SANTALACE^. (SAXDALWOOD FAMILY.) 417 



Synopsis. 



« Flowers perfect. 



1. COMANDRA. Anthers connected with the calyx lobes by a tuft of hairs. Leaves al- 



ternate. 



* * Flowers dioecious. Shrubs. 



2. DARBYA. Calyx 4-5-cleft. Anthers connected with the calyx lobes by a tuft of hairs. 



Leaves opposite. Flowers uinbelled. 



3. PYRULARIA. Calyx 5-cleft. Stamens 5. Anthers free. Albumen oily. Leaves al- 



ternate. Flowers spiked. 



4. BUCKLEYA. Calyx limb double, each 4-lobed. Stamens 4. Anthers free. Albumen 



fleshy. Leaves nearly opposite. Flowers terminal. 



1. COMANDRA, Nutt. 



Flowers perfect. Calyx bell-shaped, 5-cleft, the persistent lobes alternating 

 with the lobes of the disk. Stamens 5 : anthers connected with the calyx 

 lobes by a tuft of hairs. Stigma capitate. Fruit nut-like, 1-seeded. — Smooth 

 perennial herbs, with alternate leaves, and small greenish white flowers, in 

 axillary and terminal umbel-like peduncled clusters. 



1. C. umbellata, Nutt. Stem branching above; leaves sessile, lance- 

 olate or oblong ; peduncles several, corymbose, 3 - 5-flowered, mostly longer 

 than the leaves ; stjle slender, fruiting calyx urn-shaped. — Dry soil in the 

 upper districts. April- May. — Stem 8'- 10' high. Leaves i'- 1' long. 



2. DARBYA, Gray. 



Flowers polygamo-dioecious, top-shaped, 4 - 5-cleft, the lobes ovate, spread- 

 ing. Stamens 4-5, inserted in the sinuses of the crenately 4- 5-lobed disk: 

 filaments short : anthers connected with the calyx lobes by a tuft of hairs. 

 Style thick. Stigma 3 -4-lobed. Ovule solitary. Fruit 1-celled, 1-seeded. 

 — A small shrub, with opposite oval membranaceous short-petioled leaves, 

 and small greenish flowers in axillary peduncled umbels. 



1. D. umbellulata, Gray. — Alabama to North Carolina, in the middle 

 districts. — Shrub 1°-1J° high. Leaves 1' long, smooth. Peduncles 3-8- 

 flowered, shorter than the leaves. Fertile flowers solitary. 



3. PYRULARIA, Michx. Oil-Nut. 



Flowers dioecious. Calyx 5-cleft, the lobes recurved. Disk composed of 5 

 roundish glands. Stamens of the sterile flowers short, alternate with the 

 glands. Fertile flower pear-shaped. Style short and thick : stigma depressed- 

 capitate. Drupe pear-shaped, fleshy. Albumen oily. — A low branching 

 shrub, with alternate deciduous leaves, and small greenish flowers in a short 

 terminal spike. 



1. P. oleifera, Gray. — Shady banks on the mountains, Georgia, and 

 northward. May. — Leaves petioled, obovate oblong, acute at each end, pu- 

 bescent, 3' -4' long. Drupe 1' long. 



4. BUCKLEYA, Torr. 



Flowers dioecious. Calyx club-shaped, the limb double, each 4-parted ; the 

 exterior lobes linear, leafy, somewhat persistent, the interior triangular-ovate, 



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