v 



102 PATAGONIAN EXPEDITIONS I -BOTANY. 



C cylindrostachya Poepp., Poeppi Fragment. Synopt. Plant. Phan. Chil., 

 p. 15; Poepp. & Endlich, Nov. Gen. and Species, I, p. 30, tab. 50; 

 Kranzlin, 1. c., p. 85, tab. IX, T. Reiche, 1. c., p. 33, tab. I, fig. 6. 

 Central and S. Chili ; Mid-Patagonia, Territory of Chubut. 



SPIRANTHES L. C. Rich. 

 S. CHILENSIS Rich. 



Sepals free, subequal, the hind one erect, conniving with the petal into 

 a helmet, or apically spreading; the laterals fixed to the apex of the 

 ovary, long-decurrent. Lip erect, often narrow, embracing the column, 

 entire or 3-lobed, appendiculate inside. Column often decurrent at base 

 in the ovary, or not produced into a free foot. Stems leafy or leafless. 

 Flowers small or longish. 



W. Patagonia, lower Rio Puelo. 



Page 324, 2 lines from foot, omit S. Chili, S. Patagon. Add at foot 

 of page : 



CODONORCHIS SKOTTSBERGII Kranzl. 



W. Patagon., Rio de las Minas. 



C. POEPPIGII Lindl. 



Syn. Pogonia tetraphylla Poepp. 



Pogonia has sepals and petals all similar, and labellum sessile with a 

 broad base, 3-lobed with long ridges or lines of tufts, around the long 

 column ; anthers more or less nodding ; stem with one long leaf, midway, 

 and a smaller bract near the solitary flower. 



Codonorchis Lindl. has the petals exceeding the sepals ; lip sometimes 

 sessile, sometimes narrowed baseward, surrounding the column. Leaves 

 in whorl of 3-6 on the i -flowered scape. 



It has two species, in North and South America. 



Cordillera of S. Chili ; W. Patagon., by upper valley of Rio Aysen. 



Add p. 324: 



HABENARIA Willd. 



Sepals ringent, the lateral, or all spreading. Petals like them or 

 smaller, entire or lobed. Lip mostly long-spurred, entire or deeply cleft, 

 protruding or pendulous. Anther-cells short, the pollen-masses on long 



