, linear, obtuse, subdentate. 

 Upper leaves with fewer segments, glabrous ; uppermost like linear bracts. 

 Stipiiles subulate, small. Flowers in upper axils, pedunculate, solitary. 

 Calyx 5-cleft, the segments obtuse. Petals ovate, violet. Carpels 10-12, 

 i-seeded. 



N. Patagon., by Rio Negro. 



