Opuntia palmadora sp nov

Plant often 3 meters high, sometimes even 5, but often low; trunk sometimes 9 cm. in diameter, sometimes with brown, smooth bark, but usually very spiny; branches numerous, usually erect, at times forming a compact, almost globular top, at other times quite open; joints unusually thin and narrow, 1 to 1.5 dm. long, generally erect, very spiny; leaves subulate, minute, 3 to 4 mm. long, green with reddish tips, found only on very young joints; areoles filled with white wool; spines usually 1 to 4, sometimes 6, from an areole, all yellow at first, in age white, the largest one porrect, 3 cm. long; petals erect or only slightly spreading, brick-red in color; stamens short, erect; filaments orange-colored; style cream-colored; stigma-lobes white; ovary broadly turbinate, 2 cm. long, tuberculate; fruit small.

Collected by Rose and Russell at Barrinha, Bahia, Brazil, June 7, 8, 1915 (No. 19787).

This plant is common in the semiarid parts of Bahia, where it is known as palmadora or palmatoria. Johnston and Tryon describe it briefly without giving it a name in their Report of the Prickly-Pear Travelling Commission, 104. 1914.

Figure 250 represents joints of the type plant; figure 251 is from a photograph of the wild plant from which the above was taken.

Series 26. SPINOSISSIMAE.

Erect species, mostly tall, with terete, continuous, unjointed, usually densely spiny trunks, the ultimate branches spreading; or divaricate, flat, ^ ^ , ,

usually elongated, spiny or sometimes unarmed; flowers small, yellow, orange or red, or changing from yellow to red; fruit fleshy. We recognize seven species, all natives of the West Indies. The series represents the genus Consolea of Lemaire.

Fig. 251.—Opuntia palmadora. A thicket in Bahia, Fig. 252.—Opuntia nashii.

Brazil.

Fig. 251.—Opuntia palmadora. A thicket in Bahia, Fig. 252.—Opuntia nashii.

Brazil.

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